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ST-72 Controller User Manual - RC Systems Wireless Gas Detection

1. 1 Date 10 26 H Zone 2 g 38 Zone 3 Name Channel Count 64 Zone 4 Cal Purge Time min ao Zone 5 Name Warmup Time min 6 Zone Screen Enabled Zone 7 Name Block Negative Zone 8 Name agaga gag yg 5 5 w Figure 8 9 118 ST 72 Controller Users Manual Revision b 2 0 8 5 6 CONFIGURATION UPLOAD DOWNLOAD The configuration upload download page allows transferring system configuration to or from the unit via the webpage When the download link is clicked the unit saves the current configuration into a file and transfers it to the user It should be saved as a cfg file When uploading configuration select a cfg file and press upload Note that the maximum length of a filename for an uploaded file is 28 characters After a successful upload the unit will restart and the webpage will attempt to refresh after 30 seconds SYSTEM ZONE CHANNEL EVENT LOG CONFIGURE Logged In This page allows uploading or downloading the system configuration to a file It can be used to backup restore or copy configuration to another unit During upload all configuration will be overwritten except the host name and system name Upload System Configuration Choose File No file chosen Upload Figure 8 10 119 ST 72 Controller Users Manual Revision b 2 0 SECTION 9 TROUBLESHOOTING 9 1 CHANNEL ERRORS The following errors indicate potenti
2. Network Monitor Driver Protocol Intemet Protocol TCP IP Uninstall T Transmission Control Protocol Intemet Protocol The default wide area network protocol that provides communication across diverse interconnected networks Show icon in notification area when connected Notify me when this connection has limited or no connectivity Figure 10 7 You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings Obtain address automatically r Use the following address IP address 192 168 0 1 Subnet mask 255 255 255 0 Obtain DNS server address automatically r Use the following DNS server addresses Preferred DNS server 4 Altemate DNS server Figure 10 8 127 Revision b 2 0 Select Internet Protocol TCP IP and then click the properties button ST 72 Controller Users Manual Revision b 2 0 Select Use the following IP Address The IP address should be chosen different than the one set on the ST 72 For the network created in the ST 72 Static IP configuration only the last digit can be changed A typical choice is 192 168 0 1 The Subnet mask is set to 255 255 255 0 If a gateway is present its address should be set otherwise it can be left blank Click OK
3. SYSTEMS INSTRUCTION MANUAL R C SYSTEMS CO INC MODEL ST 72 16 32 48 or 64 CHANNEL CONTROLLER Revision b 2 0 Firmware 2 0 amp later A Warning Read amp understand contents of this manual prior to operation Failure to do so could result in serious injury or death PHONE 409 986 9800 FAX 409 986 9880 8621 HWY 6 HITCHCOCK TX 77563 Website http www rcsystemsco com SECTION 1 GENERAL 1 3 1 MAIN DATA SCREEN 1 3 2 24 HOUR TREND SCREEN 1 3 8 BAR GRAPHS SCREEN 1 3 4 COMBINATION SCREEN 1 3 5 ZONE SCREEN 1 4 SPECIFICATIONS sa cura ia Econ rl de rane 1 1 DC POWER SUPPLY REQUIREMENTS 4 1 1 600 WATT AC 24VDC POWER SUPPLY 4 1 2 150WATT AC 24VDC POWER SUPPLY 41 3 RELAYS 2 AMBIENT TEMPERATURE RANGE 3 4 5 1 1 1 4 3 HUMIDITY RANGE 4 ALTITUDE 4 5 HOUSINGS 1 4 6 NON INTRUSIVE MAGNETIC KEYPAD 1 4 7 APPROVALS k k k SECTION 2 BASIC OPERATION 2 1 MAIN MENU CONFIGURATION eene 2 2 CHANGING MENU VARIABLES USING THE KEYPAD 2 3 ALARM OUTPUTS 5 atria Ie eR L1 GERA I uc G E 2 3 4 STANDARD RELAY 1 2 AND 3 2 3 1 1 A1 A2 amp VOTES REQUIRED 2 3 1 2 ACKNOWLEDGE 2 3 1 3 FAILSAFE 2 3 1 4 ZONE 1 8 2 3 1 5 OVERRIDE CHANNELS 1 8 2 3 2 HORN PIEZO 2
4. Off Delay minutes Horn Drive Alarm 2 Setpoint Latching Trip On On Delay seconds Off Delay minutes Horn Drive Color Alarm 3 Enabled Setpoint Latching CHANNEL EVENT LOG TL gt CEE Ii T C o lt o o o CONFIGURE Configure Channel Enabled Tag Engineering Units Zero Span Decimal Places Zone Deadband Data From Source Min Raw Max Raw Filter Sample Count Local Cal Fault Fault Level ST 72 Controller Users Manual Revision b 2 0 Logged In Measurement Name Analog Input Figure 8 6 8 5 3 COPY CHANNELS SYSTEM ZONE CHANNEL EVENT LOG CONFIGURE Logged In Copy from channel to channels Figure 8 7 117 ST 72 Controller Users Manual Revision b 2 0 8 5 4 PROGRAMMABLE RELAYS SYSTEM ZONE CHANNEL EVENT LOG CONFIGURE Logged In Programmable Relay 1 x 1 Votes 4 Channel o Override 1 Alarm 1 x Channel o Alarm Channel o Alarm Channel o A2 Votes A3 Votes Override 2 Acknowledge Failsafe Override 3 Zone 1 Zone 2 Override 4 Zone 3 Alarm Zone 4 Channel Override 5 Zone 5 Alarm Zone 6 Channel Override 5 Zone 7 Alarm Zone 8 Channel o Override 7 Channel o Alarm Override 8 Figure 8 8 8 5 5 SYSTEM CONFIGURATION SYSTEM ZONE CHANNEL EVENT LOG CONFIGURE Logged In System Config Zone Names
5. stotus CI PGM 5 tai GIG ot amp 24 2 J3 amp are interchangeable 2 connectors GIG d MD S used to add other option PCB assemblies to BI 5 the controller Jo je 01 17 09 25 un 33 49 41 57 Q 035 z 2 0 f si 8 v 02 18 10 26 gy 42 34 59 42 58 S 036 SE do amp HLF 2 c S Jc 03 19 1 87 5 35 5 43 59 9 go 137 z Jo K de 04 20 12 28 MN a S s 44 60 gt 2 2 138 SE LEDs indicate relay state L 5 9 ON Energized n e Fl05 o 13 09 e 327 343 45 61 S 5 039 G z 6 4 do LR Ki p 06 22 14730 38 54 46 62 9 go S K7 KIS jo 133 S sj 07 23 15 31 L o 39 55 47 63 qo m SE K8 Kl6 42 S Jc 16 38 S 48 640 A Dae 5 ST 72 Programmable Alarm Relay Board Re 0010 1268 ASSY 10 0350 Figure 3 6 61 TB3 amp TB4 24VDC inputs are tied together making daisy chaining the options easier ST 72 Controller Users Manual Revision b 2 0 3 2 7 OPTIONAL 24VDC 600 WATT POWER SUPPLY The ST 72 Controller may be powered from 10 30VDC However many applications require 24VDC power for the moni
6. 1 3 6 16 Integer 89 ST 72 Controller Users Manual Revision b 2 0 Max Raw 1 64 44497 44560 6 16 Integer Remote ID 1 64 44561 44624 6 16 0 247 Interface 1 64 44625 44688 6 16 1 0 2 1 COM3 2 3 4 Filter Count 1 64 44689 44752 6 16 1 40 Local Cal 1 64 44753 44816 6 16 No 0 Yes 1 Board Default 2 Byte Order 1 64 44881 44944 6 16 ABCD lt 0 CDAB 1 BADC 2 DCBA 3 Alias 1 64 44945 45072 16 Modbus alias 0 65535 Address 1 64 45073 45200 16 Target address for ModbusTCP TCP IP Port 1 64 45201 45328 6 16 TCP IP port for ModbusTCP 0 65535 Linearize Map Point 1 1 64 45329 45584 16 2x 32bit IEEE Floats Input and Output Point 2 1 64 45585 45840 16 2x 32bit IEEE Floats Input and Output Point 3 1 64 45841 46096 16 2x 32bit IEEE Floats Input and Output Point 4 1 64 46097 46352 16 2x 32bit IEEE Floats Input and Output Point 5 1 64 46353 46608 16 2x 32bit IEEE Floats Input and Output Point 6 1 64 46609 46864 16 2x 32bit IEEE Floats Input and Output Point 7 1 64 46865 47120 16 2x 32bit IEEE Floats Input and Output 90 ST 72 Controller Users Manual Revision b 2 0 Point 8 1 64 47121 47376 4 16 2x 32bit IEEE Floats Input and Output Point 9 1 64 47377 47632 4 16 2x 32bit IEEE Floats Input and O
7. Hazardous Classified Locations ANSI ISA 12 12 01 2010 Non Incendive Electrical Equipment for Use in Class and Il Division 2 and Class Divisions 1 and 2 Hazardous Classified Locations CSA File 219995 and may be seen at CSA International org 11 ST 72 Controller Users Manual Revision b 2 0 SECTION 2 BASIC OPERATION The ST 72 offers 5 graphic screens for viewing monitored data and several Set Up menu screens for operator interface to configuration menus The Main Data screen allows viewing of all active channels simultaneously The Trend screen displays a 24 hour trend one channel at a time The Combination screen displays a bar graph large engineering units and a 30 minute trend one channel at a time The Zone screen displays the eight possible zones simultaneously Input channels may be displayed in sequence from the Trend and Combination screens with switches between the 5 graphic data screens When ST 72 power is applied the graphic LCD starts in the Main Data screen 2 1 MAIN MENU CONFIGURATION Variables inside Main menu tree allow optimum ST 72 configuration for a wide range of demanding multi point monitoring applications The main menu is entered by pressing Menu Edit Channel configuration menus are entered by pressing from any channel s data uM NN screens and scrolling to the desired menu using Pressing again enters the selected menu s tree of va
8. Ll L1 pCTLEL 060 ee mes ch2 7 77 15 6 02 chas L 101 Jj Fault ch27 MBB Chaa L g KRE chib t t 7 12 reemH25 Jg Figure 1 4 Bar Graphs Screen ST 72 Controller Users Manual Revision b 2 0 1 3 4 COMBINATION SCREEN The ST 72 Combination screen shown in Figure 1 5 offers a view of a single channel but displays the data as a 30 minute trend bar graph and large engineering units The bar graph and the background color changes and flashes indicating alarm condition Once the alarm is acknowledged they stop flashing Colored lines across the bar graph and 30 minute trend indicate alarm levels The alarm level lines have triangles on the right end that indicate high and low trip for each alarm level A triangle that points up represents a high trip alarm and one that points down represents a lowtrip alarm The Combination Screen is also useful for testing inputs for stability since MAX MIN amp AVERAGE values reset each time this screen is selected For example to test stability over a one hour period for an input begin timing as soon as the channel is selected One hour later record the MAX MIN amp AVERAGE values The visible trend is only 30 minutes but the difference between MAX amp MIN indicates peak to peak excursions over the one hour period and AVERAGE is the average for the hour Longer or shorter tests may also be run A blue ve
9. 1 Zone 7 N A 40191 40191 N A 6 16 Use zone 7 channels for Enable voting No 0 Yes 1 Zone 8 N A 40192 40192 N A 6 16 Use zone 8 channels for Enable voting No 0 Yes 1 Override 1 N A 40193 40193 N A 6 16 Create an override Channel channel 0 is disabled 0 64 Override 1 N A 40194 40194 N A 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 2 N A 40195 40195 6 16 Create an override Channel channel 0 is disabled 0 64 85 ST 72 Controller Users Manual Revision b 2 0 Override 2 N A 40196 40196 N A 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 2 Override 3 N A 40197 40197 N A 6 16 Create an override Channel channel 0 is disabled 0 64 Override 3 N A 40198 40198 N A 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 2 Override 4 N A 40199 40199 N A 6 16 Create an override Channel channel 0 is disabled 0 64 Override 4 N A 40200 40200 N A 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 2 Override 5 N A 40201 40201 N A 6 16 Create an override Channel channel 0 is disabled 0 64 Override 5 N A 40202 40202 N A 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 6 N A 40203 40203 N A 6 16 Cre
10. If the channel is not configured to receive data from a communication port it is shown in grey Communication port 1 is shown in cyan Ch 1 11 communication port 2 in orange Ch 12 20 communication port 3 in magenta Ch 21 31 communication port 4 in blue Ch 33 41 and the Ethernet port in yellow Ch 42 47 The number that is shown after the channel number represents the number of times a query was sent out and either a corrupt message was received or no message was received at all When trouble shooting a specific channel or communication port a simple test can be ran by resetting this number see section 2 5 4 2 and then recording the number of communication failures received after a known amount of time has passes Make a change to the system and then repeat the test for the same amount of time Compare the results to see if the change has helped the problem Comm Port1 Cyan Comm Port4 Blue Comm Port2 Orange Ethernet Port Yellow Comm Port3 Magenta Channel Off Grey Figure 2 27 42 ST 72 Controller Users Manual Revision b 2 0 2 5 4 2 CLEAR FAILURE COUNTS Selecting this option clears the communication failure counter so test can be run or old data can be cleared after communication ports are configured 2 6 SECURITY MENU A password entered in the SECURITY menu allows locking all menus Viewing menus is not denied but attempts to edit variables flashes the Locked message on the LCD Alarm User Ch
11. Once in the CHANNEL CONFIGURATION entry menu show on left in Figure 2 13 use to scroll up or down to select the channel that is to be configured Once the Edit correct channel is selected brings you to that channel s configuration menu shown on right below These items affect only the specific channel selected System specific variables are accessed through the MAIN MENU shown in Figure 2 1 u IET Measurment Ch 37 E 1 PCTLEL arm 2 Hlarm 3 Fault Hlarm Data From Measurment Ch 39 Linearize amp PCTLEL Configure Figure 2 13 25 ST 72 Controller Users Manual Revision b 2 0 241 CHANNEL CONFIGURATION MENUS Once the appropriate channel has been selected its configuration menu allows the following parameters to be accessed Alarm 1 Alarm 2 Alarm 3 Fault Alarm Data From Linearize and Configure SetPoint Latching Trir On On Delay Csec3 Off Delay amp min Horn Drive Latching Trir On High On Delay Csec3 D Off Delay tmin D Horn Drive Yes Color SetPoint Latching Trie On On Delay isec Off Delay tmin Horn Drive Color Enabled Alarm 2 Alarm 3 Fault Alarm Data From Linearize Conf igure Min Raw 506 4668 Filter Samele Count 18 Local Cal Board Default Marker Menu Input Dut rut 18 8 10 99 L 20 00 209 099 Engineerin
12. a WwW l gt amp 0123456789 lt gt places a cursor over the item and j scrolls through each allowed entry move the cursor within a field When the Edit field is complete clears the cursor and loads it into non volatile memory where it is Next retained indefinitely and J Will cancel any changes that have been made the active Next field With no cursor present closes open menus in reverse order and returns the LCD to the most recent data display 2 3 ALARM OUTPUTS The menu item identified as ALARM OUTPUTS is accesses through the Main Menu Selecting it allows users to configure the different types of outputs that can be connected to the ST 72 controller through the menu shown in Figure 2 8 The variables under this menu are STANDARD RELAY 1 STANDARD RELAY 2 STANDARD RELAY 3 HORN PIEZO DISCRETE RELAY and PROGRAMMABLE RELAY BOARD 20 ST 72 Controller Users Manual Revision b 2 0 Al otes FEeauired Hz Wotes Reauired B AS Wotes Reauired Acknowledge Failsafe Ho fone 1 Wes Override 1 Channel G Standard Relay and Programmable Relay Menus are Identical Standard Relay 1 Alarm 1 Standard Relay 2 Standard Relay 3 Horn Pieza Alarm 2 Alarm 3 Un Acknowledge Yes Failsafe Piezo Alarm Discrete Felay Programmable Relau Brd Al Failsafe AY Failsafe AS Failsafe gt a Programmable Pro
13. zone press while in the Zone screen This will cause blue box to outline one of the zones Use to select the correct zone and press again Main Data screen will appear with all the channels that are included in the selected zone displayed in color and the channels that are not in the selected zone grayed out Any channel needed to be included or excluded from the selected zone can be selected and configured from this screen Figure 1 6 Zone Screen ST 72 Controller Users Manual Revision b 2 0 1 4 SPECIFICATIONS 141 DC POWER SUPPLY REQUIREMENTS Standard ST 72 power requirements are 10 30VDC 12 watts applied to terminals 1 amp 3 and 5 amp 7 of on the standard 1 0 Board see section 3 0 Optional features increase power consumption as described below e Discrete Relay Board option add 6 5 watts per board assumes all 16 relays are energized e Programmable Relay Board option add 6 5 watts per board assumes all 16 relays are energized e Analog Input Board option add 1 2 watts per board plus transmitter power consumption 4 20mA Output Board option add 2 5 watts per board e Bridge Sensor Input Board option add 3 watts max per board with eight 10 0192 modules installed power consumption of the sensors not included e Auxiliary Standard Relay Board option add 2 5 watts e Isolated Serial Expansion Board add 1 5 watts TB4terminals 2 4
14. 1 Zone 2 Tank Farm Zone 3 West Gate Zone 4 Switchgear Room Zone 5 Control Room Zone 6 Main Process Zone T Zone Zone 8 zone 8 Configure Zone Hames gt 50 Card Ka 1 4 View Event Log 3 Logger Enabled Clear Event Log 3 Save Config File View Sensor Life Load Config File View Log File Trend 67 13 2618 67 13 2618 67 12 2618 67 12 2618 0770972010 Conn Error 66 12 2618 Cold Boot 66 61 2618 65 35 85 24 2018 Fault in 52 arn A Measurement Oxygen Measurement Oxygen Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement rem 25 Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement __ EE SEES Measurement Measurement Measurement Oxygen Measurement Measurement Measurement Oxygen Measurement Prem 25 Oxygen Measurement Measurement Measurement Measurement Measurement Measurement Oxygen Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Figure 2 4 16 See Figure 2 1 Discrete Relays Programmable Relays Analog Inruts Analog outputs Pieza LEDs Serial Ports 1 0 Board Config bob bob Standard
15. 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 2 Override 8 N A 40167 40167 N A 3 6 16 Create an override Channel channel 0 is disabled O 64 Override 8 N A 40168 40168 N A 3 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 5 37 STANDARD RELAY 3 Type Channel First Last Block Read Write Notes Size FC FC 1 Votes N A 40180 40180 3 6 16 Alarm 1 channels required 0 64 A2 Votes N A 40181 40181 3 6 16 Alarm 2 channels required 0 64 84 ST 72 Controller Users Manual Revision b 2 0 A3 Votes N A 40182 40182 N A 6 16 Alarm 3 channels required 0 64 Acknowledge N A 40183 40183 6 16 Relay is acknowledgeable No 0 1 Failsafe N A 40184 40184 N A 6 16 Relay is failsafe No 0 Yes 1 Zone 1 N A 40185 40185 6 16 Use zone 1 channels for Enable voting No 0 Yes 1 Zone 2 N A 40186 40186 N A 6 16 Use zone 2 channels for Enable voting No 0 Yes 1 Zone 3 N A 40187 40187 N A 6 16 Use zone 3 channels for Enable voting No 0 Yes 1 Zone 4 N A 40188 40188 N A 6 16 Use zone 4 channels for Enable voting No 0 Yes 1 Zone 5 N A 40189 40189 N A 6 16 Use zone 5 channels for Enable voting No 0 Yes 1 Zone 6 N A 40190 40190 N A 6 16 Use zone 6 channels for Enable voting No 0 Yes
16. 32 sis J3 amp 14 are interchangeable I2C connectors used to add Ch 33 48 D6 Ch 49 64 13 1 UJ T 10 26 42 58 11 27 43 59 R9 R10 RII R12 9X407 2X4 R4 R3 R2 RI 12 28 44 60 IH 9X407 13 29 45 61 R6 R5 R7 R8 R16 RIS R14 RevE 0010 1260 ASSY 10 0344 ST 72 Analog Input Board option assemblies to the ST 72 TB3 amp TB4 24VDC inputs are tied together making daisy chaining the options easier and is the bulk power for transmitter EXC is wired internally to channel EXC s and EXC COM to channel LO s RI R16 are 150 ohm terminating resistors for 4 20ma inputs Transmitter Figure 3 2 55 LO EN 3 Wire 4 20 mA ST 72 Controller Users Manual Revision b 2 0 3 2 2 OPTIONAL DISCRETE RELAY BOARD 10 0345 An optional Discrete Relay Board shown in Figure 3 3 adds sixteen 5 amp resistive form C relays per sixteen channel alarm board Each BOARD may be configured via Diagnostics Menu in the ST 72 for ALARM 1 ALARM 2 ALARM 3 or FAULT for channels 1 16 17 32 33 48 or 49 64 Each relay has a LED associated with it indicating whether the relay is energized An illuminated LED indicates energized Alarm groups or zones may be created by connecting adjacent channels toget
17. 32006 32006 4 N A System boot timestamp veer 0000 9999 Boot Date N A 32007 32007 N A 4 N A System boot timestamp Mon 0 12 Boot Date 32008 32008 4 System boot timestamp Day 0 31 Boot Time N A 32009 32009 N A 4 N A System boot timestamp Hour 0 23 Boot Time N A 32010 32010 N A 4 N A System boot timestamp Min 0 59 Boot Time N A 32011 32011 N A 4 N A System boot timestamp Sec 0 59 74 ST 72 Controller Users Manual Revision b 2 0 Standard N A 32020 32020 N A N A Off 0 On 1 doesn t Relay 1 take into account failsafe State Standard N A 32021 32021 N A N A Off 0 On 1 doesn t Relay 2 take into account failsafe State Standard N A 32022 32022 N A N A Off 0 On 1 doesn t Relay 3 take into account failsafe State Fault Relay N A 32023 32023 N A N A Off 0 On 1 doesn t State take into account failsafe Horn Relay N A 32024 32024 N A N A Off 0 On 1 doesn t State take into account failsafe Warmup N A 32025 32025 N A N A Not in warmup 0 In warmup 1 Standard N A 32026 32020 N A N A False 0 True 1 Relay 1 Indicates whether Flashing standard relay 1 has been acknowledged Standard N A 32027 32027 N A N A False 0 True 1 Relay 2 Indicates whether Flashing standard relay 2 has been acknowledged Standard N A 32028 3
18. 6 amp 8 of the standard I O Board provide a maximum of 500mA fused output power for powering of auxiliary external devices such as relays lamps or transmitters Power consumed from these terminals should be considered when calculating system power consumption 1 4 1 1 600 WATT 24VDC POWER SUPPLY 110 120 VAC 8 5A max 220 240VAC 5A max Universal AC input automatically selects AC input range The 600 watt power supply Figure 3 7 is for powering the ST 72 and up to 64 detectors This power supply can be paralleled with up to three additional 600 watt power supplies providing up to 2400 watts for applications with large power requirements It also features a built in DC OK signal and remote on off control 1 4 1 2 150 WATT 24VDC POWER SUPPLY 110 120 VAC 3 2A max 220 240VAC 1 6A max A slide switch on the front of the power supply selects AC input range The 10 0172 150 watt power supply Figure 3 7 is for powering the ST 72 and up to 64 detectors ST 72 Controller Users Manual Revision b 2 0 1 4 1 3 RELAYS The ST 72 comes standard with five Standard SPDT 5A relays consisting of one dedicated HORN and one dedicated FAULT relay plus 3 programmable alarm relays Programmable relays provide voting logic for ALARM 1 ALARM 2 and ALARM 3 Discrete relays and additional Programmable relays are optional All relays are rated at 5 Amp for 28 VDC and 250 VAC RESISTIVE loads AN IMPORTANT Appropriate diode DC
19. 6615668 Calibrate Calibrate Calibrate Calibrate Calibrate InrFut Input InrFut InrFut ob ob ST 72 Controller Users Manual Revision b 2 0 See Figure 2 5 Piezo Beer Test Press Hext To Exit BEEP LED Blink Test Press Hext To Exit Discrete Relays Programmable Relays See Figure 2 1 1 Inputs Analog outputs Fiezo LEDs Serial Ports Board Config s o Bobo bob ob Rok Connect COMI to COM2 and COMS to COM4 2 or 4 Wire Connect TAA gt RAA and TAB gt RAB RRR aee r Analog Input Chi Chi Disc Relay Alarm 1 Chi Chi Disc Relay Alarm 2 Chi Chi Disc Relay 5 Chi Enie Disc Relay Fault Alarm Chi Chis Analog Qut Chi Chl Programmable elas Figure 2 7 19 ST 72 Controller Users Manual Revision b 2 0 2 2 CHANGING MENU VARIABLES USING THE KEYPAD A Vv Upon entering a menu a blue highlight bar controlled by indicates the selected variable Some are simple YES NO or ON OFF entries toggled by pressing Edit J Others such as Measurement Name and Eunits fields may have many ASCII character possibilities Allowed ASCII characters are as follows ABCDEFGHIJKLMNOPQRSTUVWXYZ M abcdefghijklmnopqrstuvwxyz blank space Edit
20. 7 2 1 2 LOW BATTERY Indicates the ST 48 RFs integral 3 6V lithium D cell part 10 0293 has dropped to below 3 3V and should be replaced very soon LaBat t is indicated on the ST 72 s LCD readout and the background color turns red Relays are not energized by low battery conditions The actual battery voltage of each ST 48 RF may be seen in the INPUT DATA FROM screen described above in section 7 2 7 2 1 3 CALIBRATIONS Calibrations performed at the ST 48 RF force a transmission of 75 counts negative 15 6296 which be indicated on the ST 72 s LCD readout by Iri 1 using the Marker Menu described in section 2 4 4 5 Alarms are inhibited while the Marker Value of 15 62 is activated 7 3 WIRELESS MODBUS SLAVE MODE Wireless Modbus allows one or many ST 72s to function as wireless Modbus slaves by connecting their RS 485 Modbus slave ports to a radio modem These wireless networks require a Modbus master such as a DCS HMI or another ST 72 64 Channel Controller also equipped with a radio modem As in all R C Systems wireless networks one transceiver must be designated as Server and all others as Clients No special configuration is required by the master or slave since this is a standard Modbus RTU network However radios must have the same Hop Channel and System ID settings to communicate The entire ST 72 Modbus database including registers and supported Function Codes is documented in section 5 3 7 4 WIRELESS
21. 72 logs the last 2000 events first in first out in non volatile memory so a SD card is NOT necessary to view the event log The events are time and date stamped and if id channel specific the number is shown in the right column Use to scroll through the events The following events are logged Alarm 1 In Alarm 1 Out Alarm 2 In Alarm 2 Out Alarm 3 In Alarm 3 Out Fault In Fault Out Comm Error Config Error Error Cal In Cal Out System Boot Cold Boot Alarm Reset Remote Alarm Reset Alarm Refresh Marker Configuration Change and Event Log Cleared Time Date Event Ch 09 42 07 15 2019 Alarm 1 out L rM ked Vers lor Conf igure Zone Hames Mimic Mode 50 Card Uieu Event Log Clear Event Log View Sensor Life 9 125 0713 2010 Hlarm 1 in 2143 uy2l2228018 Alarm 1 out 21 38 7 12 2818 Alarm 2 in k bob ob k L 17155 47 89 2618 Comm Error 11 15 86712 72618 Cold Boot 9 58 86 61 2618 Cal 5 155 85 24 2618 Fault in 32 Figure 2 35 ST 72 Controller Users Manual Revision b 2 0 277 CLEAR EVENT LOG After initial setup and testing of the controller CLEAR EVENT LOG is used to manually clear all events in the log file If the event log is not cleared the older events will be pushed out as new ones occur Version Conf igure Zone Hames Mimic Mode SD Card Wiew Event Log Clear Event L
22. Clients This single Server transmits a beacon which all of the network s Clients synchronize to ONLY ONE SERVER PER NETWORK 7 2 WIRELESS MONITOR MODE Wireless Monitor mode is exclusively for wireless communication to our ST 48 RF wireless sensor transmitters please visit ST 48 RF In Monitor mode the radio connects to the ST 72 s communication port and receives input data from up to 64 ST 48 RF sensor transmitters Wired and wireless inputs may be mixed between the ST 72 s 64 channels so it is possible to also accept wired signals from analog input option PCBs described in section 3 2 Use the WIRELESS MONITOR setting shown in Figure 7 3 ONLY FOR COMMUNICATION TO ST 48 RF WIRELESS TRANSCEIVERS See section 7 4 for setting up wireless networks with other Modbus slave devices ST 48 RFs transmit 200 counts for 0 and 1000 counts for 100 full scale readings so Input Min Max menu values should be 200 amp 1000 The Remote ID menu entry must match the Remote Id address setting in the ST 48 RF providing data to this ST 72 channel Input Req is typically set to VALUE but also allows a Battery Voltage entry into this field Entering Battery Voltage causes the channel to display and alarm from battery voltage levels at this ST 48 RF Voltage level of the 3 6 volt lithium battery in this ST A8 RF is also displayed on this screen 104 ST 72 Controller Users Manual Revision b 2 0 Marker Enabled Min Faw Marker Max Faw Mark as Femote
23. Full 19 Rack mount one ST 72 o Three options 1 0 o Use aluminum 19 expansion plate adds Four options RCS Part 0010 0321 e 72 03 Full 19 Rack mount two ST 72s o Two options 2 1 0 o Use aluminum 19 expansion plate adds Four options RCS Part 0010 0321 e 72 04 NEMA Large fiberglass enclosure Six options 1 0 o Or two single dual radio options five regular options I O o Use NEMA expansion plate adds Five options RCS Part 0010 1269 72 05 NEMA Stainless steel enclosure Six options I O o Or two single dual radio options five regular options I O o Use NEMA 4X expansion plate adds Five options RCS Part 0010 1269 e 72 06 NEMA 7 Div 1 enclosure o Three options 1 0 o Use NEMA 7 expansion plate adds Two options RCS Part 0010 1284 e 72 07 NEMA 4X compact fiberglass enclosure o One single dual radio option I O o Use NEMA 4X compact expansion plate adds One option RCS Part 0010 1323 100 ST 72 Controller Users Manual Revision b 2 0 6 875 6 722 125 holes 4places MAIN I O amp OPTION PCB FOOTPRINT 152 0 0 F7 L S o 38 Figure 6 6 Option Board Dimensions and Mounting Footprint 101 ST 72 Controller Users Manual Revision b 2 0 SECTION7 WIRELESS OPTION ST 72 s communication ports may be connected to a FHSS Frequency Hopping Spread Spectrum wireless radio modem shown in Figure7 1 There are two different frequency opt
24. ID Sensor Life Interface Marker Menu Figure 7 3 7 21 RADIO STATUS ALARMS WIRELESS MONITOR MODE When an ST 72 channel s INPUT DATA FROM menu is set for WIRELESS MONITOR in addition to processing the ST 48 RF s 10 bit counts value it also receives status bits indicating Communications Error Low Battery and Calibration Mina Hua Z PmtCal LoBatt L ComEFrF conditions e sa LE E UL ELI ESAE Lp observe this arrow to monitor pe 1 te ise T Mae after each transmission typically M 1 4 5 minutes with Comm Error after A aminuts Figure 7 4 7 2 1 1 COMMUNICATIONS ERROR Each channel s 30 minute trend screen Figure 7 4 is very useful for diagnosing wireless problems since it indicates amount of time since the most recent transmission was received The arrow on the bottom of the trend screen resets to far right each time a transmission is received by that channel When not in alarm ST 48 RFs transmit every 5 minutes so the arrow should never progress past the 5 minute interval The ST 72 105 ST 72 Controller Users Manual Revision b 2 0 activates the channel s FAULT alarm and indicates CamErr if no transmission has been received in 18 consecutive minutes This interval can be adjusted in the communication settings menu for transmitters that are configured to communicate more often See section 2 5 1 12
25. ST 72 is configured for DHCP it will automatically select an IP address on the subnet 169 254 x x This subnet uses a netmask of 255 255 0 0 and is compatible with the default IP addresses chosen by Microsoft Windows If connecting to a new ST 72 with firmware version 2 12 or later no configuration changes will be needed to connect a PC Simply connect the PC with a patch cable Then view the ST 72 Communication Settings gt Network Settings menu The IP address field will show a value which can be entered into the web browser to view the webpage 122 ST 72 Controller Users Manual Revision b 2 0 The recommended option for a permanent network is to setup a static IP on the ST 72 and any other devices or computers on the network See section 10 4 10 2 CONNECTING THE ST 72 TO AN EXISTING LAN PC 192 168 0 101 51 72 J f 192 168 0 100 PC 192 168 0 102 Switch Server 192 168 0 1 PC 192 168 0 103 Figure 10 3 A typical network will have a DHCP server a switch sometimes combined and several devices connected to that switch An ST 72 can normally be added to such a network simply by connecting the Ethernet port to the switch using an Ethernet patch cable The ST 72 s default settings will allow it obtain an IP address from the DHCP server Once this happens the ST 72 can be accessed from computers and other devices on the network Computers access the ST 72 by hostname or by IP address If more
26. The Function parameter allows the communication ports to be set as Modbus Master Modbus Slave Wireless Monitor Redundant Port or Disabled 2 5 1 1 1 Modbus Master Master mode allows the communication port to poll any device using the Modbus RTU protocol This setting is also utilized for Wireless Modbus Master See section 7 4 2 5 1 1 2 Modbus Slave Slave mode allows the communication port to be polled by any Modbus Master device using the Modbus RTU protocol This setting is also utilized for Wireless Modbus Slave See section 7 3 2 5 1 1 Wireless Monitor This mode is exclusively for wireless communication to our ST 48 RF wireless sensor transmitters please visit ST 48 RF See section 7 2 2 5 1 1 4 Redundant Port This setting allows the user to create a redundant port which uses the settings from another port that is already configured Redundant mode works with ports configured as Modbus Master When configured as a redundant port the Primary port communicates until it gets a communication error The ST 72 then switches to the redundant port and continues to poll the slave nodes When communication has switched to the redundant port the ST 72 trips the Fault relay beeps and displays a warning telling the user there has been a communication error The user is able to Ignore the warning for 12 hours or Test the Primary port Ignoring the problem gives technicians time to trouble shoot and fix the problem If the problem is not
27. Trend or Combination Screens will skip the Main Menu and bring you directly to the Channel Configuration Menu for the channel that is selected 1 3 1 MAIN DATA SCREEN The ST 72 Main Data screen shown below Figure1 1 displays all active channels at once It is capable of displaying 16 32 48 or 64 channels depending on the controller s configuration This screen displays measurement name and uses a bar graph and colored cells that flash with new alarms to indicate alarm conditions Once the alarms have been acknowledged by an operator the cell will remain the appropriate color but will stop flashing showing the alarm has been acknowledged Utilizing the Display ST 72 Controller Users Manual Revision b 2 0 Alarm feature in the Systems Configuration menu allows new alarms to always force the LCD to the Main Data screen This is useful for applications requiring channels with new alarms to be displayed While in the Main Data screen use dba E to highlight any cell and press to go directly to that channel s configuration menu or press twice to scroll through that channel s individual data screens The exploded channel 38 in the example below Figure 1 2 indicates it is the channel selected and unused channels are grayed out when turned off Figure 1 2 Main Data Screen 64 Ch Mode ST 72 Controller Users Manual Revision b 2 0 1 3 2 24 HOUR TREND SCREEN The ST 72 24 Hour Trend screen shown in Figure 1 3
28. and then OK again to apply these changes 10 4 3 DYNAMIC IP CONFIGURATION The ST 72 defaults to use a dynamic IP address This setting may be used if a DHCP server is available on the network It is recommended for ST 72s unless there are multiple ST 72s that need to communicate with each other DHCP Enabled 72 1 Address 197 165 6168 Hetmask 295 295 255 0 Gateway 192 168 6 1 Figure 10 9 To enable dynamic IP set DHCP to Yes in the network settings menu Power must be cycled before this change takes effect Make sure to exit the menu so the settings are saved before cycling power A PC will normally have DHCP enabled by default If not follow the steps in section 10 4 2 except choose Obtain IP address automatically in the last step 10 5 TESTING CONNECTIONS To verify that an ST 72 is accessible bring up a command prompt In windows this can be found by going to start gt run Then type cmd and press ok From the command prompt type ping and then the IP address of the unit Verify that 4 reply lines are printed 128 ST 72 Controller Users Manual Revision b 2 0 Ce spime 192 168 0 2 Pinging 192 168 0 2 wita 32 bytes datas Reply from 192 168 0 2 bytes 32 time lt lims TTL 128 Reply from 192 168 0 2 bytes 32 time lt lims TTL 128 Reply from 192 168 0 2 bytes 32 time lt lims TTL 128 Reply from 192 168 0 2 bytes 32 time lt lims TT
29. configured as Modbus master or slave an optional RS 485 Isolated piggyback Board part 10 0368 may be added to the I O Board via ribbon cable J5 This option adds two additional isolated RS 485 ports for a total of four These two additional serial ports can also be configured for either Master or Slave Section 5 0 defines register locations of data available via the ST 72 slave port 5 1 MODBUS TCP In addition to the RS 485 ports the 5 72 supports both master and slave ModbusTCP ModbusTCP is always enabled through the Ethernet port See section 2 5 for Modbus configuration options The ModbusTCP slave is always active on port 502 The unit can be polled by its IP Address or hostname When ModbusTCP slave is used the slave ID field of the message is ignored Channels be configured to poll using the ST 72 s ModbusTCP master interface Devices are polled by IP Address not hostname 5 2 MODBUS SLAVE WRITES The Modbus slave ports allow function code 5 write coil as well as function code 6 and 16 write holding registers These function codes can be used to write configuration parameters to the ST 72 By default all Modbus writes are disabled except the unlock parameter 40099 The Modbus lock code can be written to register 40099 to enable writes to other registers The unit will be unlocked for 10 minutes after the last write occurs After the 10 minute timeout the unit will automatically save any parameters that have been wr
30. determined by the A D converter resolution of the channel s input For example if the input is a 10 bit Modbus device with zero at 200 counts and 100 at 1000 counts then this menu s MIN should be set at 200 and MAX at 1000 If communicating with the ST 72 s optional 12 bit Analog Input PCB the MIN should be 800 and the MAX 4000 If the input device s resolution is unknown the live counts variable on the Combination screen displays actual raw A D counts currently being read by this channel This reading may be used to test the input device for what A D counts are provided for zero and 29 ST 72 Controller Users Manual Revision b 2 0 100 if these values are unknown Forcing the input device to read zero should provide the A D counts value needed to make this channel s display also read zero Likewise forcing the input device to read 100 should provide the A D counts value needed to make the ST 72 channel s display also read 100 Note Each Data From item has a matching default Min Max counts value of 20 to 100 with 5 over under range applied If the default value is incorrect for the input device it should be edited 2 4 4 3 FILTER SAMPLE COUNT The FILTER SAMPLE COUNT is the number of samples from an Analog Input channel that are averaged together before displayed The valid range is 1 40 with the default value of 10 If a channel has a noisy input the sample rate can be increased causing the noise to average itsel
31. displays a 24 hour trend of input data for the channel selected Vertical tic marks are each hour and horizontal tic marks are each 10 of full scale Colored lines indicate alarm levels The alarm level lines have triangles on the right end that indicate high and low trip for each alarm level A triangle that points up represents a high trip alarm and one that points down represents a low trip alarm Since each data point must be collected for several minutes before it may be displayed it is likely input values will fluctuate during this interval Therefore MAX MIN and AVERAGE values are stored in RAM memory for each subinterval To accurately portray the trend a vertical line is drawn between MIN amp MAX values for each subinterval The AVERAGE value pixel is then left blank leaving a gap in the vertical line This is demonstrated in the noisy area of the 24 hour trend in Figure 1 3 If the MAX amp MIN values are within 2 of each other there is no need for the vertical line and only the AVERAGE value pixel is darkened as in the quiet areas If there is no trend data available the corresponding section of the graph will be grayed out This will occur on power interruptions The top portion of each trend screen indicates channel number real time reading in engineering units measurement name range and MIN MAX amp AVERAGE values for the preceding 24 hour period When a channel reaches alarm state the colored bar changes to the color that
32. going to be fixed the warning message can be cleared permanently by disabling the redundant 37 ST 72 Controller Users Manual Revision b 2 0 port If the user chooses to test the port and it passes a success message will appear and the error message will be cleared Before a Primary port switches to its redundant port a scan must fail 3 times All channels setup to use the primary port are polled At the end of the scan if an error has occurred on any channel the error count is incremented After 3 scans fail the redundant port takes over communication If the redundant port also fails 3 times communication is switched back to the primary port When both ports fail the ST 72 will continuously switch between primary and redundant port Individual channels do not enter COMM ERROR mode unless both primary and redundant port failures occur Manual test can be performed on the redundant or primary port by going into the redundant port s com setting menu and selecting TEST REDUNDANT PORT or TEST PRIMARY PORT While in this menu the ST 72 also gives the active port on the screen 2 5 1 1 5 Disabled Select Disable to turn the port off if not needed 2 5 1 2 BAUDRATE This setting allows user to set the data rate of the communication port The options include 9600 19200 38400 57600 and 115200 2 5 1 3 PARITY A PARITY bit is a bit that is added to ensure that the number of bits with the value set of bits is eve
33. represents that alarm level and flashes Once the alarm is acknowledged the bar stops flashing Zero Span 100 19 29 2019 1 52 Ayo 26 16Hr 12Hr RE TT TT PNT TE LA Pit tT TA e PA IE eee o NCCE EEE EEE Figure 1 3 24 Hour Trend Screen ST 72 Controller Users Manual Revision b 2 0 1 3 3 GRAPHS SCREEN The ST 72 Bar Graphs screen shown in Figure 1 4 allows 16 channels to be viewed simultaneously Both engineering units and bar graph values are indicated in real time Lines across the bars indicate the alarm trip points making it easy to identify channels near alarm The bar graph alarm lines have colored triangles on the bottom that indicate alarm level and high or low trip for each alarm A triangle that points right represents a high trip alarm and one that points left represents a low trip alarm When a channel reaches alarm state the bar graph changes to the color that represents that alarm level and flashes Once the alarm is acknowledged the bar stops flashing If there are more than 16 channels active the scroll bar along the right side of the screen indicates channels not in the viewing area If one of the channels not in the viewing area goes into alarm the scroll bar arrow flashes the corresponding color of the alarm indicating which direction the user must scroll to display it This is demonstrated by the top scroll bar arrow below chi IS Sa PCTLEL chia
34. string 2 Name characters per register Zone 7 N A 40078 40085 3 6 16 Character string 2 Name characters per register 78 ST 72 Controller Users Manual Revision b 2 0 Zone 8 N A 40086 40093 N A 6 16 Character string 2 Name characters per register Actions Save N A 40095 40095 N A 6 Saves configuration now Config Config N A 40096 40096 N A 6 This register is set to 1 Changed when a configuration parameter has changed The user can clear it by writing O Security N A 40099 40099 N A 6 This register must be Unlock written with the Modbus unlock code before any parameter can be written using function codes 6 or 16 0000 9999 1234 5 3 5 STANDARD RELAY 1 Type Channel First Last Block Read Write Notes Size FC FC A1 Votes N A 40100 40100 3 6 16 Alarm 1 channels required 0 64 A2 Votes N A 40101 40101 3 6 16 Alarm 2 channels required 0 64 A3 Votes N A 40102 40102 3 6 16 Alarm 3 channels required 0 64 Acknowledge N A 40103 40103 3 6 16 Relay is acknowledgeable No 0 Yes 1 Failsafe N A 40104 40104 3 6 16 Relay is failsafe No 0 Yes 1 Zone 1 N A 40105 40105 3 6 16 Use zone 1 channels for Enable voting No 0 Yes 1 Zone 2 N A 40106 40106 3 6 16 Use zone 2 channels for Enable voti
35. than one ST 72 is on the network and if they need to communicate with each other it is recommended to use a static IP configuration see section 10 4 This is because there is a possibility that a dynamic address will be changed by the DHCP server If the IP address is changed communication will fail Static configuration is necessary when using ModbusTCP master or Mimic mode over TCP IP If accessing the ST 72 from a computer or other device that can resolve its hostname dynamic configuration is fine 123 ST 72 Controller Users Manual Revision b 2 0 10 3 CONNECTING THE ST 72 ON AN ISOLATED NETWORK lt 72 192 168 1 100 192 168 0 2 ModbusTCP Slave 192 168 1 101 Firewall 192 168 1 1 192 168 0 20 PC 192 168 1 102 S PC 192 168 0 3 Figure 10 4 Another possible network configuration for the ST 72 involves connecting the controller with ModbusTCP slave devices and possibly computers on a network This network can then be isolated from a larger company network using a router firewall The isolated network will not see any traffic from the company network unless port forwarding rules are setup in the router This configuration offers greater security and improved network performance when the company network has a large amount of traffic When creating an isolated network make sure to use a different private IP address range than the outside network For example if the main ne
36. to a metal bracket which should be grounded to the ST 72 earth connection Surge energy induced into the antenna will be drained first by the mount s ground connection second by the outside shield of the coax cable to the ground connection on the radio and third by the internal conductor of the coax cable via the radio electronics This third earth path causes damage unless the other two paths provide a better earth connection allowing surge energy to bypass the electronics When an antenna is located outside of a building and outside of an industrial plant environment external coax surge diverters are recommended to further minimize the effect of surge current in the inner conductor of the coax cable Coax surge diverters have gas discharge element which breaks down in the presence of high surge voltage and diverts any current directly to a ground connection A surge diverter is not normally required when the antenna is within a plant or factory environment as the plant steelwork provides multiple parallel ground paths and good earthing will provide adequate protection without a surge diverter Connections to other equipment Surges can enter the wireless unit from connected devices via 1 O serial or Ethernet connections Other data devices connected to the wireless unit should be well grounded to the same ground point as the wireless unit 109 ST 72 Controller Users Manual Revision b 2 0 Special care needs to be taken where the con
37. to factory defaults at once This is done through the Edit Coldboot menu shown in Figure 9 1 To access the Coldboot menu hold the cycle power be released once the Loading Configuration Data progress bar appears If a SD Card is installed this menu will allow backing up the current configuration before starting the Coldboot If only one channel s configuration needs to be reset refer to section 2 4 6 9 Cance Cold Boot Card Status Save Config File Figure 9 1 121 ST 72 Controller Users Manual Revision b 2 0 SECTION 10 NETWORK CONNECTION 10 1 DIRECT CONNECTION WITH CROSSOVER CABLE OR HUB SWITCH If a network is not available or if it is desired to keep the ST 72 and PC s completely separated from other computers a simple network can be created The simplest network can be created by connecting the ST 72 to a PC directly using an Ethernet crossover cable Many modern computers have automatic detection switching on the port In most cases a normal patch cable can directly connect the ST 72 to a PC Crossover Ca b e 192 168 0 2 SS 192 168 0 1 If a crossover cable is not available or if multiple computers need access to the ST 72 a switch can be connected to the ST 72 and one or more computers using standard patch cables Figure 10 1 Switch 192 168 0 1 192 168 0 2 Figure 10 2 These simple networks will not likely have access to a DHCP server In this case if the
38. used instead of a circuit breaker a properly rate CERTIFIED fuse or current limiter is required to be installed as per local or national codes Markings for positions of the switch or breaker should state 1 for and O for off Clean only with a damp cloth without solvents Equipment not used as prescribed within this manual may impair overall safety ST 72 Controller Users Manual Revision b 2 0 1 2 GENERAL DESCRIPTION The R C Systems Co Inc ST 72 64 channel Controller is designed to display and control alarm event switching for up to 64 sensor data points It may also be set as a 16 32 or 48 channel controller for applications needing fewer inputs Three programmable standard alarms with features such as ON and OFF delays Alarm Acknowledge along with dedicated horn and fault relays make the ST 72 well suited for many multi point monitoring applications Data may be input to the ST 72 by optional analog inputs or via the multiple communication ports These communication ports are programmable so the controller can be configured with multiple Master or Slave configurations With a Modbus s ave RS 485 port configured sending data to PCs PLCs DCSs or even other ST 72 Controllers is available The Ethernet port allows the unit to be a ModbusTCP Master and Slave and also provides access to the embedded webpage Options such as analog I O and discrete relays for each alarm are easily added to the addressable bus Optio
39. 072810 09 45 28 Enable Channel Count 64 DisrFlas Alarm Main Data Marmur Time 1 Cal Purge Time tmin 1 Zone Screen Enabled Yes Block Hegative Yes Relay Refresh tmin B En 1 Zone 2 Tank Farm Zone 3 Mezt Gate Zone 4 Switchgear Room Zone 5 Control Room gonen Mimic Mode Enabled Ho zone S Configure CONI Zone 2 Configure gt Zone Hames Mimic Mode SD Card C tus i View Event Log gt Logger Enabled VES Clear Event Log Save Config File View Sensor Life Load Config File View Log File Trend 9715 2018 971572010 971272018 971272018 0770972016 Comm Error 6612 2618 Cold Boot 6681 2618 85 35 05 24 2010 Fault in 32 Measurement Oxygen Measurement Oxygen Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement rrm 25 Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement 7 Oxygen Measurement Measurement Measurement 7 Oxygen Measurement Prem 25 7 Oxygen Measurement Measurement Measurement Measurement
40. 1 0 Alarm 2 1 Alarm 3 2 Override 2 N A 40155 40155 6 16 Create an override Channel channel 0 is disabled 0 64 Override 2 N A 40156 40156 N A 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 3 N A 40157 40157 N A 6 16 Create an override Channel channel 0 is disabled 0 64 Override 3 N A 40158 40158 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 4 N A 40159 40159 6 16 Create an override Channel channel 0 is disabled 0 64 Override 4 N A 40160 40160 N A 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 5 40161 40161 6 16 Create an override Channel channel 0 is disabled 0 64 83 ST 72 Controller Users Manual Revision b 2 0 Override 5 N A 40162 40162 N A 3 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 6 N A 40163 40163 N A 3 6 16 Create an override Channel channel 0 is disabled 0 64 Override 6 N A 40164 40164 N A 3 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 7 N A 40165 40165 3 6 16 Create an override Channel channel 0 is disabled O 64 Override 7 N A 40166 40166 N A 3 6
41. 10 of full scale The factory default setting is 10 which is 10 of 100 or default full scale value If the full scale value is changed the fault value is automatically updated to reflect the new value For example if the fault level is 10 and the full scale value is changed from 100 to 50 the fault level will automatically changed to 5 which is 10 of the new full scale value If the fault level is 5 5 of full scale and the full scale value is changed from 100 to 50 the fault level will automatically changed to 2 5 which is 5 of the new full scale value Hlarm Hlarm Hlarm Fault Alarm Data Fram Linearize Conf igure Figure 2 16 2 4 4 DATA FROM MENU TO SET INPUT SOURCE Channels may be independently configured to accept input data from the following sources Ananalog input PCB attached to the I C bus These include Analog and Bridge input boards e Modbus RS 485 from up to four configured master ports connected to Modbus slave devices e Modbus TCP IP connected to the Ethernet port Note Each Modbus menu selection also requests the RTU and the Alias register 4 location of the data to be retrieved from the RTU Alias register 28 ST 72 Controller Users Manual Revision b 2 0 numbers define the location of the variable representing the input value and must be obtained from the manufacturer of the Modbus RTU device e One of our Radio Modem kits may be connected to the Modbus RS 485 master port to enabl
42. 12 1 N A Off 0 1 Status Alarm 1 1 64 13513 13576 1 N A Off 0 1 Flashing Alarm 2 1 64 13577 13640 1 N A Off 0 On 1 Status Alarm 2 1 64 13641 13704 1 N A Off 0 1 Flashing Alarm 3 1 64 13705 13768 1 N A Off 0 On 1 Status Alarm 3 1 64 13769 13832 1 N A Off 0 Onz 1 Flashing Fault Status 1 64 13833 13896 1 N A Off 0 1 Comm 1 64 13897 13960 1 N A Off 20 Onz 1 Error Config 1 64 13961 14024 1 N A Off 0 1 Error Error 1 64 14025 14088 1 Off 0 1 73 ST 72 Controller Users Manual Revision b 2 0 Cal Flag 1 64 14089 14152 1 2 N A Off 0 1 1 64 14153 14216 1 2 Off 0 On 1 Detected Linearizing 1 64 14217 14280 1 2 N A Set if the channel s linearize map is non default Off lt 0 1 1 64 14281 14344 1 2 Unacknowledged error Flashing Off 0 1 5 3 3 INPUT REGISTERS Type Channel First Last Block Read Write Notes Size FC FC Product ID N A 32001 32001 N A 4 N A Reads value 72 Version N A 32002 32002 N A 4 N A Reads version 100 Custom N A 32003 32003 N A 4 N A N A Feature Customer N A 32004 32004 N A 4 N A N A ID Lock Status N A 32005 32005 N A 4 Indicates the lock state for Modbus writes Locked 1 Unlocked 0 Boot Date N A
43. 2028 N A N A False 0 True 1 Relay 3 Indicates whether Flashing standard relay 3 has been acknowledged Fault Relay N A 32029 32029 N A N A False 0 True 1 Flashing Indicates whether the fault has been acknowledged Horn Relay N A 32034 32034 N A N A False 0 True 1 Flashing Indicates whether the horn relay has been acknowledged Active Port N A 32030 32030 N A N A When a redundant port is for COM1 enabled this value indicates which port is in use 0 or the port number of the redundant port 1 3 PortNumber 1 75 ST 72 Controller Users Manual Revision b 2 0 Active Port N A 32031 32031 N A 4 N A See active port for COM1 for COM2 1 or the port number of the redundant port 0 2 3 PortNumber 1 Active Port N A 32032 32032 4 See active port for COM1 for COM3 2 or the port number of the redundant port 0 1 3 PortNumber 1 Active Port N A 32033 32033 N A 4 See active port for COM1 for COM4 3 or the port number of the redundant port 0 2 PortNumber 1 Analog 1 64 31001 31064 1 4 N A 16bit integer value Output tracking analog output Uses a range of 800 4000 to represent 4 20 Channel 1 64 33001 33064 1 4 N A 16bit representation of Value float w 5 over under range see formula Channel 1 64 33065 33192 2 4 N A 32bit
44. 26 2010 3 56 Alarm 2 in 27 10 2 010 3 Alarm 1 in 27 Alarm 2 in 26 Alarm 1 in 26 10 26 2010 56 Alarm 2 25 10 26 2010 gt Alarm 1 in 25 10 26 2010 56 Alarm 2 in 24 10 26 2010 5 Alarm 1 in 24 10 26 2010 56 Alarm 2 in 23 10 26 2010 Alarm 1 in 23 10 26 2010 5 2 22 Alarm 1 in 22 Figure 8 4 115 ST 72 Controller Users Manual Revision b 2 0 8 5 CONFIGURE The configuration pages allow viewing and editing of most system parameters The exceptions are communication and security settings which must be set from the unit s keypad interface All changes made to the configuration parameters will not be saved until the user has entered the correct login password 8 5 1 ALARM OUTPUTS SYSTEM ZONE CHANNEL EVENT LOG CONFIGURE Logged In Standard Relay 1 Standard Relay 2 Al Votes 1 Votes A2 Votes A2 Votes A3 Votes A3 Votes Acknowledge Acknowledge Failsafe Failsafe Zone 1 Zone 1 Zone 2 Zone 2 Zone 3 Zone 3 Zone 4 Zone 4 Zone 5 Zone 5 Zone 6 Zone 6 Zone 7 Zone 7 Zone 8 Zone 8 Channel Override 1 i Channel o Alarm Override 1 Channel o Channel o Override 2 Override 2 Alarm Channel Channel o Override 3 Override 3 Alarm Alarm Channel Channel 2 M Override 4 Figure 8 5 116 8 5 2 CHANNEL CONFIGURATION SYSTEM ZONE Channel 1 1 Setpoint Latching Trip On On Delay seconds
45. 3 2 1 1 2 2 3 2 2 ACKNOWLEDGE 2 3 2 3 FAILSAFE 2 3 2 4 PIEZO ALARM 2 3 3 DISCRETE RELAY 2 3 4 PROGRAMMABLE RELAY 2 4 CHANNEL CONFIGURATION ENTRY MENU 2 4 4 CHANNEL CONFIGURATION MENUS 2 4 2 ALARM 1 ALARM 2 ALARM MENU 2 4 2 1 SETPOINT 2 4 2 2 LATCHING 2 4 8 8 TRIP ON 2 4 2 4 ON OFF DELAYS 2 4 2 5 HORN ON 2 4 2 6 COLOR 2 4 27 ENABLED 2 4 3 FAULT ALARM MENU 2 4 4 DATA FROM MENU TO SET INPUT SOURCE E 1 1 IMPORTANT SAFETY ISSUES 1 2 GENERAL DESCRIPTION sccssscsseressscsoesensecsoesenseceesensensonsense 1 3 DATA DISPLAY SCREENS itin rir ennenen enner ene 2 4 4 1 2 4 4 2 2 4 4 3 2 4 4 4 2 4 4 5 2 4 4 6 2 4 4 7 2 4 4 8 2 4 4 9 SOURCE MIN RAW amp MAX RAW FILTER SAMPLE COUNT LOCAL CAL MARKER MENU REMOTE ID ALIAS INTERFACE SLAVE BYTE ORDER 2 4 5 LINEARIZE 2 4 6 CONFIGURE MENU 2 4 6 1 2 4 6 2 2 4 6 3 2 4 6 4 2 4 6 5 2 4 6 6 2 4 6 7 2 4 6 8 2 4 6 9 2 5 COMMUNICATION SETTINGS MENU INFO MEASUREMENT NAME ZERO SPAN DECIMAL POINTS CHANNEL ON ZONE DEADBAND COPY TO CHANNEL COPY TO GROUP RESTORE CH DEFAULTS 2 5 1 COM 1 4 SETTINGS 2 5 1 1 2 5 1 2 2 5 1 3 2 5 1 4 2 5 1 5 2 5 1 6 2 5 1 7 2 5 1 8 2 5 1 9 FUNCTION BAUDRATE PARITY TIMEOUT POLL DELAY SYMPATHY ENABLED RADIO SETUP SLAVE BYTE ORDER WIRELESS TIMEOUT 2 5 2 MODBUS TCP SETTINGS 2 5 2 1 2 5 2 2 2 5 2 3
46. 3 6 16 Relay is acknowledgeable No 0 1 Failsafe N A 4 N A 3 6 16 Relay is failsafe No 0 Yes 1 Zone 1 N A 5 N A 3 6 16 Use zone 1 channels for voting Enable No 0 Yes 1 Zone 2 6 3 6 16 Use zone 2 channels for voting Enable No 0 Yes 1 Zone 3 N A 7 N A 3 6 16 Use zone 3 channels for voting Enable No 0 Yes 1 Zone 4 N A 8 N A 3 6 16 Use zone 4 channels for voting Enable No 0 Yes 1 Zone 5 N A 9 N A 3 6 16 Use zone 5 channels for voting Enable No 0 Yes 1 Zone 6 N A 10 N A 3 6 16 Use zone 6 channels for voting Enable No 0 Yes 1 Zone 7 11 3 6 16 Use zone 7 channels for voting Enable No 0 Yes 1 92 ST 72 Controller Users Manual Revision b 2 0 Zone 8 N A 12 N A 6 16 Use zone 8 channels for voting Enable No 0 Yes 1 Override 1 N A 13 N A 6 16 Create an override channel 0 is Channel disabled 0 64 Override 1 N A 14 N A 6 16 Alarm for this override channel Alarm to use Alarm 1 0 Alarm 2 1 Alarm 3 2 2 Override 2 N A 15 N A 6 16 Create an override channel 0 is Channel disabled 0 64 Override 2 N A 16 N A 6 16 Alarm for this override channel Alarm to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 3 N A 17 N A 6 16 Create an override channel 0 is Channel disabled 0 64 Override 3 N A 18 N A 6 16 Alarm for this override channel Alarm to use Alarm 1 0 Alar
47. 5 3 Once the name or address is entered into a browser a pop up box ask the user for the username and password The name and password are fixed The NAME admin and the PASSWORD controller64 After access is gained the user will be able to see channel data event logs and configuration If a parameter needs to be changed the user must login before the controller will accept the change This login password can be changed in the Security menu under Modbus Lock Code see section 2 6 3 The default Modbus Lock Code is 1234 Internet Explorer does not allow access to hostnames that contain character 111 ST 72 Controller Users Manual Revision b 2 0 8 1 SYSTEM SCREEN The System screen shown below Figure 8 1 displays all active channels at once It is capable of displaying 16 32 48 or 64 channels depending on the controller s configuration This screen very similar to the Main Data screen displays measurement name and uses a colored cells that flash with new alarms to indicate alarm conditions Once the alarms have been acknowledged by an operator the cell will remain the appropriate color but will stop flashing showing the alarm has been acknowledged The five standard relays states are shown at the bottom of the screen The boxes duplicate the LED behavior as seen when looking at the unit A flashing box indicates an unacknowledged relay a red box indicates an energized de energized for failsafe relay While in the Syste
48. 50505 and remove A screw amp B plastic av 996969 then slide cover left and lift OxOzO 809 1 LU Tv O80 WARNING For continued protection 02090 against fire replace only with same 959509 V type and rating of fuse 5 Ot K 248 8080807 GU 9909050 LOT amem QSO AO VER i B 08 906990 EGLI e HAZARD O OCnOnOanO 626262686 a RISK ELECTRICAL operation disse SHOCK DISCONNECT OR TURN OFF POWER i 08080850 BEFORE SERVICING 9096909 09690909 EQUIPMENT 05060 05050650650 5 00 RANGE SELECTOR SWITCH z 150 Watt 24 VDC Power Supply Option 10 0172 Figure 3 8 63 ST 72 Controller Users Manual Revision b 2 0 SECTION 4 DIAGNOSTICS A System Diagnostic Mode shown in Figure 2 5 Figure 2 7 may be entered during normal operation from the MAIN menu The entry menu shown below offers useful routines for testing front panel LED s relays serial ports and analog I O It is exited manually by pressing sea and automatically if no keys are pressed for 5 N minutes The unit will reboot when diagnostics is exited It is very important L to understand that CHANNEL INPUT DATA IS NOT PROCESSED DURING THE DIAGNOSTICS MODE It is possible to miss important input values while utilizing this mode and appropriate safeguards should be in place However the Diagnostics Mode can prove invalu
49. ABLED to NO causes scrolling through the screens to skip the ZONE screen 2 7 2 8 BLOCK NEGATIVE This setting prevents negative channel values from being displayed It applies to all channels 2 7 2 9 RELAY REFRESH RELAY REFRESH menu allows reactivation of Acknowledged alarms after the time period expires This feature is used primarily to restart audible alarm devices after having been silenced by an acknowledge function via serial port or pressing the Alarm Reset button An entry of 0 seconds effectively disables the Alarm Refresh function Maximum of 60 minutes allowed 46 ST 72 Controller Users Manual Revision b 2 0 2 7 3 ZONE NAMES ZONES 1 8 names can be edited for a quick reference while in the zone screen These 16 character names show up in the title bar of each zone um LU Wersion fone Conf igure Fone Hames Mimic Mode Tank Farm West Gate SWwitchdear Foor Control Room Main Process Zone Zone 8 SD Card Wiew Event Log Clear Event Loa Wiew Sensor Life Oo J C Cm b C4 Figure 2 32 274 MIMIC MODE When mimic mode is enabled the ST 72 will duplicate the data and alarms of another ST 72 which can be connected with RS485 or TCP IP Entering the communications port and slave ID allows the ST 72 to automatically retrieve programmed configuration parameters from the Main controller The Mimic controller s communication port must be configured as the Modbus Master and
50. B assemblies to 3 the controller E bee 10 26 34 59 42 58 30 ow JP5 allows zoning of adjacent channel alarms All zoning jumpers are placed vertically DWG exhibits channels 1 4 and channles 5 7 creating two zones All relays in a zone switch togeather Unused jumpers may be stored horizantally UN OW ooolooooooloeoo ooco eoo eoo eoom eo m mmm ZONE JUMPERS rete Alar Figure 3 3 3 23 OPTIONAL BRIDGE SENSOR INPUT BOARD 710 0347 An optional 16 channel 12 bit Bridge Sensor Input board allows popular gas detectors to be connected directly to the ST 72 without additional signal conditioning or transmitters Up to eight dual channel 10 0192 modules may be installed in each 16 channel 10 0347 Each 10 0192 channel is equipped with a bridge amplifier and balance potentiometer and an adjustable switching regulator for setting the correct sensor excitation voltage A three position coarse gain jumper allows setting the gain of the bridge amplifier Fault supervision circuitry forces the ST 72 into a FAULT condition upon sensor failure or removal This option may also be configured to accept 4 20mA inputs for mixing bridge sensors and current loops into the same board Placing channel s 2 posit
51. D 410 0348 59 3 2 6 OPTIONAL PROGRAMMABLE RELAY BOARD 10 0350 60 3 2 7 OPTIONAL 24VDC 600 WATT POWER SUPPLY 62 3 2 8 OPTIONAL 24VDC 150 WATT POWER SUPPLY 410 0172 63 SECTION 4 DIAGNOSTICS 2 acu Ya aD dac eh da cu 64 4 1 STANDARD RELAYS rris nan die Erba Catia ia DG s 64 4 2 DISCRETE RELAY cmo RT HS 65 4 3 PROGRAMMABLE Ee D n 65 4 4 5 5 20 rin VERS oa CHA ERR Ente va cri DR i UE 66 4 4 1 VIEW INPUTS 66 4 4 2 CALIBRATE BOARD 66 4 5 ANALOG OU TPU TS ER ET Co REM UR E ODER 67 4 6 2 TNR 67 4 7 Mc c M 68 4 8 SERIAL PORTS teneo tiun dite vti ipu ate 69 4 9 VO BOARD CONFIGURATION isnt 44 Fas 70 SECTION 5 MODBUS REN REC o 71 5 1 MODBUS cpi Oc niae EFI Ras DO ELA D EDU B kl ERR FR KIA AR 71 5 2 MODBUS SLAVE WRITES EVER ol Vx 71 5 3 MODBUS SLAVE REGISTER 71 5 3 1 COILS 72 5 3 2 DISCRETE INPUTS 72 5 3 3 INPUT REGISTERS 74 5 3 4 HOLDING REGISTERS 78 5 3 5 STANDARD RELAY 1 79 5 3 6 STANDARD RELAY 2 82 5 3 7 STANDARD RELAY 3 84 5 3 8
52. DISCRETE RELAYS 87 5 3 9 HORN PIEZO 87 5 3 10 CHANNEL CONFIGURATION 88 5 3 11 PROGRAMMABLE RELAYS 91 SECTION 6 ENCLOSURE 5 2 2429 414 95 6 1 ST 72PM PANEL RACK MOUNT 95 6 2 ST 72N4 NEMA 4X LARGE WALL MOUNT FIBERGLASS ENCLOSURE 96 6 3 ST 72CP NEMA 4X COMPACT WALL MOUNT FIBERGLASS ENCLOSURE 97 6 4 ST 72XP NEMA 7 WALL MOUNT ALUMINUM ENCLOSURE 99 6 5 ST 72 MAIN I O amp OPTION PCB FOOTPRINT DIMENSIONS AND ENCLOSURE CAPACITIES rts oci ca saved 100 SECTION 7 WIRELESS OPTION 4 4a eina ran inan dva dun dna nd nh aa ndn idu dni 102 7 1 RADIO SETUP MENU 5 errori indian 103 7 1 4 HOP CHANNEL 104 7 1 2 SYSTEM ID 104 7 1 3 MODE 104 7 2 WIRELESS MONITOR MODE 1 11 31 11 1 nnne nnne nnn 104 7 2 4 RADIO STATUS ALARMS WIRELESS MONITOR MODE 105 7 2 1 1 COMMUNICATIONS ERROR 105 7 2 1 2 LOW BATTERY 106 7 2 4 3 CALIBRATIONS 106 7 3 WIRELESS MODBUS SLAVE 106 7 4 WIRELESS MODBUS MASTER MODE 222 4420 4 1 4101 106 7 5 ANTENNA SELEGCTION eet 107 7 5 1 DIPOLE AND COLLINEAR ANTENNAS 107 7 5 2 YAGI ANTENNAS 107 7 5 3 M
53. EEE Float Latching 1 64 42705 42768 1 3 6 16 No 0 1 1 64 42769 42832 1 3 6 16 Low 0 high 1 On Delay 1 64 42833 42896 1 3 6 16 Time in seconds 0 10 88 ST 72 Controller Users Manual Revision b 2 0 Off Delay 1 64 42897 42960 1 3 6 16 Time in minutes O 120 Horn Drive 1 64 42961 43024 1 3 6 16 No 0 Yes 1 Color 1 64 43025 43088 1 3 6 16 Alarm color displayed on the unit Red 0 Blue 1 Orange 2 Alarm 3 Setpoint 1 64 43089 43216 2 3 16 Integer and divisor Setpoint 1 64 43217 43344 2 3 16 32bit IEEE Float Latching 1 64 43345 43408 1 3 6 16 No 0 Yes 1 Trip 1 64 43409 43472 1 3 6 16 Low 0 high 1 On Delay 1 64 43473 43536 1 3 6 16 Time in seconds 0 10 Off Delay 1 64 43537 43600 1 3 6 16 Time in minutes O 120 Horn Drive 1 64 43601 43664 1 3 6 16 No 0 1 Color 1 64 43665 43728 1 3 6 16 Alarm color displayed on the unit Red 0 Blue 1 Orange 2 Enable 1 64 43729 43792 1 3 6 16 0 1 Fault Setpoint 1 64 43793 43920 2 3 16 Integer and divisor Setpoint 1 64 43921 44048 2 3 16 32bit IEEE Float Data From Source 1 64 44369 44432 1 3 6 16 Analog In 0 Modbus 16bit 1 Signed Modbus 16bit 2 Modbus 32bit 3 Wireless Monitor 4 Digital In 5 Min Raw 1 64 44433 44496
54. IEEE Floating point Value Channel 1 64 33193 33384 3 4 N A Character string Value representation of value 2 ASCII characters per register Alarm 1 1 64 33449 33512 1 4 N A Off 20 On 1 Status Alarm 1 1 64 33513 33576 1 4 N A Off 20 On 1 Flashing Alarm 2 1 64 33577 33640 1 4 N A Off 20 On 1 Status Alarm 2 1 64 33641 33704 1 4 N A Off 20 On 1 Flashing Alarm 3 1 64 33705 33768 1 4 N A Off 20 On 1 Status Alarm 3 1 64 33769 33832 1 4 N A Off 20 On 1 Flashing 76 ST 72 Controller Users Manual Revision b 2 0 Fault 1 64 33833 33896 1 4 N A Off 0 On 1 Status Comm 1 64 33897 33960 1 4 N A Off 0 On 1 Error Config 1 64 33961 34024 1 4 N A 0 On 1 Error Error 1 64 34025 34088 1 4 N A Off 0 On 1 Cal Flag 1 64 34089 34152 1 4 N A 0 On 1 Marker 1 64 34153 34216 1 2 N A Off 0 On 1 Detected Linearizing 1 64 34217 34280 1 2 N A Set if the channel s linearize map is non default Off 0 On 1 Error 1 64 34281 34344 1 2 Unacknowledged error Flashing Off 0 1 Sensor Life 1 64 34401 34464 1 4 N A 2 Disabled 1 Cal Required 0 100 Sensor life 16bit representation of float w 5 over under range is calculated as follows s SpanValue ZeroValue 1 1 DisplayValue ModbusValue ZeroValue 5
55. L 128 zine Stacilscies 192 168 0228 Packets Sent 4 Received 4 Lost 0 0 loss Approximate round trip times in milli seconds Minimum Oms Maximum Oms Average Oms To test access by hostname Type ping and then the hostname of the unit C gt ping unit 72 1000 72 100 1192 166 0 2 with 32 bytes daras Reply from 192 168 0 2 bytes 32 time ims TTL 128 Reply from 192 168 0 2 bytes 32 time ims TTL 128 Reply from 192 168 0 2 bytes 32 time ims TTL 128 Reply from 192 168 0 2 bytes 32 time ims TTL 128 Bing SCACLIStles ror 192 168 023 Packets Sent 4 Received 4 Lost 0 0 loss Approximate round trip times in milli seconds Minimum Oms Maximum Oms Average Oms If pinging the hostname fails but pinging the IP address does not it may indicate a DNS problem The command ipconfig flushdns may help if network settings have been changed recently on the ST 72 Otherwise the webpage can be accessed by IP address rather than hostname The web links for the ST 72 when using the configuration as shown in section 10 4 1 are http 192 168 0 2 or http unit 72 1000 129
56. MODBUS MASTER MODE ST 72 applications as a Wireless Modbus master are similar to the Wireless Monitor mode described in section 7 2 and wiring to the radio modem is identical The radio setup menus described in section 7 1 may also be used for configuring hop channel and system ID settings The difference is each Channel s INPUT DATA FROM menu must be configured with the correct MODBUS values to match the slave device instead of Wireless Monitor Wired and wireless inputs may be mixed between the ST 72 s 64 channels so it is also possible to accept wired signals from analog input option PCB s described in section 3 2 This is a popular application when the Modbus slave is another remote ST 72 ST 71 or our ST 90 QUAD controller available with built in radio modem compatible with the ST 72 Radio Kit Other Modbus slave devices may also be converted to wireless by addition of another Radio Kit at the slave s location 106 ST 72 Controller Users Manual Revision b 2 0 7 5 ANTENNA SELECTION 7 5 DIPOLE AND COLLINEAR ANTENNAS These antennas are connected to the Radio via a length of coax cable If the cable is larger than 6mm diameter 1 4 inch do not connect the cable directly to the radio connection on the ST 72 enclosure Thick cables have large bending radii and sideways force on the connector can cause a poor connection Use a short flexible pigtail between the thick cable and the radio The polarity of these antennas is the same as
57. Measurement Measurement Oxygen Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Figure 2 29 44 ST 72 Controller Users Manual Revision b 2 0 2 7 4 VERSION The VERSION line in the System menu displays the version of firmware that is programmed in the controller umm T Ll T Conf igure fone Hames Mode SD Card Wiew Event Log Clear Event Log Uieu Sensor Life L ob cb Figure 2 30 27 2 CONFIGURE Some items needing configuration are not specific to a channel but affect the entire ST 72 system These are located in the CONFIGURE entry menu shown on the right side of Figure 2 31 System Configuration menus are accessed by pointing to the desired Edit item and pressing Gi Hare Contrast Date 18 280 218 Time po 435 28 Enable Channel Count 64 DisrFlas Alarm Main Data larmur Time min 1 Cal Purge Time min 1 zone Screen Enabled Yes Block Hedative Relay Refresh mina B Figure 2 31 Uer sion Configure zone Hames Mode SD Card Wiew Event Log Clear Event Log Uieu Sensor Life kek t 45 ST 72 Controller Users Manual Revision b 2 0 2 7 2 1 NAME Assign the controller a name for use in the backup configuration file name on the SD card The controller
58. N BOTTOM RIGHT SIDE TO PREVENT CONTACT WITH DANGEROUS VOLTAGES REMOVE AC POWER BEFORE SERVICING EQUIPMENT NEMA 4X WALL MOUNT Figure 6 3 97 ST 72 Controller Users Manual Revision b 2 0 GROUNDING OF EQUIPMENT AND CONDUIT Ground in accordance with the requirements of the National Electrical Code Conduit hubs for metallic conduit must have a grounding bush ing attached to the hub on the inside of the enclosure Ground Non metallic conduit and hubs require the use of a grounding wire in the conduit Grounding bushings are not required To avoid electric shock System grounding is provided by connection wires from all con grounding must be duit entries to the subpanel or to other suitable point which pro installed by the customer vides continuity Any device having a metal portion or portions as part of the installation extending out of the enclosure must also be properly grounded Non metallic enclosures do not provide grounding between conduit connections TYPICAL GROUNDING ILLUSTRATIONS METALLIC CONDUIT NON METALLIC CONDUIT CONNECTOR LOCKNUT GHOUNDING BUSHING GROUNDING WIRE GROUNDING CONNECTION Figure 6 4 98 ing bushings have provisions for connection of a grounding wire ST 72 Controller Users Manual Revision b 2 0 6 4 ST 72XP NEMA 7 WALL MOUNT ALUMINUM ENCLOSURE The ST 72XP shown Figure 6 5 is an aluminum NEMA 4X 7 wall mount enclosure designed for mo
59. N is set to HIGH for increasing alarms or LOW for decreasing alarms to determine if the alarm activates upon exceeding or falling below the setpoint 2 4 2 4 ON OFF DELAYS The ON DELAY OFF DEL AY entries allow ON and OFF time delays affecting how long the setpoint must be surpassed before an alarm event transition occurs ON delays are limited to 10 seconds while OFF delays may be as long as 120 minutes Delays are useful in many applications to prevent nuisance alarms and unwanted cycling into and out of alarm conditions 2 4 2 5 HORN ON The HORN ON entry allows linking this alarm to the common horn relay NO causes the alarm to have no effect upon the horn relay Entering YES causes this alarm to 27 ST 72 Controller Users Manual Revision b 2 0 turn the horn relay on steady or to pulse it depending upon horn configuration in the system menu see section 2 3 2 1 2 4 2 6 COLOR COLOR gives the option of assigning A2 or A3 alarms different colors besides the default RED The options are RED BLUE and ORANGE 2 4 2 7 ENABLED ENABLED Alarm 3 only Because most applications require only two alarm levels A3 is turned NO off from the factory YES activates the A3 alarm level if needed 2 4 3 FAULT ALARM MENU The channel alarm identified as Fault activates when the input is out of range in the negative direction The fault level is always low trip and the dedicated common fault relay is always failsafe The minimum setting is
60. OUNTING NEAR OTHER ANTENNAS 108 7 5 4 COAX CABLES 108 7 6 SURGE PROTECTION amp 108 7 6 1 ANTENNA GROUNDING 109 SECTION 8 WEBPAGE 111 8 1 SYSTEM SCREEN fee 112 8 2 ZONE SCREEN Mo 113 8 3 CHANNEL SCREEN tastes teca e Rte 114 8 4 EVENT LOG SCREEN oes ndr ei e eub ete eis 115 8 5 CONFIGURE a m n 116 8 5 1 ALARM OUTPUTS 116 8 5 2 CHANNEL CONFIGURATION 117 8 5 3 COPY CHANNELS 117 8 5 4 PROGRAMMABLE RELAYS 118 8 5 5 SYSTEM CONFIGURATION 118 8 5 6 CONFIGURATION UPLOAD DOWNLOAD 119 SECTION 9 TROUBLESHOOTING secacsciitaciecnieasecauanstasiuiatdiatewemuasaviuaneanudansan 120 9 1 CHANNEL ERRORS TREE SRTR VOE 2992 120 91 1 COMM ERROR 120 9 1 2 CONFIG ERROR 120 9 1 3 I O ERROR 120 9 2 RESET TO FACTORY DEFAULTS ennenen enne ene 121 SECTION 10 NETWORK CONNECTION ereenn 122 10 1 DIRECT CONNECTION WITH CROSSOVER CABLE HUB SWITCH 122 10 2 CONNECTING THE ST 72 TO AN EXISTING 123 10 3 CONNECTING THE ST 72 ON AN ISOLATED NETWORK 124 10 4 STATIC IP CONFIGURATION 111111 nennen nnn nennen nnn 125 10 4 1 ST 72 STATIC IP CONFIGURATIION 125 10 4 2 WINDOWS X
61. P STATIC IP CONFIGURATION 125 10 4 3 DYNAMIC IP CONFIGURATION 128 10 5 TESTING 5 2 5255 128 REVISION HISTORY Revisiona2 0 9 11 2012 Update Section 2 3 6 and add Revision History page Revisionb2 0 5 19 2014 Update Section 2 7 4 ST 72 Controller Users Manual Revision b 2 0 SECTION 1 GENERAL DESCRIPTION 1 1 IMPORTANT SAFETY ISSUES The following symbols are used in this manual to alert the user of important instrument operating issues This symbol is intended to alert the user to the presence of important operating and maintenance servicing instructions dangerous voltage within the instrument enclosure that may be This symbol is intended to alert the user to the presence of sufficient magnitude to constitute a risk of electric shock WARNINGS A Shock Hazard Disconnect or turn off power before servicing this instrument WARNING EXPLOSION HAZARD DO NOT REPLACE FUSE UNLESS POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NON HAZARDOUS WARNING EXPLOSION HAZARD DO NOT DISCONNECT EQUIPMENT UNLESS POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NON HAZARDOUS Use a properly rated CERTIFIED AC power mains cable installed as per local or national codes A certified AC power mains disconnect or circuit breaker should be mounted near the controller and installed following applicable local and national codes If a switch is
62. Relay Standard Relay 3 orf Fault Relay orf Horn Relay orf ete Discrete Relay Ch 33 Discrete Relay Ch 43 Discrete Relay Ch i 32 48 64 57 72 Controller Users Manual Revision b 2 0 Alarm See Figure 2 6 im Programmable Rls 82 Programmable R13 03 Programmable R13 04 Programmable R13 05 Programmable 14 16 orf orf orf orf Analog Inrut Analog Input 17 52 Analog Inrut Ch 33 48 Analog Input Ch 49 64 View Inputs Calibrate Board gt See Figure 2 6 gt EEE VCI mi Analog Output 17 32 Analog Output Ch 33 48 utrut Ch 49 64 gt Y Figure 2 5 17 See Figure 2 7 ST 72 Controller Users Manual Revision b 2 0 Alarm 2 Alarm 3 Fault kok cb See Figure 2 5 Calibrate Board Analog Out 2 4mA Analog Out 3 12mH Analog Out 4 26mA Analog Out 5 16mA Analog Out F Figure 2 6 18 Ch 2 Alarm 1 off Ch B3 Alarm 1 off Ch B4 Alarm 1 off Ch B5 Alarm 1 off Ch 16 Alarm 1 off gt Counts Counts Ch 81 901426 89 061258 Ch d2 002248 Ch 18 661682 Ch d3 863186 Ch 11 862654 4 9017927 12 863677 Ch d5 863859 Ch l3 662451 Ch 66 901962 14 661236 Ch d 99172724 15 9927929 Ch 68 802195 16
63. SLAVE BYTE ORDER MASTER TIMEOUT MASTER POLL DELAY 2 5 3 NETWORK SETTINGS 2 5 3 1 2 5 3 2 2 5 3 3 2 5 3 4 2 5 3 5 DHCP ENABLED HOSTNAME IP ADDRESS NETMASK GATEWAY 2 5 4 TROUBLESHOOTING 2 5 4 1 2 5 4 2 2 6 SECURITY MENU VIEW COMM FAILURES CLEAR FAILURE COUNTS 2 6 1 USER NAME 2 6 2 LOCK CODE 2 6 3 MODBUS LOCK CODE 2 7 SYSTEM 43 2 77 1 VERSION 45 2 7 2 CONFIGURE 45 2 7 2 1 46 2 7 2 2 CONTRAST 46 2 7 2 3 DATE amp TIME 46 2 7 2 4 ENABLE CHANNEL COUNT 46 2 7 2 5 DISPLAY ALARM 46 2 7 2 6 WARMUP amp CAL PURGE TIME 46 2 7 2 7 ZONE SCREEN ENABLED 46 2 7 2 8 BLOCK NEGATIVE 46 2 7 2 9 RELAY REFRESH 46 2 7 3 ZONE NAMES 47 2 7 4 MIMIC MODE 47 2 7 5 SD CARD 48 2 7 5 1 CARD STATUS 48 2 7 5 2 LOGGER ENABLED 49 2 7 5 3 SAVE CONFIGURATION FILE 49 2 7 5 4 LOAD CONFIGURATION FILE 49 2 7 5 5 VIEW LOG FILE TREND 49 2 7 6 VIEW EVENT LOG 50 2 7 7 CLEAR EVENT LOG 51 2 7 8 VIEW SENSOR LIFE 51 SECTION INPUT OUTPUT 240 22 52 3 1 MAIN I O INTERFACE BOARD 10 0331 2 2602 222 4 0 52 3 2 INPUT OUTPUT OPTION BOARDS eene nnns 53 3 2 1 OPTIONAL ANALOG INPUT BOARD 10 0334 54 3 2 2 OPTIONAL DISCRETE RELAY BOARD 10 0345 56 3 2 3 OPTIONAL BRIDGE SENSOR INPUT BOARD 410 0347 57 3 2 4 BRIDGE SENSOR INPUT BOARD INITIAL SETUP 58 3 2 5 OPTIONAL 4 20mA ANALOG OUTPUT BOAR
64. T ZeroValue SpanValue 77 ST 72 Controller Users Manual Revision b 2 0 5 3 4 HOLDING REGISTERS Type Channel First Last Block Read Write Notes Size FC FC Alarm N A 40001 40001 N A 3 6 16 Simulates the alarm reset Reset button Write a value of 1 to activate System N A 40010 40017 3 6 16 Character string 2 Name characters per register Date Year N A 40020 40020 N A 3 6 16 0000 9999 Date Mon N A 40021 40021 N A 3 6 16 0 12 Date Day N A 40022 40022 N A 3 6 16 0 31 40023 40023 3 6 16 0 23 Time Min N A 40024 40024 N A 3 6 16 0 59 Time Sec N A 40025 40025 N A 3 6 16 0 59 40027 40027 N A 3 6 16 Time in minutes 0 5 Time Cal Purge N A 40028 40028 N A 3 6 16 Time in minutes 0 5 Time Block N A 40029 40029 N A 3 6 16 No 0 1 Negative Zone Names Zone 1 N A 40030 40037 N A 3 6 16 Character string 2 Name characters per register Zone 2 N A 40038 40045 N A 3 6 16 Character string 2 Name characters per register Zone 3 N A 40046 40053 3 6 16 Character string 2 Name characters per register Zone 4 N A 40054 40062 N A 3 6 16 Character string 2 Name characters per register Zone 5 N A 40062 40069 N A 3 6 16 Character string 2 Name characters per register Zone 6 N A 40070 40077 3 6 16 Character
65. Users Manual Revision b 2 0 2 5 COMMUNICATION SETTINGS MENU COMMUNICATION SETTINGS menu is accessed through the MAIN MENU This menu is used to configure the four possible communication ports Once in the S COMMUNICATION SETTINGS entry menu show on left in Figure 2 22 use ww to scroll up or down to select the communication port that is to be configured Edit Once the correct com port is selected mw brings you to that com port s configuration menu shown on right below Com ports 1 4 have identical menus and are shown only once Function BaudFEate Parit4 Timeout mz gH Foll Delay cms 298 SumrFath9 Enabled Radio Setur COM1 4 Menus are Identical COM Settings Slave Bute Order COM Settings Master Timeout mz JHE COMS Settings Master Poll Delaytmss258 COM4 Settings ModbusTCP Settings Hetwork Settings Troubleshooting DHCP Enabled Hostname Controlleri Address 197 165 6166 Hetmask aat acd a E Gateway 192 165 8 1 Figure 2 22 36 ST 72 Controller Users Manual Revision b 2 0 2 5 1 1 4 SETTINGS The four Modbus RS 485 ports can be individually configured multiple ways using the following menus COM Function 2 Settings BaudEate COMS Settings Parity COM4 Settings Timeout 752 ModbusTCP Settings Foll Delay cms Hetwork Settings Enabled Troubleshooting Radio Setur COM1 4 Menus are Identical Figure 2 23 2 5 1 1 FUNCTION
66. able when testing 1 since relays and analog outputs may be stimulated without driving inputs to precise levels 4 1 STANDARD 5 STANDARD RELAY allows manual actuation of the Standard Relays while in the Edit Diagnostic mode Highlight the relay to be actuated and press LEDs on the Main I O board confirm relay actuation Standard Relay Standard Relay Standard Relay Fault Relay Horn Relay Figure 4 1 64 ST 72 Controller Users Manual Revision b 2 0 4 2 DISCRETE RELAYS DISCRETE RELAYS allows manual actuation of the connected Discrete Relays while Edit in the Diagnostic mode Highlight the channel group to be actuated and press Edit Then select the alarm group and press These steps bring you to the screen on the right in Figure4 2 and allow the actuation of each relay in the group to be activated individually LEDs on the Discrete Relay board confirm relay actuation Discrete Relay Ch Bl 1 amp 6 Hlarm Ch Bi Alarm 1 Discrete Relay 1 Discrete Relay Ch 33 46 Alarm 3 Ch 83 Alarm 1 off Discrete Relay Ch 49 64 Fault Ch B84 Alarm 1 off Ch 85 Alarm 1 off Ch i 6 Alarm 1 prr Figure4 2 4 3 PROGRAMMABLE RELAYS PROGRAMMABLE RELAY allows manual actuation of the Programmable Relays Edit while in the Diagnostic mode Highlight the relay to be actuated and press LEDs on the Programmable Relay board confirm relay actuation Programmable FEls H1 Programmable Rly a Programmable R
67. al hardware or configuration problems If an error occurs a message is displayed for that channel 9 1 1 COMM ERROR Comm Error can occur for Modbus or wireless channels This error indicates the data was not received Comm Error can indicate a timeout or an invalid reply from a device Check communication settings for the port used as well as the Data from menu for that channel The ports themselves can be tested from the Diagnostics menu 9 1 2 CONFIG ERROR Config error can occur for Modbus or wireless channels only This error indicates that the Interface selected is configured for something else For example if COM1 is set to Modbus slave and a channel 1 is set with a Source of Modbus 16bit and an Interface of COM1 To correct this either edit the COM port in Communication Settings menu or edit the channel s Interface in the Data From menu 9 1 3 I O Error indicates a problem communicating with the analog input boards This error will affect an entire group of 16 channels at a time assuming they are all setup for analog input Check wiring from the Main 1 0 Board to the affected Analog Input board Verify that the analog input board is setup to for the correct channel group Only a single input board in a system can be set to use each channel group See I O Board Config in the Diagnostics Menu 120 ST 72 Controller Users Manual Revision b 2 0 9 2 RESET TO FACTORY DEFAULTS All ST 72 configuration can be reset
68. annel Config Lock Code Communication Settings Modbus Lock Code Security Unlocked System Diagnostics Figure 2 28 2 6 1 USER NAME Authorized individuals locking the system should first enter a name phone number or other contact information into the 10 digit field so they can be contacted to unlock the unit at a later date 2 6 2 LOCK CODE To lock or unlock the system the correct 4 digit authorization number must be entered into the Lock Code field The ST 72 will ask this 4 digit code to be re entered and then it will be lock Once locked re entering the code will unlock the unit It is very important to record the 4 digit code However if lost the controller may be unlocked by entering the override code 8621 2 6 3 MODBUS LOCK CODE The Modbus database is normally locked The register 40099 is used to unlock the unit and allow writes When written with the unlock code found in the security menu The database unlocks and stays unlocked while writes occur and for 10 minutes of being idle The default Modbus lock code is 1234 2 7 SYSTEM MENU The SYSTEM menu is accessed through the MAIN MENU Some items needing configuration are not specific to a channel but affect the entire ST 72 system These are located in the system entry menu shown in Figure 2 29 System menus are accessed by Edit pointing to the desired item and pressing 43 ST 72 Controller Users Manual Revision b 2 0 Hame Contrast 5 Date 192
69. ate an override Channel channel 0 is disabled 0 64 Override 6 N A 40204 40204 N A 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 2 86 ST 72 Controller Users Manual Revision b 2 0 Override 7 N A 40205 40205 3 6 16 Create override Channel channel 0 is disabled 0 64 Override 7 N A 40206 40206 N A 3 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 8 N A 40207 40207 N A 3 6 16 Create an override Channel channel 0 is disabled 0 64 Override 8 N A 40208 40208 N A 3 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 2 5 38 DISCRETE RELAYS Type Channel First Last Block Read Write Notes Size FC FC Al N A 40220 40220 N A 3 6 16 Makes discrete relays Failsafe boards that use alarm 1 failsafe No 0 Yes 1 2 40221 40221 3 6 16 Makes discrete relays Failsafe boards that use alarm 2 failsafe No 0 Yes 1 A3 N A 40222 40222 N A 3 6 16 Makes discrete relays Failsafe boards that use alarm 3 failsafe No 0 Yes 1 5 3 9 HORN PIEZO Type Channel First Last Block Read Write Notes Size FC FC Alarm 1 N A 40230 40230 N A 3 6 16 Off 0 Mode 2 87 ST 72 Controller U
70. be beneficial in the event of a board failure or if multiple ST 72s must be programmed the same The filename of the saved will be UniteNameDDMMYY cfg where DDMMYY is the current date Saving configuration will overwrite previous saves from the same date It is recommended to backup configuration once a unit is fully configured 2 7 5 4 LOAD CONFIGURATION FILE Once a file is backed up on the SD card it can be loaded back into the ST 72 to change the current configuration to a previous configuration or the SD card can be moved to another unit and the configuration can be copied to the second unit This is done by selecting LOAD CONFIG FILE then select the name and date of the configuration file that is to be copied 2 7 5 5 VIEW LOG FILE TREND VIEW LOG FILE TREND displays historic 24 hours of data using the 24 Hour Trend screen format shown in Figure 1 3 The user selects the date to be displayed and all active channels for that day are loaded into the ST 72 Use the 2 2 to scroll through the 64 channels of Historic data The ST 72 24 Hour Historic Trend data screen is identified by the cyan background color in the graph area All alarm processing is active during viewing of historic trend and if a new alarm becomes present a prompt will ask the user if they would like to continue viewing the historic data or exit this mode and view real time readings 49 ST 72 Controller Users Manual Revision b 2 0 2 7 6 VIEW EVENT LOG The ST
71. do not choose your own addresses or you could cause an address conflict with other devices on the network 10 4 1 ST 72 STATIC IP CONFIGURATIION On the ST 72 in the network settings menu disable DHCP The IP address should be set to 192 168 0 x where x is any number from 0 255 A typical address would be 192 168 0 2 The netmask should be set to 255 255 255 0 The gateway can be left as 0 0 0 0 unless the ST 72 will be accessing ModbusTCP devices outside a router firewall If the ST 72 needs to poll outside devices the gateway IP should be set This is typically the IP address of a router DHCP Enabled Hostname Unit r2 166 Address 192 165 0 2 Hetmazk ZO az az iu a Gateway 5 E Figure 10 5 After making changes to the network settings menu a power cycle is required Make sure to exit the menu before cycling power so that the changes are saved 10 4 2 WINDOWS XP STATIC IP CONFIGURATION These steps are similar but not exactly the same in other versions of windows To connect a PC to a ST 72 using static IP configuration the PC must also be configured First access the PC s network adapter settings In windows XP this can be found in the control panel gt network connections Open the network adapter which is usually called Local Area Connection 125 ST 72 Controller Users Manual Revision b 2 0 Figure 10 6 Click the properties button 126 ST 72 Controller Users Manual
72. e wireless communication to ST 48 RF wireless sensor transmitters See section 7 2 Channel s inputs are configured using the following parameters in the DATA FROM MENU Alarm Alarm SHH Alarm Faw 4508 Fault Alarm Filter Samp le Count 14 Data From Local Cal Board Default Linearize Marker Meru Conf igure Figure 2 17 2 4 4 1 SOURCE toggles the SRC or source entry between Analog Modbus 16bit Modbus 16bit Signed Modbus 32bit Wireless Monitor and Digital Input This parameter tells the ST 72 where the information to be displayed comes from Each 16 channel group can have multiple sources For example if an application needs 12 4 20 inputs 52 Modbus inputs the first 12 channels can be programmed for Analog input and the last 52 channels can be programmed to accept the Modbus inputs For Modbus 16bit a single register will be interpreted as an unsigned 16bit integer For Modbus 16bit signed a single register will be interpreted as a signed 16bit integer For Modbus 32bit 2 consecutive registers are read and interpreted as a 32bit IEEE Floating Point value In 32bit Mode the register value is read directly and not scaled with Min Max Raw parameters 2 4 4 2 MIN RAW amp MAX RAW MIN MAX RAW is the Min Raw and Max Raw counts entries included in Input Data From menus define the range of input counts that provide Measurement Range read out values described in section 2 4 6 2 This menu entry is
73. easurement Name 724 969 Fault Ch 55 Measurement Name 24 969 Fault Ch 57 Measurement Name 24 938 Fault Ch 58 Measurement Name 24 938 Fault Ch 26 Measurement Name 24 938 Fault Ch 27 Measurement Name 25 Fault Ch 28 Measurement Name 25 Fault Ch 10 Measurement Name 86 531 PCTLEL Ch 59 Measurement Name 724 969 Fault Ch 60 Measurement Name 724 969 Fault Ch 43 Measurement Name 725 Fault Ch 44 Measurement Name 725 Fault Ch 29 Measurement Name 724 906 Fault Ch 30 Measurement Name 24 906 Fault Ch 31 Measurement Name 24 969 Fault Ch 32 Measurement Name 24 969 Fault Ch 45 Measurement Name 25 Fault Ch 46 Measurement Name 25 Fault Ch 47 Measurement Name 25 Fault Ch 48 Measurement Name 62 938 PCTLEL Relay Relay Fault Relay D Ch 63 Measurement Name 32 281 PCTLEL Ch 64 Measurement Name 102 313 PCTLEL Figure 8 1 112 ST 72 Controller Users Manual Revision b 2 0 8 2 ZONE SCREEN The webpage s Zone screen Figure 8 2 displays the eight possible zones simultaneously see section 1 3 5 If an alarm condition occurs the user will be able to quickly see in what zone the situation is occurring Each active zone is divided into alarm levels which are green until an alarm is present Inactive zones and alarm levels are grayed out If an alarm should occur the zone name field will flash and the corresponding box in the assigned zone will t
74. ed 0 Standard N A 12020 12020 N A 2 N A Off 0 On 1 doesn t Relay 1 take into account failsafe State Standard N A 12021 12021 N A 2 N A Off 0 On 1 doesn t Relay 2 take into account failsafe State Standard N A 12022 12022 N A 2 N A Off 0 On 1 doesn t Relay 3 take into account failsafe State Fault Relay N A 12023 12023 N A 2 N A Off 0 On 1 doesn t State take into account failsafe Horn Relay N A 12024 12024 N A 2 N A Off 0 On 1 doesn t State take into account failsafe Warmup N A 12025 12025 N A 2 N A Not in warmup 0 In warmup 1 72 ST 72 Controller Users Manual Revision b 2 0 Standard N A 12026 12020 N A N A False 0 True 1 Relay 1 Indicates whether Flashing standard relay 1 has been acknowledged Standard N A 12027 12027 N A N A False 0 True 1 Relay 2 Indicates whether Flashing standard relay 2 has been acknowledged Standard N A 12028 12028 N A N A False 0 True 1 Relay 3 Indicates whether Flashing standard relay 3 has been acknowledged Fault Relay N A 12029 12029 N A N A False 0 True 1 Flashing Indicates whether the fault has been acknowledged Horn Relay N A 12034 12034 N A N A False 0 True 1 Flashing Indicates whether the horn relay has been acknowledged Alarm 1 1 64 13449 135
75. ed 10 0358 Has Two Radio Modules Installed 10 0365 Has Two Radio Modules Installed Figure7 1 7 1 RADIO SETUP MENU Radio modules connected to the ST 72 s communication port may be configured Edit through the RADIO SETUP menu Pressing the key with the arrow pointing to the Radio Setup menu brings the RADIO SETUP menus to the screen right side of Figure 7 2 Function Hor Channel BaudEate System ID 192 Timeout mz Mode Server Poll Delay ims Radio Setur COM1 4 Menus are Identical Figure 7 2 103 ST 72 Controller Users Manual Revision b 2 0 7 1 1 HOP CHANNEL Channel may be set from 1 32 using the ST 72 keypad and assigns the pseudo random radio frequency hopping pattern A transceiver will not go InRange of or communicate with a transceiver operating on a different Hop Channel 7 1 2 SYSTEM ID System ID may be set from 1 255 using the ST 72 keypad and is similar to a password character or network number and makes network eavesdropping more difficult A transceiver will not go in range of or communicate with a transceiver operating on a different System ID 7 1 3 MODE Mode may be set for CLIENT or SERVER For a single ST 72 communicating to up to 64 battery powered ST 48 RF transceivers Mode must Server To prolong battery life ST 48 RFs sleep most of the time and therefore may not be Servers If an application calls for multiple ST 72 locations only one may be set for Server and all others must be
76. et or it may be panel mounted in a rectangular cutout 7 1 x 9 3 Only one 16 channel 1 0 option Boards such as analog input or discrete relays may be mounted directly to the back of the enclosure Additional 16 channel I O option boards must be located external from the assembly on another mounting plate An extension C cable up to 10 is required for this purpose Weight is approximately 7 pounds Properly ground the enclosure and follow national and local electrical codes FRONT VIEW SIDE VIEW Figure 6 1 Rack Panel Mount Panel Mount Bezel Not Shown 95 ST 72 Controller Users Manual Revision b 2 0 6 2 ST 72N4 NEMA 4X LARGE WALL MOUNT FIBERGLASS ENCLOSURE The ST 72N4 shown in Figure 6 2 is a fiberglass NEMA 4X wall mount enclosure Eleven 16 channel I O option boards such as analog input or discrete relays may be mounted inside this enclosure with the addition of a 0010 1269 expansion plate It is suitable for mounting outdoors but an above mounted weather deflector shield is recommended Weight is approximately 55 pounds Figure 6 4 provides important warning information concerning correct grounding procedures for non metallic enclosures Conduit entries are not provided so installers may place entries as needed Bottom or lower side areas are recommended Care must be taken to avoid drilling into circuit boards mounted inside the enclosure Prope
77. f out This higher number of samples causes the channel to react slower to input 2 4 4 4 LOCAL CAL LOCAL CAL is available with the Analog Input option There are three choices Board Default On and Off With the Analog Input option used for both the Analog and Bridge input boards Board Default automatically turns the local calibration feature On for the Bridge input and Off for the Analog Input If there is a need to calibrate a channel locally and the board default is Off it can be manually changed ST 72 CAL MODE features allow pushbutton calibration of zero and span values This feature should be utilized only when there are no other zero span controls within the monitoring system since it is inappropriate to calibrate a signal at more than one point Therefore if calibration is to be performed at another transmitter or monitoring device the ST 72 CAL MODE feature should not be used The CALIBRATION MENU allows entering the correct Cal ZERO amp Cal SPAN set point values needed to calibrate the sensor These are entered in the same engineering units as input range Set Zero amp Set Span controls in this menu allow pushbutton calibration by moving the highlight bar to each and pressing the uu A live reading of the channel s value in the tool tip box allows calibration checks to see if an adjustment is needed Unintentional calibrations are reset by the Set Unity Gain menu item Set Unity Gain resets zero offset to 0 and span gain to 1 I
78. g Units PCTLEL 38 86 38 08 Zero B 48 88 10 80 Sr an iaa 34 68 58 808 Decimal Points B 64 48 66 88 Channel On Yes 78 88 70 00 Zone 1 6 88 56 606 Deadband C4 38 88 28 88 1 Cory To Channel gt Cory To Grour gt Restore Ch Defaults Figure 2 14 26 ST 72 Controller Users Manual Revision b 2 0 2 4 2 ALARM 1 ALARM 2 ALARM 3 MENU The ALARM MENU parameters are listed only once because alarms 1 2 and 3 are identical except 1 does not have the option to change the color it is always yellow and only A3 can be turned off if not needed The following parameters can be accessed while in the ALARM MENUS Alarm SetPoint Alarm 3 Latching Alarm 3 Trir On Fault Alarm On Delay sec3 Data From Off Delas Linearize Horn Drive Conf igure 3 Color Enabled Figure 2 15 2 4 2 1 SETPOINT SETPOINT is the value where the alarm trips It is entered in engineering units For example if a channel monitors 0 50 ppmH2S and the alarm must trip at 10 ppm the correct entry is 10 00 2 4 2 2 LATCHING LATCHING determines either manual or automatic alarm reset operation YES requires a manual Alarm Reset to unlatch the alarm even though an alarm condition no longer exists YES also causes this alarm group s common relay front panel LED and optional discrete relay to latch NO allows all outputs for this alarm to automatically reset as soon as the alarm condition clears 2 4 2 3 TRIP ON TRIP O
79. grammable Programmable Programmable Programmable Programmable TJ C CD E LG Figure 2 8 21 ST 72 Controller Users Manual Revision b 2 0 2 31 STANDARD RELAY 1 2 AND Every ST 72 comes standard with three programmable relays that the user can individually program to suit their needs This is achieved through the STANDARD RELAY menus accessed from the ALARM OUTPUTS menu Only one Standard Relay menu screen is shown in Figure 2 9 because all the standard relay s menus are identical Under the STANDARD RELAY menu the user can configure the following Standard Felay Al Votes Feauired Standard Felay Hz Wotes Feauired B Standard Felay 3 H3 Wotes Eeauired B Horne Piezo Acknowledge Ha Discrete Relay Failsafe Ha Programmable Felay Fone 1 Yes Override 1 Channel B Standard Relay and Programmable Relay Menus are Identical Figure 2 9 2 3 1 1 A1 A2 amp A3 VOTES REQUIRED A1 Votes Required A2 Votes Required amp A3 Votes Required are the number of A1 A2 amp A3 level alarms that must be present for the relay to activate This allows creation of logical AND function equations that control standard relays Default settings for standard relay 1 are A1 Votes 01 A2 Votes 00 amp Votes 00 which causes relay 1 to trip if any channel has an A1 level alarm active Default settings for standard relay 2 are A1 Votes 00 A2 Votes 01 amp Votes 00 which causes relay 2 to trip if any channel has an A2 le
80. hannel channel 0 is disabled 0 64 80 ST 72 Controller Users Manual Revision b 2 0 Override 4 N A 40120 40120 N A 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 5 40121 40121 6 16 Create override Channel channel 0 is disabled 0 64 Override 5 N A 40122 40122 N A 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 6 40123 40123 6 16 Create override Channel channel 0 is disabled O 64 Override 6 N A 40124 40124 N A 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 7 40125 40125 6 16 Create override Channel channel 0 is disabled 0 64 Override 7 N A 40126 40126 N A 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 8 40127 40127 6 16 Create override Channel channel 0 is disabled 0 64 81 ST 72 Controller Users Manual Revision b 2 0 Override 8 N A 40128 40128 3 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 5 3 6 STANDARD RELAY 2 Type Channel First Last Block Read Write Notes Size FC FC 1 Vo
81. hen transmits between 4 0mA 5 0mA for five seconds depending on remaining sensor life where 4 0mA 0 and 5 0mA 100 remaining sensor life The ST 72 reads this value and records it as the channel s Sensor Life Sensor Life is stored in the ST 72 Modbus database and displayed as a bar graph in the Sensor Info screen see section 2 7 7 It is a useful tool for planning sensor replacement schedules Then 4 5mA for 5 seconds Monitoring 4mA for 10 seconds after Cal Exit Monitoring Mark As 6 digit field indicated Cal Marker detected on readouts Cal Marker event expires Figure 2 19 2 4 4 6 REMOTE ID When the Data From is set to receive input through the Communications ports this is where the salve s unique ID number is entered Remote ID numbers up to 247 are valid 2 4 4 7 ALIAS The Alias register numbers define the location of the variable representing the input value of the Modbus data received through the Communications ports This number must be obtained from the manufacturer of the Modbus RTU device 2 4 4 8 INTERFACE The nterface assigns what communication port the Modbus slave or Wireless radio is connected to and the channel will get its data from The communication port that is assigned here must be configured as a Modbus Master or Wireless Monitor in the Communications Menu see section 2 5 1 2 4 4 9 SLAVE BYTE ORDER If Modbus 32 BIT is selected a Byte Order entry appears at the bott
82. her using JP5 as shown This creates an OR function with selected channels causing any alarm included within the zone to actuate ALL zoned relays Failsafe operation of 10 0345 discrete relays may be programmed in the system configuration menu as described in section 2 3 3 Many ST 72 applications utilize the five standard alarm relays see section 3 0 and sixteen optional programmable relay board and do not require discrete relays for each of the 64 alarm events 64 15 64 25 64 A3s amp 64 Faults If discrete relays are needed for all 64 alarms then sixteen boards are required Each 10 0345 is powered with 24 VDC at TB3 and TB4 5 provides an open collector failure detection output If communication is lost with the CPU board or if the relay board s processor fails the positive terminal of TB5 is pulled low All relays are rated at 5 Amp for 28 VDC and 250 RESISTIVE loads IMPORTANT Appropriate diode DC loads or MOV AC loads snubber devices must be installed with inductive loads to prevent RFI noise spikes Relay wiring should be kept separate from low level signal wiring 56 ST 72 Controller Users Manual Revision b 2 0 LEDs indicate board configuration TB3 amp TB4 24VDC inputs are tied together making daisy chaining L the options easier J3 amp J4 are interchangeable I2C connectors used to add other option PC
83. hronize their hopping to the Server The Server transmits a beacon at the beginning of every hop 50 times per second Client transceivers listen for this beacon and upon hearing it will indicate InRange with the LED on the radio modem board and synchronize their hopping with the Server Each network should consist of only one Server There should never be two servers on the same RF Channel number in the same coverage area as the interference between the two servers will severely hinder RF communications The Server must be in a powered location as opposed to a battery powered ST 48 RF utilizing a sleep mode and Servers typically should be centrally located since all Clients must receive the beacon in order to communicate 102 ST 72 Controller Users Manual Revision b 2 0 EB LL si e4VDC ANTENNA RADIO A RADIO B E 5 51 S p MODULE Gr 000 ANTENNA X od e RADIO MODULE a mp p Do on A RX RX E TR ve MORE ae g n b ooog 02222 IHH Owe O o us 0 2 4 GHz Radio Modem 900 MHz Radio Modem Note Note 10 0357 Has One Radio Module Installed 10 0364 Has One Radio Module Install
84. igure 2 18 While active the ST 72diplays a 6 digit ASCII message to indicate the special event and if equipped with 10 0348 4 20mA output option the ST 72 also transmits the same lt 4 value Harker Enabled Min Faw Marker Max Faw Mark as Femote ID Sensor Life Interface Marker Menu Figure 2 18 2 4 4 51 Marker Enabled Turns the marker feature ON and OFF 2 4 4 5 2 Marker The negative Marker value is entered into the Marker field as a negative percent of full scale For example 15 62 of full scale detects a marker value of 1 5mA 1 5mA is 15 62 of full scale when 4 20mA is the range Marker mode is active when the input value reads the Marker 96 196 of full scale 2 4 4 5 Mark As The Mark As menu allows user entry of the 6 digit ASCII message to be displayed when the marker is detected 2 4 4 5 4 Sensor Life Sensor Life should only be activated when the Marker event is Calibration and when a sensor life value is transmitted after each calibration This feature is provided primarily 31 ST 72 Controller Users Manual Revision b 2 0 for use when interfacing the ST 72 to R C Systems ST 48 Sensor Transmitters which may be configured to transmit sensor life values after each calibration Figure 2 19 For Sensor Life to record properly the monitor must perform as follows After the Calibration Marker interval 4 0mA transmits for 10 seconds to indicate its calibration mode is complete The monitor t
85. in another area The Zone menus may restrict this For example channels 1 32 might be set to trip standard relay 1 while channels 33 64 trip standard relay 2 This is done by assigning channels 1 32 to zone 1 and channels 33 64 to zone 2 and turning only zone 1 to YES for Standard relay 1 and only zone 2 to YES for standard relay 2 Another possibility is channels 1 32 be set to trip standard relay 1 while channels 33 64 trip relays on an optional discrete relay PCB configured for Alarm 1 see section 3 2 2 2 3 1 5 OVERRIDE CHANNELS 1 8 Override allows entering one of the 256 different alarms that will trip this relay regardless of the Votes or Zone entries There are four alarms per channel and 64 channels and any one of these alarms may be used as the Over Ride This feature is useful when one channel s alarm has more significance than the others Up to eight override alarms may be entered per relay 2 3 2 HORN PIEZO The ST 72 is equipped with a low decibel audible piezo which chirps when keys are pressed and may be configured to audibly indicate alarm conditions The standard horn relay is similar to the standard 1 amp 2 relays Standard Relay Alarm 1 Standard Felay Alarm 2 Standard Felay Alarm 3 HornePiezo Acknowledge Discrete Rela Failsafe Programmable Felay Piezo Alarm Figure 2 10 2 3 2 1 A1 A2 amp A3 Alarm 1 Alarm 2 amp Alarm 3 menus control how this alarm level from each channel will affect the standard horn
86. ion Bridge 4 20mA jumper into 4 20 position and installing the associated precision 100 ohm socketed resistor allows 4 20 signals to be applied to its C amp A terminals The 10 0192 sensor modules are not required for channels accepting 4 20mA Channels receiving input data from this board should have the Data From menu set for Analog Input as described in section 2 4 4 The board default activates Mode described in section 2 4 4 4 needed to zero and span sensor readings After performing the one time only nitial Setup as described below all subsequent calibrations are by the ST 72 s electronic Cal Mode menus 57 ST 72 Controller Users Manual Revision b 2 0 Catalytic sensors connected directly to the ST 72 should be limited to ranges of 0 1000ppm 3 2 4 BRIDGE SENSOR INPUT BOARD INITIAL SETUP Catalytic bead sensors vary widely in power requirements and sensitivity It is therefore important to configure each channel to match the sensor with which it will operate 1 A Prior to connecting sensors apply power to the system Note this board requires 24VDC power be connected to its TB3 or TB4 terminals 1 amp 2 as shown in Figure 3 4 Measure the voltage between each channel s A and R terminals and set the Voltage Adjust potentiometers for the correct sensor excitation voltage This may range from 1 5 volts to 7 5 volts depending upon sensor specifications Sensors may be damaged by accidental over voltage condi
87. ions offered 900 MHz and 2 4 GHz 900 MHz is available a single port modem 10 0364 or dual port modem 10 0365 2 4 GHz is also available in a single port 10 0357 or dual port modem 10 0358 The dual port radio modems have two radio modules installed and can be used to receive and transmit data simultaneously The radio kit options allow three separate modes of wireless operation These are Wireless Monitor section 7 2 accepting data from ST 48 RF sensor transmitters Wireless Modbus Slave section 7 3 providing data to a Modbus master master side of network requires additional radio and Wireless Modbus Master section 7 4 accepting wireless data from Modbus slaves slaves side of network requires additional radio When used in the Wireless Receiver mode the radio must be connected to a port configured for WIRELESS MONITOR wireless Modbus Master mode requires the radio be connected to the ST 72 s RS 485 port configured for MODBUS MASTER and Wireless Modbus Slave mode connects it to the RS 485 port configured for MODBUS SLAVE Section 2 5 1 1 It is important to remember RADIO SETUP functions described in section 7 1 may be performed from the COMMUNICATION SETTINGS menu Each transceiver on a wireless network must have their RADIO SETUP menus configured to share the same hopping channel 0 32 and System ID 0 255 to communicate All R C Systems wireless transceivers utilize a Server Client network where Clients sync
88. ists for the associated channel and de energized coils when the alarm occurs Failsafe is useful for indicating failed relay coils and loss of power conditions Standard Felay Al Failsafe Standard Rela Hz Failsafe Standard Rela AS Failsafe Horne Piezo Discrete Relay Programmable Felay Figure 2 11 24 ST 72 Controller Users Manual Revision b 2 0 2 3 4 PROGRAMMABLE RELAY The 10 0350 Programmable relay option board may be added if the user needs sixteen more programmable relays in addition to the three standard relays These 16 relays are configured through the PROGRAMMABLE RELAY menus accessed from the ALARM OUTPUTS menu show in Figure 2 12 Only one Programmable Relay menu screen is shown because all the Programmable relay s menus are identical Under the PROGRAMMABLE RELAY menu the user can configure the same parameters as STANDARD RELAYS discussed in section 2 3 1 Standard Relay Programmable Standard Relay 2 Programmable Relay Al Votes Reauired AZ Wotes Reauirecd Ba AS Wotes Reauirecd Ba 1 z Standard Relay 3 Programmable Relay 3 4 HornzPiezo Programmable Relay Acknowledge Ho Discrete Relay Programmable Relay Failsafe Ho Programmable Relay Brd i Zone 1 Yes Programmable 1 16 Override 1 Channel B Standard Relay and Programmable Relay Menus are Identical Figure 2 12 2 4 CHANNEL CONFIGURATION ENTRY MENU CHANNEL CONFIGURATION is accessed through the MAIN MENU
89. itten All written parameters can be saved manually by writing a value of 1 to coil 95 or register 40095 Writing parameters that span multiple registers such as 32bit floating points requires function code 16 All of the registers must be written at once 5 3 MODBUS SLAVE REGISTER LOCATION The following tables describe the ST 72 s Modbus slave database Any portion of this data may be read by a Modbus master device such as a PC PLC or DCS Since the Modbus port is RS 485 many ST 72s may be multi dropped onto the same cable 71 ST 72 Controller Users Manual Revision b 2 0 5 3 1 COILS All coils are duplicated in the holding register table These values can be read or written using either the coil register or the holding register Actions Alarm N A 1 1 N A 1 5 Write 1 to simulate pressing Reset the alarm reset button Save N A 95 95 N A 1 5 Saves configuration now Config Config N A 96 96 N A 1 5 This register is set to 1 when Changed configuration parameter has changed The user can clear it by writing 0 5 3 2 DISCRETE INPUTS All discrete inputs are duplicated in the input register table either discrete register or the holding register These values can be read using Type Channel First Last Block Read Write Notes Size FC FC Lock Status N A 12005 12005 N A 2 N A Indicates the lock state for Modbus writes Locked 1 Unlock
90. izontal separation If mounting near another antenna cannot be avoided mounting it beneath or above the other antenna is better than mounting beside it Using different polarity to the other antenna if possible will also help to isolate the RF coupling 7 5 4 COAX CABLES If a coax cable connects to the antenna via connectors it is very important to weatherproof the connection using our 1000 2314 or equivalent sealing tape Moisture ingress into a coax cable connection is the most common cause of problems with antenna installations A three layer sealing process is recommended an initial layer of electrical PVC tape followed by a second layer of self vulcanizing weatherproofing tape 1000 2314 with a final layer of electrical PVC tape Allowing a drip U loop of cable before the connection is also a good idea The loop allows water to drip off the bottom of the U instead of into the connection reduces installation strain and provides spare cable length in case later the original connectors need to be removed the cable cut back and new connectors fitted Avoid installing coax cables together in long parallel paths Leakage from one cable to another has a similar effect as mounting an antenna near another antenna 7 6 SURGE PROTECTION amp GROUNDING Voltage surges can enter the ST 72 via the antenna connection power supply connection connections to other equipment and even the earth or ground connection Surges are e
91. lectrical energy following a path to earth and the best protection is achieved by draining the surge energy to earth via an alternate path 108 ST 72 Controller Users Manual Revision b 2 0 Wireless devices need to have a solid connection to earth via a ground stake or ground grid if the soil has poor conductivity Solid connection means a large capacity conductor not a small wire with no coils or sharp bends All other devices connected to the ST 72 need to be grounded to the same ground point There can be significant resistance between different ground points leading to very large voltage differences during lightning activity As many wireless units are damaged by earth potential surges due to incorrect grounding as direct surge voltage It is very difficult to protect against direct lightning strikes but the probability of a direct strike at any one location is very small Unfortunately power line surges and electromagnetic energy in the air can induce high voltage surges from lightning activity several miles away 7 6 1 ANTENNA GROUNDING Electromagnetic energy in the air will be drained to ground via any and every earth path An earth path exists between the antenna and the ST 72 and to protect against damage this earth path current must be kept as small as possible This is achieved by providing better alternate earth paths It is important to ground the antenna to the same ground point as the ST 72 Antennas are normally mounted
92. ller Users Manual Revision b 2 0 2 5 2 MODBUS TCP SETTINGS COM Settings Slave Byte Order 2 Settings Master Timeouttms3 58 COMS Settings Master Poll Delasrmz 25H COM4 Settings ModbusTCP Settings Hetwork Settings Troubleshooting Figure 2 24 2 5 2 1 SLAVE BYTE ORDER If Modbus Slave is selected a BYTE ODER entry appears in the menu This determines WORD and BYTE alignment of data at the remote Modbus transmitter when Edit sending its 4 byte IEEE Floating Point values With the select bar on this entry the toggles between the 4 possible modes Min Max Raw values are not used in this mode 2 5 2 2 MASTER TIMEOUT The time in milliseconds before the unit gives up on a Modbus request and moves on to the next channel After three consecutive timeouts the channel enters the COM Error state 2 5 2 3 MASTER POLL DELAY The time in milliseconds the unit will delay between Modbus master requests 2 5 3 NETWORK SETTINGS See section 10 for integrating a ST 72 into an Ethernet network CO M1 Settings DHCF Enabled COM Settings Hostname Cantralleri COMS Settings Address 197 163 6168 COM4 Settings ta D as c ul ModbusTCP Settings Gateway 132 168 8 1 Hetuark Settings Troubleshooting Figure 2 25 40 ST 72 Controller Users Manual Revision b 2 0 2 5 3 1 DHCP ENABLED Enable this parameter to allow the IP address to be set automatically by an external DHCP server When this paramete
93. loads or MOV AC loads snubber devices must be installed with inductive loads to prevent RFI noise spikes Relay wiring should be kept separate from low level signal wiring 1 4 2 AMBIENT TEMPERATURE RANGE 25 to 60 degrees C 1 4 8 HUMIDITY RANGE O TO 9096 R H Non Condensing 1 44 ALTITUDE Recommended up to 2000 meters 1 4 5 HOUSINGS General purpose panel mount weighing 7 lbs and including hardware for 19 rack mounting e Figure 6 1 NEMA 4X wall mount in fiberglass enclosure weighing 54 Ibs e Figure 6 2 Includes non intrusive magnetic keypad 1 4 6 NON INTRUSIVE MAGNETIC KEYPAD m 5 72 operator interface includes eight front panel touch keys m a sa J 5 ba A lt Th gt A magnetic keypad option offers these eight keys with adjacent magnetic keys This option is included as a standard feature It is useful applications where it may be inconvenient to open the enclosure s door to access the touch keypad 10 ST 72 Controller Users Manual Revision b 2 0 1 47 APPROVALS C22 2 No 142 M1987 Process Control Equipment CAN CSA C22 2 No 152 M1984 Combustible Gas Detection Instruments ANSI ISA 12 13 01 2000 Performance Requirements for Combustible Gas Detectors CSA C22 2 No 213 1987 Non Incendive Electrical Equipment for Use in Class 1 Division 2 Hazardous Locations UL Std No 1604 Third Ed 1994 Electrical Equipment for Use in Class and II Division 2 Class
94. ly AS Programmable Fly a4 Programmable R125 85 Programmable Fl y 16 Figure 4 3 65 ST 72 Controller Users Manual Revision b 2 0 4 4 ANALOG INPUTS By selecting a channel group you can VIEW INPUTS or CALIBRATE BOARD p Raw Counts Raw Counts Ch 81 01456 Ch 69 001258 2 002248 Ch 18 001682 Ch d3 883188 1 0026954 Ch d4 0617927 12 Ch d5 885859 Ch 13 002451 Analog Input Ch 81 186 View Inputs Input Calibrate Board Input Input Ch 5 01862 14 0081256 Ch B75 ami 24 15 602799 Ch 8 902192 Ch 16 861568 Calibrate Calibrate Calibrate Calibrate Calibrate Figure 4 4 4 41 VIEW INPUTS The channel inputs are displayed as raw counts and can be useful for trouble shooting These counts have no calibration applied to them so the user can see if a particular channel s Analog to Digital counts 4 4 2 CALIBRATE BOARD Initial calibrating of each analog input channel is done at the factory by selecting each channel one at a time and applying 20mA The analog input board self adjust its output and stored this value in non volatile memory 66 ST 72 Controller Users Manual Revision b 2 0 4 5 ANALOG OUTPUTS If the ST 72 is equipped with an analog output option board the output can be manually stimulated by selecting the channel group then the channel to be ramped up Pressing Edit the increases the outpu
95. m 2 1 Alarm 3 2 Override 4 N A 19 N A 6 16 Create an override channel 0 is Channel disabled 0 64 Override 4 N A 20 N A 6 16 Alarm for this override channel Alarm to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 5 21 6 16 Create override channel 0 is Channel disabled 0 64 ST 72 Controller Users Manual Revision b 2 0 Override 5 N A 22 N A 3 6 16 Alarm for this override channel Alarm to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 6 N A 23 N A 3 6 16 Create an override channel 0 is Channel disabled 0 64 Override 6 N A 24 N A 3 6 16 Alarm for this override channel Alarm to use Alarm 1 0 Alarm 2 1 Alarm 3 2 2 Override 7 N A 25 N A 3 6 16 Create an override channel 0 is Channel disabled 0 64 Override 7 N A 26 N A 3 6 16 Alarm for this override channel Alarm to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 8 N A 27 N A 3 6 16 Create an override channel 0 is Channel disabled 0 64 Override 8 N A 28 N A 3 6 16 Alarm for this override channel Alarm to use Alarm 1 0 Alarm 2 1 Alarm 3 2 94 ST 72 Controller Users Manual Revision b 2 0 SECTION6 ENCLOSURE OPTIONS 6 1 ST 72PM PANEL RACK MOUNT ENCLOSURE The ST 72PM shown in Figure 6 1 is a half width 19 rack enclosure It is supplied with hardware that allows mounting in either a 1 2 width 19 rack style cabin
96. m screen use the mouse to click on any cell to go directly to that channel s individual data screens The unused channels are grayed out when turned off Viewing only channels belonging to a certain zone can be enabled using the zone drop down box Selecting a zone will cause channels belonging to other zones to dim The System screen is updated automatically every 15 seconds SYSTEM ZONE CHANNEL EVENT LOG CONFIGURE Ch 1 Measurement Name 49 344 PCTLEL Ch 33 Measurement Name 25 Fault Ch 34 Measurement Name 25 Fault Ch 49 Measurement Name 724 938 Fault Ch 50 Measurement Name 24 969 Fault Ch 3 Measurement Name 94 281 PCTLEL Ch 4 Measurement Name 97 375 PCTLEL Ch 19 Measurement Name 25 Fault Ch 20 Measurement Name 25 Fault Ch 51 Measurement Name 24 938 Fault Ch 52 Measurement Name 24 969 Fault Ch 35 Measurement Name 25 Fault Ch 36 Measurement Name 25 Fault Ch 21 Measurement Name 24 969 Fault Ch 22 Measurement Name 25 Fault Ch 5 Measurement Name 102 156 PCTLEL Ch 6 Measurement Name 55 969 PCTLEL Ch 7 Measurement Name 94 719 PCTLEL Ch 37 Measurement Name 25 Fault Ch 38 Measurement Name 52 844 PCTLEL Ch 23 Measurement Name Ch 39 Measurement Name 24 969 Fault 25 Fault ICh 24 Measurement Name Ch 40 Measurement Name 27 937 PCTLEL 25 Fault Ch 25 Measurement Name Ch 41 Measurement Name 24 938 Fault 25 Fault Ch 42 Measurement Name 25 Fault Ch 54 M
97. minals as shown in Figure 3 5 Since the board has 16 channels four are required for 64 channel applications 59 ST 72 Controller Users Manual Revision b 2 0 The analog output board has a failure detection circuit If the output board s processor fails or if communication is lost with the CPU board then the outputs of all channels go to OmA LEDs indicate board wv configuration S o E 2 13 amp 14 are interchangeable US 9 H 12 connectors used to add Ji j 4 option PCB assemblies to C the ST 72 TB3 amp 24VDC 3 alle J4 inputs are tied together 24VDC BIS 24VDC m making daisy chaining L the options easier TE DES TBI TBe 4 01717 09 25 S i 33749 41 57 S 02 18 026 S 34 50 4e 58 S 03 19 vez Sh 35 51 43 59 04720 2 28 S i 36752 44 60 S 2 3 29 G i e 45 61 G a 42 4 30 Qh o 46 62 4 07 23 5 21 S 39 55 47 63 F 08 24 6 32 S i 40 56 48 64 57 72 4 20mA llutput Board 2 ev R 0010 1265 ASSY 10 0348 Figure 3 5 3 2 6 OPTIONAL PROGRAMMABLE RELAY BOARD 10 0350 An optional Programmable Relay B
98. n boards have 16 channels and therefore require multiple boards for 64 channel applications In addition to traditional analog and serial methods of providing monitored values the ST 72 is also capable of sending and receiving wireless data A color 320 x 240 pixel graphic LCD readout displays monitored data as bar graphs trends and engineering units System configuration is through user friendly menus or via the internal webpage that can be accessed through the Ethernet connection built into the main I O Board configuration data is retained in non volatile memory during power interruptions and can also be backed up and loaded using the SD card located to the left of the display The ST 72 front panel is shown below in Figure1 1 displaying the Combination screen Additional data screens are shown in section 1 ST 72 Controller Users Manual Revision b 2 0 DO NOT REMOVE WHEN LED IS ON Hax 25 Hua 5 3 2 Zero SrFan ltid lag 27 24 21 18 15 12 93 6 SD Card Serial No Standard Standard Standard Fault Relay 1 Relay 2 Relay 3 Relay 72 1020 Figure1 1 1 3 DATA DISPLAY SCREENS The ST 72 Controller offers five distinct graphic displays for depicting the monitored data These are Main Data 24 Hour Trend Bar Graphs Zone and Combination Screens Pressing from any of these display screens will bring you to the Main Menu Pressing from the Main Data 24 Hour
99. n or odd Parity bits are used as the simplest form of error detecting code The default is None 2 5 1 4 TIMEOUT The Master TIMEOUT menu item affects the ST 72 s master Modbus ports TIMEOUT is the length of time in milliseconds the controller waits before a Modbus request fails Three consecutive failed requests must occur before a communication error is indicated This item is useful for optimizing throughput to the ST 72 from other slave RTUs 2 5 1 5 POLL DELAY The time in milliseconds the unit will delay between Modbus master requests 2 5 1 6 SYMPATHY ENABLED The sympathy feature allows multiple ST 90 Quad controllers communicating on the same communication port to go into an alarm condition simultaneously when any one ST 90 controller detects an alarm condition If SYMPATHY ENABLED is set to YES then the ST 72 controller which is the master in the network broadcasts alarm flags to all ST 90s in the network ST 90 controllers that are configured to react to these flags then energize their relays configured to trip for that alarm The following sympathy parameters only show up if sympathy is set to YES 38 ST 72 Controller Users Manual Revision b 2 0 2 5 1 6 1 FAULT TRANSMIT When set to YES the ST 72 broadcasts the Fault alarm flag out of the communication port This option is only available if SYMPATHY ENABLED is set to YES 2 5 1 6 2 A1 TRANSMIT When set to YES the ST 72 broadcasts the alarm 1 alarm flag out of the c
100. name is limited to 16 characters 2 7 2 2 CONTRAST The Configure menu item identified as CONTRAST allows users to adjust the LCD contrast to a level suitable to the ambient lighting Selecting CONTRAST and pressing Edit A v causes the keys to increase and decrease LCD contrast 2 7 2 3 DATE amp TIME Adjust the date and time here for use in DATA and EVENT LOGGING This is a factory setting but may need to be adjusted for the end users location 2 7 2 4 ENABLE CHANNEL COUNT For applications that do not need 64 channels the ST 72 can be configured to display 16 32 or 48 With fewer channels to be displayed in MAIN DATA screen the cells expand for better resolution 2 7 2 5 DISPLAY ALARM Utilizing the display alarm feature in the System menu allows the ST 72 controller to force the LCD to the MAIN DATA or ZONE screens when an alarm level is reached This proves to be useful if channel or zone must be displayed when in alarm The MAIN DATA screen is the default alarm screen from the factory 2 7 2 6 WARMUP amp CAL PURGE TIME WARMUP amp CAL PURGE TIME are available to prevent unwanted alarm trips during these times This time can be adjusted up to five minutes for sensors that take a long time to warmup or drift back down after a calibration 2 7 2 7 ZONE SCREEN ENABLED In some applications all points are linked together in one large ZONE so the ZONE screen does not need to be displayed Turning ZONE SCREEN EN
101. nd span values for that channel The zero and span can be used when creating plots Another line exists for each minute of the day Those lines are time stamped with the hour and minute The numeric format of the MIN MAX and AVG values are based on channel settings The decimal precision is the same that is viewed from the unit This can be adjusted with the decimal points parameter in each channel s Configure menu The SD Card can store more than 1 year of historical data but backups of the card should be performed on occasion Backing up logs requires removing the SD card and inserting it in a PC that has a card reader interface us cw cw Card Status OK Logger Enabled Save Confia File Load Config File Lod File Trend Version Conf igure Zone Hames Mimic Mode VY cb SD Card Wiew Event Log Clear Event Log Wiew Sensor Life o Figure 2 34 2 7 5 1 CARD STATUS When the SD card is properly inserted into the card slot CARD STATUS will display OK If the SD card is removed or becomes corrupt the green LED Figure1 1 will blink continuously and CARD STATUS will say CARD NOT FOUND 48 ST 72 Controller Users Manual Revision b 2 0 2 7 5 2 LOGGER ENABLED Enabling the Data Logger allows the ST 72 to record the channel data for all active channels 2 7 5 3 SAVE CONFIGURATION FILE By selecting SAVE CONFIG FILE the current configuration file will be backed up on the SD card This can
102. nected data device is remote from the wireless unit requiring a long data cable As the data device and the wireless unit cannot be connected to the same ground point different earth potentials can exist during surge conditions There is also the possibility of surge voltages being induced on long lengths of wire from nearby power cables Surge diverters can be fitted to the data cable to protect against surges entering the wireless unit The same principle applies to 1 0 device is not close to the wireless unit the risk of surge increases Surge diverters for I O wiring are available to protect the wireless unit 110 ST 72 Controller Users Manual Revision b 2 0 SECTION8 WEBPAGE All ST 72 controllers come standard with an embedded webpage The webpage gives remote access to view and configure parameters inside the controller There are two levels of security clearance The first level allows the user to view channel status and configuration while the second level allows the user to change configuration parameters directly from the computer The webpage requires a modern web browser Supported browsers include Internet Explorer 8 Google Chrome or Mozilla Firefox 2 Viewing pages in an outdated browser will result in improperly drawn pages In order to view the webpage first the user must know the IP address or if DHCP enabled the controller s hostname This information can be viewed from the Network Settings menu see section 2
103. ng No 0 Yes 1 Zone 3 N A 40107 40107 3 6 16 Use zone 3 channels for Enable voting No 0 Yes 1 Zone 4 N A 40108 40108 3 6 16 Use zone 4 channels for Enable voting No 0 Yes 1 79 ST 72 Controller Users Manual Revision b 2 0 Zone 5 N A 40109 40109 N A 6 16 Use zone 5 channels for Enable voting No 0 Yes 1 Zone 6 N A 40110 40110 N A 6 16 Use zone 6 channels for Enable voting No 0 Yes 1 Zone 7 N A 40111 40111 N A 6 16 Use zone 7 channels for Enable voting No 0 Yes 1 Zone 8 N A 40112 40112 N A 6 16 Use zone 8 channels for Enable voting No 0 Yes 1 Override 1 N A 40113 40113 N A 6 16 Create an override Channel channel 0 is disabled 0 64 Override 1 N A 40114 40114 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 2 40115 40115 6 16 Create override Channel channel 0 is disabled 0 64 Override 2 N A 40116 40116 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 3 N A 40117 40117 N A 6 16 Create override Channel channel 0 is disabled 0 64 Override 3 N A 40118 40118 6 16 Alarm for this override Alarm channel to use Alarm 1 0 Alarm 2 1 Alarm 3 2 Override 4 N A 40119 40119 6 16 Create override C
104. nput gets above the programmed deadband level 2 4 6 7 COPY TO CHANNEL This menu simplifies the Setup procedure by allowing similar channels to be copied from one to another For example if some channels are identical except for the Measurement Name entry one channel could be configured and copied to the other channels that are the same Only Measurement Name then must be configured on the Edit A Ww Edit copied channels Use and 7 to select channel numbers once more to copy 2 4 6 8 COPY TO GROUP This menu simplifies the Setup procedure by allowing one channel to be copied to a whole group of channels For example if some groups of 16 channels are identical except for the Measurement Name entry one channel could be configured and copied to the whole group at one time Only Measurement Name then must be configured on Edit b d the copied channels Use to select the group to be copied then Edit point to Copy Now Press 2 4 6 9 RESTORE CH DEFAULTS This menu allows the user to reset a specific channel to factory defaults without affecting any other channels This is useful if a channel must be changed to a different input All channel configuration will be reset and the user can configure the new parameters from the factory defaults A confirming dialog box will appear before the channel is reset protecting against an accidental restore once more to copy 35 ST 72 Controller
105. nt pas zx Measurement Oxygen AI Measurement Measurement ESS p Measurement ES Measurement Measurement Measurement pu E Measurement T Measurement T Measurement SSS Measurement Figure 2 37 51 Measurement Measurement Measurement Mr Measurement gt ST 72 Controller Users Manual Revision b 2 0 SECTION3 INPUT OUTPUT BOARDS 3 1 MAIN I O INTERFACE BOARD 10 0331 The most basic ST 72 Controller requires only the I O Board shown in Figure 3 1 for interfacing to field wiring The ST 72 primary power supply is applied to terminals 1 amp 3 and 5 amp 7 of TB4 This may be from 10 30 VDC WARNING HIGH VOLTAGES SUCH AS 115 VAC APPLIED TO THESE TERMINALS MAY CAUSE SEVERE DAMAGE DC output terminals 2 amp 4 and 6 amp 8 on 4 provide up to 500 of fused output power for powering remote devices such as lamps transmitters etc This Board includes two RS 485 ports that can be independently configured either master or slave one Ethernet port five Standard SPDT 5A relays consisting of one dedicated HORN and FAULT relay plus 3 programmable alarm relays and power supply I O terminals The Ethernet port allows the unit to be a ModbusTCP Master and Slave and also provides access to the embedded webpage The failsafe Fault circuit detects firmware and CPU failures along with transmitter failures JP1 allows the RS 485 p
106. ntrolleri e Address 192 168 8 188 i Hetmask 235 235 255 0 Cont isure Gateway 192 168 0 1 Zone Names SD Card View Event Log Clear Event Log View Sensor Life gt See Figure 2 4 Discrete Relays Programmable Relays Analog Inputs Analog outputs Pieza LEDs Serial Ports 170 Board Config gt See Figure 2 5 2 7 Figure 2 1 13 ST 72 Controller Users Manual Revision b 2 0 Latching Ho Trie On High On Delay sec a Off Delay a Horn Drive Yes Latching Ho Trie On High On Delay sec a Off Delay a Horn Drive Color Red SetPoint Latching Ho Trie On High On Delay sec a Off Delay min a Horn Drive Yes Color Red Enabled Ho Alarm 2 Alarm 3 Fault Alarm See Figure 2 1 Data From Linearize TL TL LL Configure Min Raw sua Hax Raw 48088 Filter Sample Count ig See Figure 2 3 Local Cal Board Default Marker Menu gt 18 68 16 08 28 88 28 88 38 88 3 88 48 88 48 88 58 88 5 88 60 08 68 68 78 68 70 00 88 88 38 68 58 88 58 88 Engineering Units PCTLEL Zero a Spar 188 Decimal Points Channel On Ves gt See Figure 2 3 Zone 1 Deadband 3 1 Cory To Channel Cory To Grour Restore Ch Defaults Figure 2 2 14 See Fig
107. oard shown in Figure 3 6 adds 16 programmable 5 amp resistive form C relays per 16 channel alarm board Each relay may be configured via the Alarm Outputs Menu in the ST 72 Main Menu for ALARM 1 VOTES ALARM 2 VOTES ALARM 3 VOTES ACKNOWLEDGE FAILSAFE ZONES and OVERRIDES Each relay can be individually programmed for any channel or combination of channels using the zone and override parameters Many ST 72 applications need more than the five standard relays that are provided on the Main 1 0 Board but do not need a separate 60 gt ST 72 Controller Users Manual Revision b 2 0 relay contact for each channel The Programmable Relay Board is a viable cost effective option It gives the flexibility of an additional 16 fully programmable relays Each 10 0350 is powered with 24 VDC at TB3 and TB4 Each relay has a LED associated with it indicating whether the relay is energized An illuminated LED indicates energized relays TB5 provides an open collector failure detection output If communication is lost with the CPU board or if the relay board s processor fails the positive terminal of TB5 is pulled low All relays are rated at 5 Amp for 28 VDC and 250 VAC RESISTIVE loads IMPORTANT Appropriate diode DC loads or MOV AC loads snubber devices must be installed with inductive loads to prevent RFI noise spikes Relay wiring should be kept separate from low level signal wiring o doa aoa DL J2
108. oard configuration screen shows all connected I O options This is also the menu where the user must go if they want to change the configuration or channel group of an option board To change the configuration of an option board first go to the I O Board configuration screen All the connected 1 0 boards are displayed Second remove the PGM jumper J2 on the option board you want to configure A box will be displayed as a VW show below in Figure 4 9 Use 4 to select the parameter to be changed press the to toggle trough the options Third replace the jumper J2 once the correct configuration is selected The box will disappear once the jumper is reinstalled These three steps can be repeated for as many options as necessary but only one PGM jumper J2 can be removed at a time Analog Input Analog Input Bridge Input Bridge Input Chi Chi Chir Ch3z2 Ch33 Ch48 Ch49 Ch 4 Disc Relay Disc 1 Disc Relau Disc Relay Alarm 1 Alarm 1 Alarm 1 pean Relay 2 Alarm 115694 Programmable Relay Figure 4 9 70 ST 72 Controller Users Manual Revision b 2 0 SECTION 5 MODBUS A compliance with CSA 22 2 152 certification the Wireless MODBUS interface to a LEL gas detector may only be used for data collection or record keeping with regard to combustible gas detection and not for performance verification The ST 72 is equipped with two standard RS 485 ports that can be independently
109. og Wiew Sensor Life t t tk Figure 2 36 2 7 8 VIEW SENSOR LIFE Sensor Life is available when at least one channel has Sensor Life activated in the Marker menu see section 2 4 4 5 The Sensor Info screen displays each channel s sensor status as illustrated in Figure 2 37 Channels with Sensor Life disabled are indicate by Ch Disabled below the bar Cal Required indicates no Calibration Marker value has been received by the ST 72 Configure Zone Hames Mimic Mode SD Card Wiew Event Log Clear Event Log Wiew Sensor Life Oxygen 7 Oxygen SS Measurement Measurement pd Measurement Ey R Measurement Measurement E Measurement m Measurement Measurement Measurement Measurement 25 Measurement Eu Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement Measurement p 7 Oxygen Measurement Measurement p Measurement o Oxygen Measurement 25 Oxygen Measurement pd Measurement Measureme
110. om of the menu This determines WORD and BYTE alignment of data at the remote Modbus transmitter when sending its 4 byte IEEE Floating Point values With the select bar on this entry the Edit toggles between the 4 possible modes 32 ST 72 Controller Users Manual Revision b 2 0 2 4 5 LINEARIZE The linearization menu allows each channel to have its own linearization curve stored in the controller s non volatile memory Input versus output points must be entered in percent of full scale values This means if the range is 0 200 ppmH2S then 100 ppm is 5096 of full scale Zero input will provide a zero output and 10096 input a 10096 output Nine intermediate points may be entered to define the curve Hlarm InrFut Qutrut Hlarm Hlarm Fault Hlarm Data Fram Linearize Configure Figure 2 20 246 CONFIGURE MENU From the entry level setup menu in Figure 2 14 the CONFIGURE menu may be entered for setting variables defining how the controller presents monitored data to the various graphic displays Alarm Engineering Units PCTLEL Alarm Zero Fault Alarm Span Data From Decimal Points Linearize Channel On Conf igure Zone Deadband v Cory To Channel Cory To Grour Restore Ch Defaults Figure 2 21 33 ST 72 Controller Users Manual Revision b 2 0 2 4 6 1 INFO MEASUREMENT The first two items in this menu are for entering the 16 character Measurement Name and 6 character engineering uni
111. ommunication port This option is only available if SYMPATHY ENABLED is set to YES 2 5 1 6 3 2 TRANSMIT When set to YES the ST 72 t broadcasts the alarm 2 alarm flag out of the communication port This option is only available if SYMPATHY ENABLED is set to YES 2 5 1 6 4 SYMPATHY A2 ACK When set to YES the ST 72 broadcasts the alarm acknowledge flag to acknowledge all ST 90 relays on the network configured to be acknowledgeable This option is only available if SYMPATHY ENABLED is set to YES 2 5 1 6 5 TRANSMIT When set to YES the ST 72 broadcasts the alarm 3 alarm flag out of the communication port This option is only available if SYMPATHY ENABLED is set to YES 2 5 1 7 RADIO SETUP RADIO SETUP is used to configure radio kits that are connected directly to the ST 72 See section 7 1 2 5 1 8 SLAVE BYTE ORDER If Modbus Slave is selected a BYTE ODER entry appears in the menu This determines WORD and BYTE alignment of data at the remote Modbus transmitter when Edit sending its 4 byte IEEE Floating Point values With the select bar on this entry the toggles between the 4 possible modes Min Max Raw values are not used in this mode 2 5 1 9 WIRELESS TIMEOUT If Wireless Monitor is selected a WIRELESS TIMEOUT entry appears in the menu Edit The toggles between 1m 12m and 18m These represent the number of minutes the ST 72 will wait before going into COMM ERROR See section 7 2 1 39 ST 72 Contro
112. onal 10 0332 shown in Figure 3 1 An optional RS 485 Isolated piggyback Board part 10 0368 may be added to the I O Board via ribbon cable J5 This option adds two additional isolated RS 485 ports for a total of four These two additional serial ports can also be configured for either Master or Slave Horizontal jumpers installed in position 1 at JP2 amp JP3 com port 3 and JP5 amp JP6 com port 4 connects the RS 485 port s RX amp TX lines simplifying 2 wire daisy chains by providing additional terminals for incoming and outgoing cables For example installing the two COM 1 jumpers connects screw terminals 1 amp 5 and terminals 3 amp 7 at 52 ST 72 Controller Users Manual Revision b 2 0 TB1 RS 485 terminating resistors are installed by moving the jumpers at JP1 com port 3 and JP4 com port 4 to position 1 These resistors should not be installed if the port is not at the end of the communication line TBI allowes external Alarm J9 is 40 pin ribbon to main Reset contacts controller J5 Ribbon connector to optional IS PCB Ethernet Port JI amp J2 connect to I2C optional UO 13 Ribbon to optional AR PCB Option 10 0368 Fuses DC OUT power to option boards that require 24 VDC 2A 5x20m Apply only nominal 24 VDC min 10 VDC max 30 VDC L power
113. orts to be configured for 2 or 4 wire operation A 40 pin ribbon cable connects the I O Board to the ST 72 CPU and Display nest assembly Two 17 bus connectors allow addition of optional functions such as analog 1 0 and discrete alarm relays for each channel Horizontal jumpers installed in position 1 at JP1 connect the RS 485 port s RX amp TX lines simplifying 2 wire daisy chains by providing additional terminals for incoming and outgoing cables For example installing the two COM 1 jumpers connects screw terminals 1 amp 5 and terminals 3 amp 7 at TB3 RS 485 terminating resistors Rb COM 1 and R11 COM 2 are located on the MAIN I O Board and installed by moving the jumpers at JP2 to position 1 These resistors should not be installed if the port is not at the end of the communication line TB1 of the Main I O Board allows the ST 72 to be acknowledged remotely A low signal at this input will simulate an Alarm Reset event see section 2 3 1 2 The input of TB1 is pulled up to 5V An external circuit or relay can pull the input low to the input to activate the Alarm Reset event The wiring to the external circuitry should be no longer than 10 feet An optional Auxiliary Standard Relay piggyback Board part 10 0332 be added to the I O Board via ribbon cable J3 This option adds another five SPDT 5A relays that mimic the five standard relays Auxiliary Standard Relay contacts are available at TB1 on the opti
114. ower 0 18 25 8 Sen 4 Sen 10 Sen 12 N S HS before removing ge Sen 5 Sen 7 Sen 13 Sen 1516 or installing de 9 B gl Dual Channel Bridge input modules do Hels eL Gl modules plug into sockets on main to ln 2 7 3 5 5 5 a iut S terminal board Not required for qo channels 155 E Sl ee een o ss tla 42 HH E z LEL Sensor el LE 50 ao oo LELI Gl CH 1 CH 16 2 fjesi U SE 100 sl Hsen 6 Sen 8 Sen 14 Sen 1651 9 Res Sockets te 57 72 Bridge Input Board ORev 1264 ASSY 10 0347 R C A are from Bridge type sensors 4 20mA may be applied to any channel s C amp A terminals by addition of 100 ohm resistor R1 R16 and setting LEL 4 20mA jumper to 4 20mA Figure 3 4 3 2 5 OPTIONAL 4 20mA ANALOG OUTPUT BOARD 10 0348 An optional 16 bit 4 20mA analog output board shown in Figure 3 5 may be connected to the 1 bus Each channel s output will transmit 4mA for 0 readings and 20mA for 100 readings Loop drive capability depends upon the level of the ST 72 s primary DC power supply With at least 20 volts DC primary power they are capable of driving 20mA through a 750 ohm load Outputs are self powered and DC power should not be provided by the receiving device Note This board requires nominal 24VDC power be connected to TB3 or TB4 ter
115. r is enabled the unit can be accessed by its hostname or IP address although the IP address will be dependent on the DHCP server and could potentially change 2 5 3 2 HOSTNAME Hostname identifies the unit on a network as an alternative to the IP address 2 5 3 3 IP ADDRESS IP address identifies the unit on a network This is automatically set when DHCP is enabled 2 5 3 4 NETMASK Specify if your network requires Netmask specifies the subnet addressing scheme This is automatically set when DHCP is enabled 2 5 3 5 GATEWAY Gateway is the IP address of the device that may connect this subnet to other networks This is automatically set when DHCP is enabled 2 5 4 TROUBLESHOOTING The TROUBLESHOOTING option in the communication settings menu can prove to be very helpful when setting up communications through the ST 72 s numerous communication ports This feature allows the user to see how many messages were either corrupt when received or not received at all COMI Settings lieu comm failures COM Settings Clear failure counts COMS Settings COM4 Settings ModbusTCP Settings Hetuork Settings Troubleshooting Figure 2 26 41 ST 72 Controller Users Manual Revision b 2 0 2 5 4 1 VIEW COMM FAILURES When VIEW COMM FAILURES is selected the screen in Figure 2 27 is shown Each individual channel is shown and it is color coded by the communication port that it is configured for in its own Data From menu see section 2 4 4
116. relay Choices are OFF ON or BEEP one Hz Pulsating As an example A1 conditions might pulse the horn BEEP and A2 conditions to cause a steady horn ON Any other combination of these 3 choices is possible for A1 A2 and A3 levels affecting the horn relay This feature is very useful since it allows the horn relay to serve as another level A1 level A2 level A3 or both Individual channel alarms 23 ST 72 Controller Users Manual Revision b 2 0 may also be configured to not affect the Horn relay on a channel by channel basis see section 2 4 2 5 2 3 2 2 ACKNOWLEDGE Turning Acknowledge YES allows the Horn relay to be deactivated during alarm conditions by an Alarm Reset This is useful if an audible device is being driven by the relay 2 3 2 3 FAILSAFE Failsafe controls relay activation for this relay Failsafe YES causes the horn relay to de energize during alarm conditions and energize when there is no alarm Thereby a power failure forces the relay contact to the alarm position 2 3 2 4 PIEZO ALARM Piezo Alarm ON causes the audible piezo to duplicate the action of the horn relay This feature may be used to provide a low decibel indication of the status of the system s horn 2 3 3 DISCRETE RELAY 10 00345 Discrete relay options may also be configured to function in a Failsafe mode using the ALARM OUTPUTS menu shown in Figure 2 11 Entering YES causes these discrete relays to have energized coils when no alarm condition ex
117. riables This Setup mode may be exited manually by Next pressing J or automatically when no keys are pressed for 5 minutes Alarm relays and front panel alarm LED indicators remain active during the Setup mode A Security menu offers a password feature to prevent tampering with ST 72 parameters See Figure 2 1 Figure 2 7 for a complete ST 72 menu tree layout 12 ST 72 Controller Users Manual Revision b 2 0 mma l Votes Resuired H2 Votes Reauired a AS Votes Reauired a Acknowledge Ho Failsafe Ho Zone 1 Yes Override 1 Channel a Standard Relay Menus are Identical Alarm 2 Alarm 3 On gt Acknowledge Yes Standard Relay 2 Failsafe Ho Piezo Alarm Ho Standard Relay 3 HornzPiezo Discrete Relay tek o H2 Failsafe H3 Failsafe 1 PCTLEL Ch 37 gt See Figure 2 2 ES T E Heasurment 59 amp PCTLEL Timeout mz 566 Poll Delay ms3 258 COM2 Settings Radio Setur Z COMS Settings COM4 Settings ModbusTCP Settings 1 4 Menus Identical Hetwork Settings Channel Config Slave Byte Order Communication Settings Master Timeouttms 566 Security Unlocked Sustem gt User Name Master Poll Delastms 258 ob Diagnostics Lock Code Modbus Lock Code B DHCP Enabled Hostname Co
118. rly ground the enclosure and follow national and local electrical codes V V D i B 3 Figure 6 2 NEMA 4X Wall Mount 96 ST 72 Controller Users Manual Revision b 2 0 6 3 ST 72CP NEMA 4X COMPACT WALL MOUNT FIBERGLASS ENCLOSURE The ST 72CP shown in Figure 6 3 is a fiberglass NEMA 4X wall mount enclosure One 16 channel 1 0 option PCB s such as analog input or relays may be mounted inside this enclosure making it ideal for Modbus or wireless applications It is suitable for mounting outdoors but an above mounted weather deflector shield is recommended Weight is approximately 17 pounds Figure 6 4 provides important warning information concerning correct grounding procedures for non metallic enclosures Conduit entries are not provided so installers may place entries as needed Bottom or lower side areas are recommended Care must be taken to avoid drilling into circuit boards mounted inside the enclosure Properly ground the enclosure and follow national and local electrical codes 13 16 10 00 8 50 c 2 e NT m 15 12 16 00 Y M UJ ge Note 4 mounting holes are 31 diameter SHOCK HAZARD ADD LOCKING DEVICE TO CLASP O
119. roller Users Manual Revision b 2 0 LEDs indicate board configuration 1 01 16 TOG 17 32 Status oe 3L J ch 33 48 Jl of ch 49 64 E C3 J3 amp 14 are interchangeable I2C connectors 43 4 PGM J4 used to add other option PCB assemblies to T B2 the controller SENSOR 24VDC OG 24VDC SENSOR O DERT Sen 1 Sen 2 Sen Sen ll sl 9 G o laa g L S C 4 2 0 VDC i ZIE sie SENSOR VOLTS am 5 CH A ADJUST 2 Hs J tI LOW GAIN Up to 8 10 0192 EH 22 oa 8 0 5 JUMPER a BALANCE Dual Bridge input ME MIS modules may be Tie FO S 420 VDC installed o mA S SENSOR VOLTS dl EN S B ADJUST f a D z Low GAIN es oe S MED JUMPER Pla BALANCE Di z NI li li li S S e li ADJUST Jeconnece p
120. rtical line is drawn on the screen when the screen is selected and moves to the left indicating how long this screen has been active The example below Figure 1 5 has been active for 26 minutes Minsk Huaziz Zero Sp an slab 24 2 18 15 12 9 6 Sm ea ll Figure 1 5 Combination Screen ST 72 Controller Users Manual Revision b 2 0 1 3 5 ZONE SCREEN The ST 72 Zone screen displays the eight possible zones simultaneously If an alarm condition occurs the user will be able to quickly see in what zone the situation is occurring Each active zone is divided into alarm levels which are green until an alarm is present Inactive zones and alarm levels are grayed out If an alarm should occur the zone name field will flash and the corresponding box in the assigned zone will turn the color of the alarm that is present or alternate if two different colors are present Once the alarm has been acknowledged the name field will stop flashing Utilizing the Display Alarm feature in the Systems Configuration menu allows new alarms to always force the LCD to the Zone screen This is useful for applications requiring zones with alarms to be displayed If the Zone feature is not utilized this screen can be turned off in the Systems Menu The Zone screen is also helpful for configuring the different zones To display all the channels included
121. rtical the Yagi transmits with vertical polarity In networks spread over wide areas it is common for a central unit to have an omni directional antenna and the remote units to have Yagi antennas In this case as the omni directional antenna will be mounted with vertical polarity then the Yagis must also have vertical polarity Care needs to be taken to ensure the Yagi is aligned correctly to achieve optimum performance 107 ST 72 Controller Users Manual Revision b 2 0 Two Yagis can be used for a point to to link In this case they can be mounted with the elements horizontally to give horizontal polarity There is a large degree of RF isolation between horizontal and vertical polarity approx 30dB so this installation method is good idea if there is a large amount of interference from another system close by transmitting vertical polarity An important mounting tip if a Yagi has drainage holes in the dipole element do not mount the antenna with the drainage holes 7 5 3 MOUNTING NEAR OTHER ANTENNAS Avoid mounting your network s antenna near any other antenna even when the other antenna is transmitting on a different radio band High RF energy of the transmission from a close antenna can deafen a receiver This is a common cause of problems with wireless systems Because antennas are designed to transmit parallel to the ground rather than up or down vertical separation between antennas is a lot more effective than hor
122. sers Manual Revision b 2 0 Alarm 2 N A 40231 40231 N A 3 6 16 Off 0 Mode On 1 2 Alarm 3 N A 40232 40232 N A 3 6 16 Off 0 Mode On 1 Beep 2 Acknowledge N A 40233 40233 N A 3 6 16 Off 0 1 Failsafe N A 40234 40234 N A 3 6 16 No 0 1 Piezo Alarm N A 40235 40235 N A 3 6 16 No 0 1 5 3 10 CHANNEL CONFIGURATION Type Channel First Last Block Read Write Notes Size FC FC Tag 1 64 40401 40912 8 3 16 2 characters per register Eng Units 1 64 40913 41104 3 3 16 2 characters per register Zero Value 1 64 41297 41424 2 3 16 Integer and divisor Zero Value 1 64 41425 41552 2 3 16 32bit IEEE Float Span Value 1 64 41553 41680 2 3 16 Integer and divisor Span Value 1 64 41681 41808 2 3 16 32bit IEEE Float Alarm 1 Setpoint 1 64 41809 41936 2 3 16 Integer and divisor Setpoint 1 64 41937 42064 2 3 16 32bit IEEE Float Latching 1 64 42065 42128 1 3 6 16 No 0 1 1 64 42129 42192 1 3 6 16 Low 0 high 1 On Delay 1 64 42193 42256 1 3 6 16 Time in seconds 0 10 Off Delay 1 64 42257 42320 1 3 6 16 Time in minutes 0 120 Horn Drive 1 64 42321 42448 1 3 6 16 No 0 Yes 1 Alarm 2 Setpoint 1 64 42449 42576 2 3 16 Integer and divisor Setpoint 1 64 42577 42704 2 3 16 32bit I
123. t ASCII fields Eunits should define the units of measure for what this channel is to display Measurement Name should describe the source of this data in the user s terminology Section 2 2 of this manual describes how to use the front keypad to modify these fields 2 4 6 2 ZERO SPAN The ZERO SPAN entries allow configuration of the measurement range displayed by this channel Measurement Range works along with A D Counts menus described in section 2 4 4 2 to define the range of the input signal s engineering units For example if a channel s input is 4 20mA from a transmitter monitoring O to 10ppm chlorine then the Zero value should equal 0 000 and the Span value equal 10 00 The six ASCII engineering units previously entered are automatically displayed at the top of each menu as a reminder Four digits must appear in this entry so trailing O s may appear here that are not displayed on other data screens 2 4 6 3 DECIMAL POINTS Resolution of displayed channel values is configured in this menu by setting the number digits trailing the decimal point Values are limited to a maximum of four digits and a polarity sign An auto ranging feature displays the highest resolution allowed by this menu s decimal point entry For example if three decimal points are entered and the range is 0 to 100ppm the reading will be 0 000 at Oppm and 100 0 at 100ppm However this may be undesirable due to the high resolution at zero unless the sensor s outp
124. t is useful for returning the calibration to a known starting place Sensor aging may be monitored by recording zero and span readings at Unity Gain when it is new and again at later dates when degradation may have occurred To check zero calibration apply the ZERO calibration value to the sensor and observe the live reading If the zero reading differs from the zero setpoint a calibration is Edit needed To calibrate zero move the highlight bar to Set Zero and press Edit warning message explains that pressing again will change the zero calibration and 30 ST 72 Controller Users Manual Revision b 2 0 any other key will exit The procedure for span calibration is identical For example if a gas sensor is to be spanned with 50 span gas the span set point must be 5096 If 4596 is to be used later the span set point must be changed to 4596 to match the span calibration gas If the reading is only 40 with the 50 gas applied span calibration is Edit needed Move the pointer to the Set Span entry and press twice Unity Gain may be used at anytime to cancel incorrect calibrations and start again 2 4 4 5 MARKER MENU Some transmitters or monitoring devices providing ST 72 inputs also indicate special modes of operation such as Calibration Maintenance or Fault by transmitting a special lt 4mA or negative Marker value The ST 72 offers channel Marker menus for detecting and indicating such events see F
125. t value 4mA increments from OmA to 20mA Hnaloa utrut Ch 61 16 Analog Out Hnaloa utrut Ch lv 32 Analog Hnaloa utrut Ch 33 45 Analog Hnaloa utrut Ch 49 64 Analog Analog Analog Figure 4 5 4 6 PIEZO Selecting PIEZO pulses the controller s local Piezo buzzer Piezo Beer Test Press Hext To Exit Figure 4 6 67 ST 72 Controller Users Manual Revision b 2 0 4 7 LEDS Selecting LEDs from the diagnostics menu causes the six LEDs on the front panel to blink without affecting their corresponding relays All six relay will cycle individually as indicated on the screen LED Blink Test Press Hext To Exit Figure 4 7 68 ST 72 Controller Users Manual Revision b 2 0 4 8 SERIAL PORTS Testing the controllers 2 standard and 2 optional communication ports is made easy by connecting the ports together as shown in Figure 4 8 and selecting SERIAL PORTS in the diagnostic menu The controller does a self diagnostic by polling one communication port with the other to ensure correct operation It gives a SUCCESS or FAILURE report If the optional communication ports 3 and 4 are not installed they will show a failure as illustrated in Figure 4 8 m Connect COMI to 2 and 5 to COM4 2 or 4 Mire Connect TSA HRSA and THE R B m gt e Figure 4 8 69 ST 72 Controller Users Manual Revision b 2 0 4 9 V O BOARD CONFIGURATION The b
126. tate the colored bar changes to the color that represents that alarm level and flashes Once the alarm is acknowledged the bar stops flashing The top portion of the page updates automatically every 15 seconds The trend is updated when a channel is changed or the Refresh Trend button is pressed SYSTEM ZONE CHANNEL EVENT LOG CONFIGURE Logged In Show max s avg Refresh Trend Figure 8 3 114 ST 72 Controller Users Manual Revision b 2 0 8 4 EVENT LOG SCREEN Displays the last 2000 events logged in the ST 72 The events are logged in a first in first out format in non volatile memory so a SD card is not necessary to view the event log These events include Alarms In and Out Alarm Resets Calibrations System and Cold Boots and Communication and Configuration Error The events are time and date stamped and if channel specific the number is shown in the right column in Figure 8 4 SYSTEM CHANNEL EVENT LOG CONFIGURE Logged In Date Time Event Channel 10 26 2010 13 56 Alarm reset 10 26 2010 3 56 Alarm 2 in 18 10 26 2010 Alarm 1 in 18 10 26 2010 3 56 Alarm 2 in 17 10 26 2010 Alarm 1 in 17 10 26 2010 2 32 10 26 2010 H Alarm 1 in 32 10 26 2010 2 chi 10 26 2010 3 Alarm 1 in 31 10 26 2010 A Alarm 2 in 30 10 26 2010 56 Alarm 1 in 30 10 26 2010 H Alarm 2 in 29 10 26 2010 25 Alarm 1 in 29 10 26 2010 Alarm 2 in 28 10 26 2010 3 Alarm 1 in 28 10
127. tes N A 40140 40140 N A 3 6 16 Alarm 1 channels required 0 64 A2 Votes N A 40141 40141 N A 3 6 16 Alarm 2 channels required 0 64 A3 Votes N A 40142 40142 N A 3 6 16 Alarm 3 channels required 0 64 Acknowledge N A 40143 40143 N A 3 6 16 Relay is acknowledgeable No 0 Yes 1 Failsafe N A 40144 40144 N A 3 6 16 Relay is failsafe No 0 Yes 1 Zone 1 N A 40145 40145 3 6 16 Use zone 1 channels for Enable voting No 0 Yes 1 Zone 2 N A 40146 40146 3 6 16 Use zone 2 channels for Enable voting No 0 Yes 1 Zone 3 N A 40147 40147 N A 3 6 16 Use zone channels for Enable voting No 0 Yes 1 Zone 4 N A 40148 40148 N A 3 6 16 Use zone 4 channels for Enable voting No 0 Yes 1 Zone 5 N A 40149 40149 3 6 16 Use zone 5 channels for Enable voting No 0 Yes 1 Zone 6 N A 40150 40150 N A 3 6 16 Use zone 6 channels for Enable voting No 0 Yes 1 Zone 7 N A 40151 40151 3 6 16 Use zone 7 channels for Enable voting No 0 Yes 1 Zone 8 N A 40152 40152 N A 3 6 16 Use zone 8 channels for Enable voting No 0 Yes 1 Override 1 N A 40153 40153 3 6 16 Create an override Channel channel 0 is disabled O 64 82 ST 72 Controller Users Manual Revision b 2 0 Override 1 N A 40154 40154 6 16 Alarm for this override Alarm channel to use Alarm
128. the Main controller s communication port is set to Modbus Slave Once connected the Mimic controller will update automatically one minute after any parameter is changed in the Main controller Alarm Reset from either controller will acknowledge any relay set to Acknowledge YES see section 2 3 1 2 T bed LU Version Configure Zone Hames Mimic Mode SD Card Wiew Event Log Clear Event Log Wiew Sensor Life Mimic Mode Enabled Configure COMI Slave ID E gt gt Figure 2 33 47 ST 72 Controller Users Manual Revision b 2 0 2 75 SD CARD A two gigabyte SD card comes standard with each ST 72 This SD card is not needed for normal operation but is useful for data logging and backing up configuration When the data logger is enabled every ten minutes the Min Max Average Alarm 1 2 3 status Fault status Calibration status and Alarm reset for each active channel is written to the SD card in one minute intervals The log files are stored on the SD card by date Each day a new file is created and stored in a directory structure as follows UNIT NAMEVWEARMMONTHNVDAY csv The files are comma delimited text files and work with MS Excel which can be used to create historical plots of the data The first line in the file contains a date stamp The next line is the header The header shows the name of each column The AVG fields in the header list the zero a
129. the main axis and they are normally installed vertically They can be mounted horizontally horizontal polarity however the antenna at the other end of the wireless link would need to be mounted perfectly parallel for optimum performance This is very difficult to achieve over distance If the antenna is mounted vertically it is only necessary to mount the other antennas vertically for optimum coupling this is easy to achieve Dipole and collinear antennas provide best performance when installed with at least 1 to 2 wavelengths clearance of walls or steelwork The wavelength is based on the frequency Wavelength in meters 300 frequency in MHz Wavelength in feet 1000 frequency in MHz Therefore 900 MHZ antennas require at least 2 3 meter 2 feet and 2 4GHz 15 cm 6 inches Antennas may be mounted with less clearance but radiation will be reduced If the radio path is short this won t matter It is important the antenna mounting bracket to well connected to earth or ground for good lightning surge protection 7 5 2 YAGI ANTENNAS Yagi antennas are directional along the central beam of the antenna The folded element is towards the back and the antenna should be pointed in the direction of the transmission Yagis should also be mounted with at least 1 to 2 wavelengths of clearance from other objects The polarity of the antenna is the same as the direction of the orthogonal elements For example if the elements are ve
130. tions Itis recommended the Voltage Adjust potentiometer screws be covered by a dollop of RTV or similar material after completion of this procedure to avoid accidental over voltage conditions Remove system power and connect sensor wires to the R C A terminals Reapply system power and confirm correct voltage across each sensors amp R terminals Note If sensor wires are long it may be necessary to measure the excitation voltage at the sensor end to compensate for IR losses in the wiring With the minus voltmeter lead on TB3 common connect the plus lead to the channel s red test point With zero air on that sensor adjust its Balance potentiometer for 4 volts at the test point Apply 5096 span gas to the sensor and allow the test point voltage to stabilize Two volts 100 input to the A D Converter and 4 volts 096 Therefore 1 2 volts 5096 Place the 3 position Coarse Gain jumper into the position which reads between 8 volts and 1 2 volts on the test point with 5096 gas on the sensor Gain settings for each jumper position are as follows no jumper 1 LOW 7 MED 21 HI 41 Multiple jumpers have an additive affect upon gain so the LOW and MED jumpers together provide a gain of 28 Initial setup is now complete and normally only requires repeating if a sensor is replaced Final calibration of this channel may now be performed using the ST 72 s electronic Cal Mode feature described in section 2 4 4 4 58 ST 72 Cont
131. to terminals 1 3 24VDC amp 5 7 24VDC COM of TB4 1 7 terminals 2 4 24VDC amp 6 8 24VDC COM provide Fused 24 VDC power to ST 72 option boards requiring such power Figure 3 1 Main I O Board 3 2 INPUT OUTPUT OPTION BOARDS Telephone style RJ11 connections J3 and J4 on all option Boards are used to add optional 16 channel analog and digital I O All option Boards must have 24 VDC applied to TB3 or TB4 which are tied together making daisy chaining the 24 VDC from one option board to another possible All I O options except the Programmable Relay Board have LEDs to indicate which channel and alarm they are assigned to The Programmable Relay is not limited to groups of 16 channels like the other options so the LEDs are not required The connected I O screen in the Diagnostics Menu is also useful for displaying and programming the connected I O Boards 53 ST 72 Controller Users Manual Revision b 2 0 3 2 1 OPTIONAL ANALOG INPUT BOARD 10 0334 A In compliance with CSA C22 2 No 152 certification the 4 20 ma input does not include or imply approval of the LEL gas detection apparatus such as sensors transmitters or devices connected to the system In order to maintain CSA Certification of the system all 4 20 ma gas detection instruments connected to the input must also be CSA Certified Many transmitters or sensors have analog o
132. tors or transmitters providing inputs to the ST 72 A 600 watt AC DC power supply may be included for these applications 115VAC or 230VAC When ordered from the factory it is pre wired to provide 24VDC primary power for the ST 72 controller as well as any transmitters or monitors that may be connected by the end user At At At A gt A gt 2 5000 Figure 3 7 600 Watt 24VDC Power Supply 62 ST 72 Controller Users Manual Revision b 2 0 3 2 8 OPTIONAL 24VDC 150 WATT POWER SUPPLY 10 0172 The ST 72 Controller may be powered from 10 30VDC However many applications require 24VDC power for the monitors or transmitters providing inputs to the ST 72 A 150 watt AC DC power supply may be included for these applications 115VAC or 230 VAC selected via slide switch When ordered from the factory it is pre wired to provide 24VDC primary power for the ST 72 controller as well as any transmitters or monitors that may be connected by the end user 9 00 i 090909090908 o VADJ 599990000000 OSO SUSU 595009059 any ORO D 2 18 6969569696 4 Amp 5x20mm fuse located under 696906969 cover To access disconnect power 59
133. twork uses 192 168 0 0 192 168 0 255 with a netmask of 255 255 255 0 the isolated network could use 192 168 1 0 192 168 1 255 with the same netmask Port forwarding rules can usually be configured to only allow certain computers outside the firewall access to the ST 72 The method for creating forwarding rules is heavily dependent on the router firewall being used See router documentation The IP address or MAC address of the source outside computer Incoming port destination ST 72 IP address destination port and protocol will need to be set The source IP address should be set to allow a range or single IP Address Some firewalls can restrict access by MAC address This can be used instead of or in addition to the source IP address The protocols for forwarding rules should be TCP IP The destination ports should be 80 for access to the web server and 502 for access to ModbusTCP 124 ST 72 Controller Users Manual Revision b 2 0 In most cases a router and firewall will separate the network from the internet It is not recommended to forward ports from the internet to an ST 72 In cases where offsite access is needed a VPN or tunnel connection could be used to get inside the network 10 4 STATIC IP CONFIGURATION If you are setting up static IPs on a larger company network make sure to consult your IT administrator to obtain an IP address The IT administrator can also provide the correct netmask and gateway In this case
134. unting into DIV 1 amp 2 Groups B C D potentially hazardous areas Five 16 channel 1 0 option PCB s such as analog inputs or discrete relays may be mounted inside this enclosure with the addition of a 0010 1284 expansion plate It is suitable for mounting outdoors but an above mounted weather deflector shield is recommended Weight is approximately 110 pounds Properly ground the enclosure and follow national and local electrical codes r 17 28 T Vas oH do ps ae oj 8 38 FRONT o o o BOTTOM VIEW 20 E ee far E 2 4 94 3 4 CONDUIT ENTRY T DES uo To N 9 00 LL Nag A o L Figure 6 5 NEMA 7 Wall Mount 99 ST 72 Controller Users Manual Revision b 2 0 6 5 57 72 MAIN I O amp OPTION PCB FOOTPRINT DIMENSIONS AND ENCLOSURE CAPACITIES ST 72 controllers have virtually unlimited possibilities for configuration of options such as analog 1 0 relays and others Figure 6 6 provides the Main 1 0 and all option PCB dimensions and mounting footprint All ST 72 enclosure styles require the Main I O PCB Figure 3 1 but also support the mounting of additional option PCB s as described below e 72 01 Panel mount o One option 1 0 o Use aluminum 19 expansion plate adds Four options RCS Part 0010 0321 e 72 02
135. ure 2 2 Alarm 2 Alarm 3 Fault Alarm Data From Linear ize Configure ST 72 Controller Users Manual SetPoint Latching Ho Trir On High On Delay seco 4 Off Delay mind D Horn Drive Yes SetPoint Latching Ho Trir On High On Delay seco 4 Off Delay tmin B Horn Drive Yes Color Red SetPoint Latching Ho Trir On High On Delay seco B Off Delay 4 Horn Drive Yes Color Red Enabled Ho Min Raw saa Hax Raw 4888 Filter Sample Count 18 Local Cal Board Default Marker Menu Revision b 2 0 Marker Mark Sensor Life Inrut Output 18 88 18 88 28 88 260 00 36 00 36 00 48 88 48 88 58 88 58 88 68 88 68 08 78 88 78 88 88 88 26 00 38 88 38 88 Engineering Units CTLEL zero a Span 168 Decimal Points a Channel On Yes Zone 1 Deadband Channel 1 Grour gt Restore Ch Defaults L g To i L Cory Figure 2 3 15 ST 72 Controller Users Manual Revision b 2 0 See Figure 2 1 Contrast Date 16 26 2818 Time 89 45 28 Enable Channel Count 64 DisrFlas Alarm Main Data Marmur Time 1 Cal Purge Time 1 Zone Screen Enabled Yes Block Negative Yes
136. urn the color of the alarm that is present or alternate if two different colors are present Once the alarm has been acknowledged the name field will stop flashing To display all the channels included in any zone use the mouse to click that zone box The System screen will appear with all the channels that are included in the selected zone displayed in color and the channels that are not in the selected zone dimmed The zone screen is updated automatically every 15 seconds SYSTEM ZONE CHANNEL EVENT LOG CONFIGURE Figure 8 2 113 ST 72 Controller Users Manual Revision b 2 0 8 3 CHANNEL SCREEN The Channel screen shown in Figure 8 3 displays a 24 hour trend of input data for the channel selected Vertical tic marks are each hour and horizontal tic marks are each 10 of full scale Colored lines indicate alarm levels Since each data point must be collected for several minutes before it may be displayed it is likely input values will fluctuate during this interval Therefore MAX MIN and AVERAGE values are stored in the controller for each subinterval Checking the Min Max and Avg box in the lower left corner turns the respective lines on and off If there is no trend data available the corresponding section of the graph will be grayed out This will occur on power interruptions The top portion of each trend screen indicates channel number real time reading in engineering units and measurement name When channel reaches alarm s
137. ut is extremely stable If decimal points are limited to one the Oppm reading becomes 0 0 and the 100ppm reading remains 100 0 Resolution may be limited further by setting decimal points to O In the above example this would cause Oppm to display 0 and 100ppm to display 100 2 4 6 4 CHANNEL ON The Channel On entry determines if this channel is to be utilized Turning it off will cause the controller to never process inputs applied to this channel and no alarms will be tripped or data displayed Inactive channels will be grayed out on the Main Data screen and skipped when scrolling through the 30 Minute Trend screens Channels may be turned off in groups of 16 This is done in the System Setup menu described in section 2 7 2 4 2 4 6 5 ZONE The ZONE feature allows assigning of channels into up to eight possible ZONES This is useful for applications that may need all of alike gases or inputs from a certain area to be grouped together Once the channels are assigned to a certain group relays can be configured to respond to only the channels in this ZONE see section 2 3 1 4 34 ST 72 Controller Users Manual Revision b 2 0 2 4 6 6 DEADBAND DEADBAND allows forcing low values to continue to read zero This is useful when there are small amounts of background gases that cause fluctuating readouts above zero The highest amount of deadband allowed is 5 The 4 20mA output is affected by this menu item and will remain at 4mA until the i
138. utput Configure Decimal 1 64 47633 47696 1 6 16 0 0 Points 1 1 2 2 3 3 Channel 1 64 47697 47760 1 6 16 No 0 Enable Magd Zone 1 64 47761 47824 1 6 16 Zone 1 0 Zone 2 1 Zone 3 2 Zone 4 3 Zone 5 4 Zone 6 5 Zone 7 6 Zone 8 7 Deadband 1 64 47825 47952 2 16 32bit IEEE Float 0 0 5 0 5 3 11 PROGRAMMABLE RELAYS The programmable relay option allows 16 relays to be configured The configuration parameters are the same for all 16 relays The following table shows the base address of each programmable relay Programmable Relay Number Base Modbus Address Relay 1 49000 Relay 2 49040 Relay 3 49080 Relay 4 49120 Relay 5 49160 Relay 6 49200 Relay 7 49240 91 ST 72 Controller Users Manual Revision b 2 0 Relay 3 49280 Relay 9 49320 Relay 10 49360 Relay 11 49400 Relay 12 49440 Relay 13 49480 Relay 14 49520 Relay 15 49560 Relay 16 49600 The register for each relay parameter is determined by adding the offset to that relay s base address Type Channel Address Block Read Write Notes Offset Size FC FC 1 Votes N A 0 N A 3 6 16 Alarm 1 channels required 0 64 A2 Votes N A 1 N A 3 6 16 Alarm 2 channels required 0 64 A3 Votes N A 2 N A 3 6 16 Alarm 3 channels required 0 64 Acknowledge N A 3 N A
139. utput signals and the 12 bit Analog Input Board shown in Figure 3 2 is available to accept these TB1 and TB2 with 24 positions each offers 3 terminals per channel for distributing power and receiving analog inputs These are EXC and HI LO inputs TB3 and TB4 with only two positions each is for daisy chaining the power supply from one option board to another When the transmitters are hi power three wire units it is recommended this power be supplied to each option board with its own pair of wires connected directly to the DC power supply Precision 150 ohm 5 watt resistors R1 R16 between each channel s IN LO and IN HI terminals are termination resistors for 4 20mA inputs EXC and IN LO terminals are bussed together internally EXC terminals are tied directly to TB3 and TB4 24 VDC and IN LO terminals are tied to TB3 and TB4 power supply common Bussing allows transmitter power to be brought into the system at a single point TB3 or 4 and distributed back out at each channel s EXC IN LO terminals to simplify field wiring Figure 3 2 includes typical wiring to 2 amp 3 wire 4 20 transmitters 54 ST 72 Controller Users Manual LEDs indicate board configuration Power Supply Common orm Plus Signal S 9 24VDC Power For External Device J EXC HI O PWR SIG 2Wire4 20mA Transmitter Revision b 2 0 DIAChOI 16 ji Di Ch 17
140. vel alarm active Example If either default setting is modified such that A1 Votes 02 and A2 Votes 01 then any two channels must have an A1 level alarm active and any one channel must have an A2 level alarm active to trip that relay REMEMBER One of the A1s and the A2 could be on the same channel These level alarms must come from a channel included in the Zone entry described below 2 3 1 2 ACKNOWLEDGE Turning Acknowledge YES allows the standard relay to be deactivated during alarm conditions by an Alarm Reset This is useful if an audible device is being driven by the relay 2 3 1 3 FAILSAFE Failsafe controls relay activation for this standard relay Failsafe YES causes the relay to de energize during alarm conditions and energize when there is no alarm Thereby a power failure forces the relay contact to the alarm position Note the 22 ST 72 Controller Users Manual Revision b 2 0 standard Fault relay is always failsafe and may be monitored separately to indicate loss of power conditions in many applications 2 3 1 4 ZONE 1 8 Zones offer additional flexibility by controlling which channel zones trip this menu s standard alarm relay There are eight possible zones that can be assigned to the relays individually Some applications have different types of sensors or sensors in different areas connected to the same ST 72 Controller In these cases it may be undesirable for a sensor in one area to trip the same relay as a sensor

ST-72 Controller User Manual - RC Systems Wireless Gas Detection

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