PCMNET User`s Manual
Contents
1. 8 10 12 15 17 UT EXPAND same as above see AIXP DS 30ma GITAL OUTPUTS 24VDC sinking transistor 24VDC 1 8 50 ma max ELAY OUTPUTS 2 amp 24V 001 8 200ma 2 24V adds 8 relay outputs GITAL INPUTS dry contact x 1 8 dry contact connect to Rly80 ALOG OUTPUTS 0 24VDC x 1 2 Modem OR JU19 ON modem 11 Terminal terminal DB9 male Terminal JU19 OFF terminal DB9 male Modbus TXHRX RS484 RS 422 10BaseT 1 RJ 45 FIG 4 INPUT OUTPUT CONNECTION TYPES J Connectors J1 Telephone Connector when the On board Modem is supplied J2 Ethernet 10BaseT Port Connector RJ14 J3 Serial Port 2 Local Terminal or Laptop Connector DB9 Male J4 Serial Port 1 RS232 only available on a special external Modem version n u 2 RX DATA 3 TX DATA 4 DTR 5 COM 6 n u 7 RTS 8 CTS 9 n u J5 Factory Testing Connector J6 Analog Expansion for AI 9 to AI 16 J7 I O Connector for DI 1 to DIZ8 and DO 1 to 8 circuits J8 I O Connector for DI 9 to DI 16 and DO 9 to DO 16 circuits Jumper Positions Jumpers used to configure the CPU Board for hardware related features JU JU JU JU the JU JU JU JU JU JU JU JU JU JU JU JU 1 n u 2 n u 3 n u 4 Force Bootstrap Loader firmware to run when installed Consult ISAC regarding use of this jumper The jumper sho2. non condensing CONFIGURATIONS The terminal strips of the PCMNET board contain the signals described below Board Connections 2 TB3 Analogi O 085485 Digital I O PWR 1 2 3 4 5 6 7 8 9 AMG RX DMS COM IRET 5VDC MEM AU Lo Ds DOM wE poors KE proud onc qp E poo ME RET Dou 7 aou LE rer FIG 3 PCMNET I O CONNECTIONS NOTES 13 14 5 VDC power supply for thermistor sensors 40 ma max 17 18 4 20 ma Output TB3 1 8 switch to RET to activate input TB4 1 24VDC regulated Power input from power supply TB4 2 Switched 24VDC power OUTPUT to sensors and other devices 0 25A max TB4 3 DC RET return for power supply Input Output Specifications The following table summarizes the termination requirements for various types of inputs and outputs Some of the expanded capabilities require either the AIXP Analog Input Expansion Board or the RLY80 Relay Output Board Contact ISAC for more information regarding these expansion boards SW DESC 24VDC 24VDC In 1 0 amp 200ma 30ma Fuse 1 25 amp 250V Battery JU6 0N Panasonic CR2032 4 20ma TB4 240ut J Uy ON 1 8 7 8 10 12 15 17 0 5VDC TB4 240ut J Uy OFF 1 8 7 8 10 12 15 17 Thermistor Vtherm J Uy OFF 1 8 7
3. on this network connection Note 1 Network Bias Resistors are Mandantory Note 1 Connect to the Master terminal strip Use 6 500 600 ohm for networks of 7 or more Slaves 1000 ohm for fewer than 7 slaves Note 1 MASTER PCMNET ISAC MCB80 Modbus Boards Modbus Terminal Strip C TB1 of MCB80 1 lt 1 e M Mid B pres COM If all MCB80 s have good building grounds connected to TB1 of MCB80 2 their RET terminals then the COM line in the communications cable be removed and only TB1 23 B two 2 lines used for RS485 B1 24 COM FIG 10 MASTER SLAVE I O NETWORK Some slave devices such as the TCS sz1025a VAV Controller may require that the A and connection be switched In such a case connect all the slave devices terminal together and then connect that B leg to the PCMNet A TB2 2 terminal Similarly connect the sz1025a A leg to the PCMNet B TB2 1 terminal There are also salve devices that utilize the Modbus protocol but communicate via an 5422 4 wire connection ALL DEVICES ON A PCMNet network must be of the same type RS485 or RS422 When connecting to an RS422 network connect TX from the PCMNet to all slave devices RX terminal TX at the PCMNet should be connected to all RX slave terminals RX at the PCMNet to all T X slave terminals and RX at the PCMNet to all T
4. to Display a TB4 2 switched 24vdc E PCMNET TB4 3 RET DC common Power Input to Display e FIG 13 MAPLE HMI520 COLOR GRAPHIC TOUCHSCREEN CONNECTION WARRANTY Detailed below is ISAC Inc s expressed warranty pertaining to all products manufactured by ISAC seller and sold to a third party Buyer for the product s specified purpose This warranty is subject to application of the product for a recognized purpose and will be void should proper system installation and maintenance not be exercised by the Buyer it s customer or agent For purposes of identification all ISAC manufactured products are date coded and registered by board number The stated warranty can only be requested by the Buyer or directly by a third party provided that party can validate proper purchase of the product from an ISAC recognized customer Warranties are honored for a period of 12 months from the date of installation or placement in service or a maximum of 18 months from date of shipment whichever occurs first ISAC Seller warrants to the Buyer that all products manufactured by Seller will be free of material defect in workmanship and or material The Seller s sole obligation under this warranty will be to provide without charge all necessary parts and factory labor necessary to remedy the defect The Seller may elect to either repair the defective item for return to service or replace the defective item with a new or repaired item from the Sel
5. ISAAC INTEGRATED SYSTEMS AND CONTROL INC PCMNEI HARDWARE USER S MANUAL 2007 Integrated Systems and Control Inc PO Box 7682 Aubum CA 95604 Phone 530 878 9038 Fax 530 878 9137 www isacinc com TABLE of CONTENTS GENERAL SPECIFICATIONS CONFIGURATION Board Connections Specifications J Connectors Jumper Positions WIRING Digital Input Output Wiring Analog Output Wiring Analog Input Wiring NETWORKING Peer to Peer Networks Master Slave Networks OPERATOR INTERFACES TriNet Language via Telnet Protocol User Programmable Displays WARRANTY 12 12 13 14 14 15 16 GENERAL The PCMNET expands ISAC s PCM series of controls with expanded I O capability and expanded Internet connectivity The PCMNET shares the basic programming logging and communications features of the PCM400I with expanded local and networked I O and an Ethernet 10BaseT network The PCMNET can be connected to up to two RLY80 Relay boards or Opto22 I O rails and an Analog Expansion board to provide up to 16 DI 16 Relay DO 16 AI and 2 AO We believe that the PCMNET is a product that provides the best combination of software functionality packaging flexibility short development cycle and low cost The PCMNET may be directly connected to a 10BaseT Ethernet network for access via several different Ethernet protocols The PCMNET retains the compatibility with the Modbus RTU RS485 network protocol on a dedicated channel The PCMNET
6. X terminals 13 OPERATOR INTERFACES Several communication ports can be utilized on each PCMNet to assist users in programming monitoring and managing a PCMNet based control system On board the PCMNet is the embedded TriNet language which is a fully functional menu based interface for programming monitoring and troubleshooting the system In addition the Peer to Peer and Master Slave networking capabilities can be utilized for connection to other hosts or display devices TriNet Language via Telnet Protocol The full TriNet interface can be accessed via either the Modem port RS232 port or Ethernet port Because this interface can be used to completely configure the controller s program and even to upgrade the actual firmware version ONLY ONE USER CAN BE CONNECTED VIA TELNET AT ANY ONE TIME regardless of the selected connection port When direct connected to the board at J3 a null modem 9 pin RS232 cable should be utilized ID PCMNET ST unknown 1 System Definitions 7 Logs Reports Menu 2 Point Definitions 3 Input Definitions Menu 9 Ethernet Internet Definitions 4 Output Definitions Menu M Mailbox Definitions Menu 5 Schedule amp Logic Menu T Enter Current Time and Date 6 Control Rules Menu S Save Restore Clear Program D System Diagnostics U User Name Maintenance R TRINET Run Mode Menu FIG 11 TRINET SUPPORTED PORTS Note that ISAC software packages such as Iterm Iwat
7. al terminal and connect RET to the load transducer s negative signal terminal Current will flow out of the PCMNET s AO terminal through the load transducer input and then back to the PCMNET s RET Serial Port 1 On board Modem or J4 Serial Port 1 is a port designed to be used for a Modem user interface The PCMNET may be supplied equipped with an on board Modem or with a 9 pin RS232 connector J4 for an external Modem The Baud rate may be set to speeds between 1200 and 38400 When an on board Modem is supplied the telephone connections can be made at J1 RJ11 connector Serial Port 2 RS232 J3 The PCMNET contains a local terminal laptop port J3 The Baud rate may be set to speeds between 1200 and 19200 RS485 Modbus RTU or ASCII TB2 The PCMNET Board contains an RS485 Network port that is used to connect to Modbus RTU or ASCII protocol devices as well as several other compatible devices using other network protocols The Network connection is made at the TB2 connector The default network data speed is 9600 Baud Contact ISAC for other compatible devices that can be attached to the RS485 port of the PCMNET Ethernet 10BaseT J2 The PCMNET has a direct Ethernet port J2 This port can be used with ISAC client software or other commercial software to make use of several Internet protocols such as Telnet Http and ModbusTCP Environmental Operating environment is expected to be 0 to 50 Degrees Centigrade 5 to 95 RH
8. ch and listen can be configured to connect via all of these ports It ism possible to utilize these products or other host software packages to push and pull data from the PCMNet via a non Telnet protocol like HTTP while simultaneously supporting a Telnet connection on a different port 14 User Programmable Displays The PCMNet has often been installed with one or more local or machine room types of displays These displays can be connected on either the Ethernet port utilizing Modbus TCP IP or on the RS485 port as a Master or Slave Note that when a local display is connected via the RS485 port and configured as the Master then the PCMNet must be configured as a Slave and can therefore not also function as a Master on the same Maple Display back view shield RJ45 Connector end view Maple Systems HMI 520M Display network Ret Q Out In N 7 7 resistors add 1000 ohm for 7 olel DIZ less slaves 500 ele DI8 600 ohm for gt 7 slaves 8 brn 5VDC 7 wht brn Com 6 org Rx 5 wht org Rx 4 blu Tx wht blu 2 grn 1 FIG 12 MAPLE OIT 3175 ALINE TEXTUAL CONNECTION Note 1 MASTER PCMNET Note 1 Modbus Terminal Strip ES Pin 2 O Pin 1 O Pin 6 Pin 7 Display DB9 Pin 5 Female Commo Connector Pin 8 Mates with Male O connector on display eu 3 oping png C O O Og O Power Input
9. d would be an interface relay with a 24VDC coil or another logic board that may use a pulse width modulation signal to control air pressure etc By programming the PCMNET the first 8 DO s may be used for PWM If a RLY80 relay output board is attached to the J7 connector provided on the board the digital output terminals of the PCMNET will be redirected to operate the relays of the RLY80 Adding a second RLY80 board connected to J8 will expand the Digital Outputs of the PCMNET to 16 maximum A specially designed Opto22 rail may be used to directly connect J7 or 78 such that 24 240V AC line voltage DO s can be directly used The Opto22 rail can accept 8 DI s and 8 DO s Caution If the J7 connector is utilized by a RLY80 or Opto22 interface the DI and DO terminals of TB3 cannot also be used Analog Outputs The PCMNET provides two 2 true analog outputs AO 1 2 at 10 bit resolution which produce a self powered 4 20ma signal for driving field mounted transducers transmitters To use the AOs program the PCMNET s AO and specify that the output should use a true analog output rather than a PWM pulse width modulation type Screw terminals TB1 17 and 18 are provided for the AO signal outputs Calibration adjustments are provided on the board consult factory instructions before making any adjustments on the analog output Zero and Span adjust screws To connect an AO to a load device connect the AO terminal to the load transducer s positive sign
10. e p B ej a P eie eio eie eie eie gie ele ele eie eie FIG 5 PCMNET SCHEMATIC WIRING Digital Input Output Wiring TB3 of the PCMNet board allows control of up to 8 digital output loads See the Specifications section for electrical ratings for these outputs Note that connection of an Rly80 or an Opto22 rail at J7 of the PCMNet will convert these DO s to relay or other form of load connection And defeat the use of the TB3 terminal for this purpose DI8 Compressor Solenoid Fan Defrost Dry Contact Digital Input FIG 6 DIGITAL INPUT OUTPUT WIRING Analog Output Wiring Two 4 20 ma 0 5 VDC analog outputs are available on each PCMNet The output can be controlled via setpoint or PID loop logic within the PCMNet TriNet language add 250 ohm resistor for 0 5 VDC devices FIG 7 ANALOG OUTPUT WIRING 10 Analog Input Wiring Up to 8 analog inputs can be terminated on each PCMNet board This can be expanded to 16 through use of the AIXP Expansion board Three types of inputs can be connected at each input location thermistor type 10000 ohm 4 20 am or 0 5 VDC The manner of connection as well as the configuration of jumpers will allow the PCMNet to properly read the value Scaling for the sensor is managed within the operating program on the board OS 02120505 60505 o o o o
11. ez e e l a je 9 gs Je 9 ez lel roa 00 2 100 Lele val OGAS 8I 4 9 SI 4 l el L 801 10 900 Soa Note PCMNet s require 24 VDC power supply The existing MST power supply will not work and must be replaced with a 24 VDC supply capable of delivering 1 2 amps per PCMNet 10 base T Ethernet cross over cable allows PCMNet s to share data if system to be connected to internal building network system will require connection through hub m lm 1 Tele Al2 lele Jug ARet e e 7 09 010 AM ARET 0 Als suo e om ARet oun m PCMNet ARet 2015 Vtherm Vtherm xj JU16 o See ODD OD eal FIG 9 PEER PEER NETWORK 12 Master Slave Networks The PCMNet s RS485 port can be used to support up to 32 slave devices when the controller is configured to act as a Master The PCMNet supports both Modbus RTU and the Modbus ASCII protocol although all devices in the network MUST SUPPORT THE SAME PROTOCOL Mixing of protocols cannot be accomplished The board configuration also allows for the port to be assigned an address causing it to act therefore as a slave to another device polling it
12. l TB4 2 is available for powering external sensors limited to 0 25 Amp current total The power available for external sensors must be considered along with RLY80 boards that may be required when determining the capacity of the main 24 VDC power supply Analog Inputs The PCMNET has terminals for 8 analog inputs at 12 bit resolution which may be used as either 0 5VDC 4 20ma or 10K Thermistor temperature A board jumper for each input may be used to connect the input to a 250 Ohm 1 resistor for 4 20ma inputs The PCMNET Board is equipped with a 10 pin ribbon connector that allows the connection of one Expansion Analog Input Board to allow the addition of 8 more analog inputs 9 thru AI 16 Therefore the maximum number of field accessible analog inputs with an expansion board is 16 analog inputs Digital Inputs The PCMNET has 16 digital inputs DI 1 thru DI 16 Inputs DI 1 to DI 8 may be accessed at TB3 1 to TB3 8 and are available in the J7 expansion connector DI 9 to DI 16 are accessed through the 18 expansion connector The PCMNET DI s are self powered from the 24VDC power such that only a contact closure connected between the DI and a RET terminal is required to activate them Screw terminals on the PCMNET Board are provided for connections Internally these inputs may be defined for use as general purpose inputs status inputs intended to trigger alarms if the corresponding digital output does not switch as a timed latching input
13. ler s inventory Once repaired or replaced the warranty obligation will continue for the remainder of the original warranty period or for an additional 3 months whichever is greater Seller makes no warranty representations whatsoever with respect to articles which are not manufactured by the Seller however Seller will assign or make available to the Buyer any such warranties which have been made available to the Seller by the original manufacturer of such articles Buyer shall notify Seller of his intent to return an item under this warranty policy Seller will then provide tagging instructions and ship locations for the item s return All postage shipping and insurance charges to return the item to the Seller are the responsibility of the Buyer Item s returned without prior notification may not be recognized under this warranty policy This warranty is the sole and exclusive warranty given with respect to any articles delivered by the Seller and is in lieu of all other warranties expressed or implied oral or written including but not limited to the implied warranties or merchantability and fitness for a particular purpose Seller is NOT responsible for loss of profits economic loss or other indirect incidental or consequential damages Integrated Systems and Control Inc PO 7682 Auburn CA 95604 Ph 530 878 9038 Fax 530 878 9137 Email for sales deshane isacinc com and for support rfollmer isacinc com PCMNET Web Ma
14. may be used as a Modbus RTU Master or Slave device on any Modbus RTU compatible network When configured as a Network Master up to 32 slaves v7 21 may be connected to it s RS485 network port When configured as a Network Slave the PCMNET may be connected to any Modbus RTU network and be used as a Smart network device ISAC designed Modbus RTU network masters have expanded network functions that go beyond the standard Modbus RTU capabilities FIG 1 PCMNET W ON BOARD MODEM SPECIFICATIONS PCMNET Board Size Height 5 75 Width 8 0 and Depth 2 0 Input Power 24VDC 0 2 at 1 2 Amps including 1 RLY80 The input power is fused at 1 25 Amps and there is a power switch on the board to switch the main input power The field terminals for connection of power are on a 3 position terminal strip TB4 TB4 1 is used to connect 24VDC power and TB4 3 is the RET return to the power supply If a second RLY80 Board is to be used with the control the fuse value and the 24VDC power requirement will need to be increased by 0 4 Amp In this case a 1 6 Amp fuse should be used and a power supply capable of supplying gt 1 6 Amps should be used If an Opto22 G4 I O rail system is to be used it will require a separate 5 0 VDC gt output power supply to power the rail and plugin modules Output Power Terminals are provided on the board for providing power for external sensors and output relays A 24vdc switched termina
15. nual doc 16
16. o a o o o o o JODO OD s m CO LO QN CO LO C ren STcITEETT UIII ZIL Ed c Ed zee XX SS N g o P Aj A 2 11 0 5 VDC SSE SSS SESSSES 0 5 VDC C FIG 8 ANALOG INPUT WIRING 11 NETWORKING Peer to Peer Networks The PCMNet s 1ObaseT Ethernet port may be used to connect the controller to LAN which may include other PCMNet s or an Enterprise wide host device The Ethernet port supports Modbus TCP IP as a communication protocol A cross over cable may be used to directly connect one PCMNet to another Connection through a hub is required when more than two devices exists on the LAN The PCMNet s TriNet operating language allows assignment of IP addresses and also supports many other internet protocols and server such as HTTP POP3 SMTP DNS and DHCP RJ11 connection to CO id outside phone line is equipped with on board modem E PCMNet A 32321223323 sis FIER ACA RC RE 9 9 coe ll c2 EL ES E t pw J6 Chassis earth Ground XL a a 4 3XH ol ea le
17. uld be UNINSTALLED normally 5 n u 6 Install to enable the battery support for the memory Remove for shipment 7 Jumper for AEH installed 4 20ma uninstalled 5vdc or Thermistor 8 Jumper for AIZ2 installed 4 20ma uninstalled 5vdc or Thermistor 10 Jumper for AI 3 installed 4 20ma uninstalled 5vdc or Thermistor 11 Jumper for Al 4 installed 4 20ma uninstalled 5vdc or Thermistor 12 Jumper for AI 5 installed 4 20ma uninstalled 5vdc or Thermistor 15 Jumper for AI 6 installed 4 20ma uninstalled 5vdc or Thermistor 16 Jumper for AI 7 installed 4 20ma uninstalled 5vdc or Thermistor 17 Jumper for AI 8 installed 4 20ma uninstalled 5vdc or Thermistor 18 Factory Installed must be installed for the PCMNET to function 19 Install this jumper when an On board Modem is installed Uninstall this jumper when the On board is not present or when the J4 connector is present JU20 Watchdog timer select Install in position A for normal operation pins 1 2 shorted shunt on pins closest to TB3 DO NOT CHANGE ARET Vtherm Vtherm w 2 ARet Al3 mm PCMNet unt 8 0 x 5 75 ogm i EH e J3 v A ee J8 10K 9 c 02000000 dz BDODOOOT amp DIO EROR RU DITO 5 Foo 8 g ARet Al7 Alg ARet anh Ret Ret 1 AO2 lal
18. useful in logic rules to provide temporary user overrides and for accumulating pulses such as from a power meter or flow meter When a RLY80 relay board is attached to the J7 connector of the PCMNET the digital status inputs of the relay board are duplicated or d with the PCMNET board TB3 terminated inputs Connecting a second RLY80 board to J8 expands the number of DI s to 16 Inputs DI9 to DI16 are terminated on the RLY80 board 24 VDC asore 6 FLD Dy Al 9 16 m z DI 1 8 RS485 Network eee oe Ethernet Network i 150066 nO O66 gh TTT T DIM MS Al 1 8 AO 1 2 FIG 2 PCMNET W 2 RLY80AND 1 AIXP A specially designed Opto22 rail may be used to directly connect J7 or J8 such that line voltage DI s can be directly used The Opto22 rail can accept 8 DI s and 8 DO s The Digital Inputs 1 8 may be configured to function as a pulse accumulator The Digital Input Definition programming screen include attributes for Pulse Sum Period and for a Multiplier that may be used to convert flow meter and power meter output signals into measured quantities The maximum pulse rate that can be accepted without error is 25 pulses second Digital Outputs The PCMNET board has 8 solid state sinking 24VDC digital outputs terminated on the PCMNET Board TB3 9 to TB3 16 Each output is capable of sinking switching to the RET terminal TB3 17 18 a load device that requires 100ma or less A typical loa
Download Pdf Manuals
Related Search