ADR2200 USER MANUAL - Ontrak Control Systems
Contents
1. H By d B 00 5 00 d dl d Hf g ou g p 0 0c A 0 0 q H N o m q N q Ha q H lt lt 5 3 5 55 lt lt C7 O70 5353 es a og tt removed Toa os os ot tr Contact TTL Input Input Signal Figure 9 Typical Event Counter Connections Note The ADR2200 is shipped with C7 installed ONTRAK CONTROL SYSTEMS INC 15 20 www ontrak net The following sample BASIC program reads the count input and displays the count result continuously on the video screen 10 OPEN COM1 9600 N 8 1 CS DS RS AS 1 open com port 20 CLS clear screen 30 LOCATE 1 1 locate cursor 40 PRINTZ1 CE clears event counter 50 PRINT PRESENT COUNT IS COUNT displays count data 60 PRINTZ1 RE isends RE command to ADR2200 70 INPUTZ1 COUNT retrieves count data 80 GOTO 50 repeat procedure 10 Using Interrupt Functions The ADR2200 has four digital input lines PAO PA1 PA2 PA3 that can be used to provide interrupt to the host when an input is pulled low Additionally a sixteen bit trigger register can be loaded to provide an interrupt when the event counter reaches a specific count All inputs have built in pull up resistors tied to the 5 volt supply When interrupts are enabled bringing any line low or when the event counter reaches the trigger value a two digit value is returned to the host The first digit is the board address 0 9 and the sec2. 004 p 001 olololo 8 3 i 4 olololo e 88 8 e 3215 52 51232882 892 88 4H ud QH 4H Lg ig e 2 UH LH hd Ly jeg 252 2 K5 98 gt 52 Ko K2 K5 98 INPUT RELAY OUTPUT POWER INPUT RELAY OUTPUT POWER Figure 5c Typical Daisy Chain Application C Sending Commands Once a board is jumpered it will respond only to commands preceded by its address as a single digit integer number For example to read PAO on board 3 the command 3RPAO lt cr gt is sent To set K4 on board 7 the command 7SK4 lt cr gt is sent Spaces sent between the board address and commands are ignored Board zero will respond to both commands with no preceding address and commands preceded with a zero for reasons of continuity Never connect two boards with the same address on the same chain This will result in both boards responding at the same time and will cause contention on the network with possible damage to the ADR boards 7 Relay Output Connections There are eight N O relay outputs on the ADR2200 labeled KO thru K7 The relays are capable of switching up to 1Amp 30VDC or 0 5Amp 120VAC Connections of AC or DC loads are made to TB1 EE ADR2200 _ 0600906540906 picks wov
3. 0 ADR2200 Sood Sooo is eg 8421 ONTRAK i CONTROL p ADDRESS SYSTEMS 0 TEE 1000000 EL ELELELELELBL EI L c U Tooo coodoooo mn 2122 0929090290260 6 0909090292606 geg gg GH LH LH GH QH gt gt K1 K2 K3 K4 K5 K6 K 9 g INPUT RELAY OUTPUT POWER ONTRAK CONTROL SYSTEMS INC 18 20 www ontrak net APPENDIX B ELECTRICAL SPECIFICATIONS ADR2200 Supply Voltage Supply Current Relays De energized Supply Current All Relays Energized Operating Temperature Contact Outputs 8 Type AC Rating DC Rating Approvals Mechanical Life Electrical Digital Inputs 4 Type Input Voltage High Input Voltage Low Event Counter 1 Type Resolution Communication Interface RS232 and RS485 5VDC 10 or 7 15VDC 40mA Typical 50mA Maximum 250mA Typical 300mA Maximum 0 50C SPST 0 5 Amp 120 VAC 1 0Amp 30VDC Max UL CSA 5 000 000 Operation Minimum 100 000 Operations Minimum at full load TTL or Contact weak pull up 4 00V minimum 0 8V maximum TTL or Contact 16 bits 9600 baud 8 bit words no parity 1 start bit Daisy chain via RS485 Visit our web site at http www ontrak net for additional applications and programming examples ONTRAK CONTROL SYSTEMS INC 19 20 www ontrak net APPENDIX C MOUNTI
4. B Physically Connecting Boards C Sending commands A Setting Address Jumpers The ADR2200 can be daisy chained regardless of the type of serial interface provided by the host computer Each board on the chain must be assigned an address via the BCD address jumper block on the ADR2200 Up to ten boards may be daisy chained The following table shows how to jumper the address jumper block to select a board address Position 8 Position 4 Position 2 Position 1 Address JUMP 1 OPEN OPEN JUMP OPEN 2 OPEN JUMP OPEN JUMP 5 OPEN JUMP JUMP OPEN 6 ae ae ee Table 1 Address Jumper Settings B Physically Connecting Boards The ADR2200 series interface boards have two DB9 connectors that allow daisy chaining The data format used in daisy chaining is RS485 regardless of the host communication type To connect boards on a chain a daisy chain cable must be constructed The cable must provide two connections for the RS485 signals A typical daisy chain cable is shown in Figure 5a DB9P male DB9P male TX 5 5 TX TX 4 4 TX Figure 5a Daisy chain cable Power may be shared in daisy chained ADR2200 series interfaces if two extra conductors are added to the daisy chain cable Care should be taken that the output current limitation on the power supply is not exceeded The connections for a powered daisy chain cable are shown in Figure 5B NOTE Pow
5. e ID Command 9 4 Using BASIC with ADR Products 10 5 Using TURBO C with ADR Products 11 6 Daisy Chain Options for the ADR2200 13 7 Relay Output Connections 14 8 Digital Input Connections 15 9 Event Counter Connections 15 10 Using Interrupt Functions 16 APPENDIX A CONNECTION DIAGRAM 18 B ELECTRICAL SPECIFICATIONS 19 C MOUNTING DIMENSIONS 20 ONTRAK CONTROL SYSTEMS INC 2 20 www ontrak net READ ME FIRST Thank you for purchasing this ADR2200 Relay 1 0 Interface There are three steps to using the ADR2200 1 Connecting your computer or terminal to the ADR2200 2 Providing power to the ADR2200 3 Sending commands to the ADR2200 This manual will provide guidance for completing these steps along with BASIC and TURBO C programming tips Additional applications and programming examples are available on our web page at http www ontrak net FEATURES 8 N O contact outputs 4 digital inputs 16 bit contact or TTL input event counter interrupt capabilities on all inputs to eliminate polling on board RS232 to RS485 converter daisy chainable up to 10 boards daisy chainable power supply power up via standard wall adapter optional simple yet versatile commands easy to use with Visual BASIC or TURBO C programs compatible with all ADR2000 series interfaces ONTRAK CONTROL SYSTEMS INC 3 20 www ontrak net 1a THE ADR2200 RS232 INTERFACE The ADR2200 communicates via a standard RS232 port utilizing a simple three
6. wire interface The only signals used are received data RC transmitted data TX and ground GND Most RS232 ports use hardware handshaking i e DTR DSR CTS RTS signals to control the flow of data on the port For this reason the cable required to connect to the ADR2200 must have jumpers on the DB25 end to satisfy these handshaking requirements IBM or compatible computers may be used as a host computer with the supplied cable The supplied cable has the following connections ADR IBM etc DB9P male DB25S female RC 3 RED 2 TX 7 WHITE 3 RC GND 2 BLACK 4 RTS 1 5 CTS 6 DSR 7 GND 8 DCD L 20 DTR Figure 1 Supplied Cable Wiring Diagram If the host computer has a 9 pin serial port connector a 9 pin to 25 pin adapter cable will be required to connect to the ADR2200 cable This adaptor is available at most computer dealers If desired the DB25 connector on the supplied cable may be removed and a female DB9S connector can be soldered in its place using the following wiring diagram ADR IBM etc DB9P male 089 female RC 3 RED 3 TX TX 7 WHITE 2 RC GND 2 BLACK 5 GND r7 RTS 8 CTS r 1 DCD 6 DSR 4 DTR Figure 2 Modified Wiring Diagram For 9 PIN SERIAL PORTS If the host computer has a female DB25 connector a male to male adapter is required to use the supplied cable This may be purchased at most com
7. ADR2200 RS232 RS485 RELAY I O INTERFACE USER MANUAL V 3 0 Caution The ADR2200 is a static sensitive device Observe proper procedures for handling static sensitive devices ONTRAK CONTROL SYSTEMS INC 764 Notre Dame Avenue Unit 1 Sudbury Ontario CANADA P3A 2T2 705 671 2652 VOICE 705 671 6127 FAX www ontrak net WEB Ontrak Control Systems Inc reserves the right to change product specifications to improve the product Although every attempt has been made to insure accuracy of information contained in this manual Ontrak Control Systems Inc assumes no liability for inadvertent errors Warranty This ADR2200 is warranted from defects in workmanship and materials for a period of 90 days Liability for defects is limited to the purchase price of the product This warranty shall not apply to defects resulting from improper modifications or use outside published specifications Hyperterminal and Windows are trademarks of Microsoft Corporation APPLE MACINTOSH and MAC are trademarks of Apple Computer Inc PC XT AT PS 2 are trademarks of International Business Machines Inc COPYRIGHT 1999 ONTRAK CONTROL SYSTEMS INC TABLE OF CONTENTS READ ME FIRST 3 1 Communication options a The ADR2200 RS232 Interface 4 b The ADR2200 RS485 Interface 5 2 Powering the ADR2200 5 3 ADR2200 Command Set 6 a Relay Output Commands 7 b Digital Input Commands 8 C Event Counter Commands 8 C Interrupt Commands 9
8. MSB LSB example RPK lt CR gt 01110010 K7 K2 KO are de energized K5 K4 K1 are energized ONTRAK CONTROL SYSTEMS INC 7 20 www ontrak net RPKn example PK example Returns status of relay specified by n n 0 to 7 RPK4 lt CR gt 1 K4 is energized contact closed Returns status of all relays in decimal format PK lt CR gt 128 K7 is energized PK6 thru are de energized b Digital Input Commands There are four digital inputs on the ADR2200 labeled PAO to PA3 PORT A There are three commands provided to read the status of the inputs in various formats RPA example RPAn example PA example Returns status of all input lines in PORT A in binary format Order is MSB LSB RPA lt CR gt 0111 PA2 PA1 PAO are high is low Returns status of input line in PORT A specified by n n 0 to 3 RPA2 lt CR gt 1 PA2 is high Returns status of PORT A in decimal format PA CR 15 All inputs are high c Event Counter Commands The ADR2200 is equipped with a 16 bit event counter that accepts TTL or contact input There are three commands available to read and clear the event counter If the maximum count of 65535 is reached the counter will rollover to 00000 RE example CE ONTRAK CONTROL SYSTEMS INC 8 20 www ontrak net Returns decimal value of event counter RE lt CR gt 00456 Present count is 456 Clears event
9. NG DIMENSIONS ADR Interface Mounting Dimensions inches lt 3 0 gt nm o ADR101 ADR112 ae Ext Dim 3 0 X 2 8 Hole Pat 2 6 X 2 4 2i Hole Dia 0 125 FRONT lt 5 4 gt ADR2000A ADR2000B 50 ADR2100 ADR2010 A ADR2200 ES Ext Dim 5 4 X 2 8 Hole Pat 5 0X2 4 Hole Dia 0 125 v1 FRONT 4 7 8 gt ADRTERM i E Ext Dim 7 8 1 5 1 5 11 y d Hole Pat 7 4 1 1 o x ERONE Hole Dia 0 125 ONTRAK CONTROL SYSTEMS INC 20 20 www ontrak net
10. NTRAK CONTROL SYSTEMS INC 6 20 www ontrak net 3 ADR2200 COMMANDS a Relay Output Commands There are 8 relays outputs on the ADR2200 labeled KO K7 They can be controlled individually or as a port PORT K The following commands allow relays to be individually set or reset or the whole port to be configured with a single command Three commands also allow the reading of the relay status and are provided for applications where confirmation of commands is required SKn Sets closes contact of relay specified by n 0 7 example SK3 lt cr gt Relay K3 is energized and its contacts close RKn Resets opens contact of relay specified by n port K n20 7 example RKO lt cr gt Relay KO is de energized and its contacts open SPKxxxxxxxx Outputs binary data to PORT K All eight bits must be specified Order is MSB LSB x 1 to set relay or 0 to reset relay example SPA10101000 lt CR gt Relays K7 K5 and K3 are energized contacts close and relays K6 K4 K2 K1 and KO are de energized contacts open Mkddd Outputs decimal data ddd to PORT K Relays are set or reset depending on binary equivalent of ddd ddd 000 to 255 example MK255 lt CR gt All Relays are energized contacts close NOTE The following three commands allow reading of the status of the relays and are provided for use if verification of commands is desired RPK Returns status of all Relays in binary format Order is
11. al Basic and 5 Sending Commands in TURBO C to the ADR2200 This section will demonstrate how to send and receive data from the ADR2200 using TURBO C It outlines the commands used to configure the serial port bioscom send data out through the serial port fprintf and receive data through the serial port fscanf Commands used in TURBO C to access the ADR2200 require the following include files to be declared at the start of TURBO C programs include lt stdio h gt include lt bios h gt CONFIGURING THE SERIAL PORT The first step in accessing the ADR2200 via the serial port is configuring the serial port to the proper communication parameters which are 9600 baud 8 bit words no parity This is done using the bioscom command The syntax for this command is bioscom O settings com1 where settings is previously defined as HEX and is defined as 0 Defining settings and com 1 should be done using define com1 0 define settings OxE3 These statements should be placed immediately following your include files The bioscom command needs only to be executed once before the ADR2200 is accessed SENDING COMMANDS TO THE ADR2200 To send commands to the ADR2200 the fprintf command is used For example the following command sends an SKO Set relay KO command to the ADR2200 fprintf stdaux SKO XD The xD suffix sends a carriage return after the command which is needed by the ADR2200 t
12. counter example CE lt CR gt Event counter is cleared to 00000 REC Reads and clears event counter example REC lt CR gt 12034 Count is returned 12034 and counter is reset to 00000 e Interrupt Commands The ADR2200 has four digital input lines PAO PA1 PA2 PA3 that can be used to provide interrupt to the host when an input is pulled low Additionally a sixteen bit trigger register can be loaded to provide an interrupt when the event counter reaches a specific count All inputs have built in pull up resistors tied to the 5 volt supply When interrupts are enabled bringing any line low or when the event counter reaches the trigger value a two digit value is returned to the host The first digit is the board address 0 9 and the second identifies the source of the interrupt 1 for PAO 2 for PA1 3 for PA2 4 for PA3 and 5 for an event counter match For example an interrupt on PAO on board 0 returns 01 an event counter match on board 3 returns 35 Interrupts generated at the same instant will be returned with highest priority given to PAO followed by PA1 PA2 PA3 and lastly an event counter match All interrupts are disabled on power up See the applications section titled Using Interrupt Functions for further details The Interrupt commands are IE Enables all interrupts ID Disables all interrupts IS Returns status of interrupts 0 if disabled 1 if enabled Tinnnnn Loads event counter tr
13. ed with the following specifications to enable communications to the ADR2200 9600 Baud 8 bit words 1 stop bit no parity Line feeds should NOT be sent after commands as they may collide with data being returned from the ADR2200 2 PROVIDING POWER TO THE ADR2200 The ADR2200 may be powered using a regulated 5 volt power supply or a suitable wall adaptor Power to daisy chained ADR2200 may also be supplied via the daisy chain cable See the Daisy chaining section of this manual for further information POWER UP USING A 5 VOLT REGULATED SUPPLY If the ADR2200 is to be powered using a regulated 5 volt power supply the 5VDC and GND connections are to be made to the ADR2200 via the main terminal block TB1 The supply must be able to provide a minimum of 300mA Care must be taken to avoid improper power supply connection as permanent damage to the ADR2200 may result if connected improperly No connection to J2 is to be made if the ADR2200 is powered by a regulated 5 volt supply POWER UP USING A WALL ADAPTOR The ADR2200 has an on board 5 volt regulator allowing the use of a 9 volt wall adaptor to power the internal circuits The regulator should be able to provide from 300 500mA MODE 68 950 1 The regulator must have a standard 2 1mm center negative coaxial connector The connector can then be inserted into J2 on the ADR2200 When the ADR2200 is powered by a wall adaptor the on board regulator also may provide a regulated 5 volts DC out
14. er sharing is available only if power is applied via J2 7 15VDC ONTRAK CONTROL SYSTEMS INC 13 20 www ontrak net DB9P male DB9P male TX 5 5 TX TX 4 4 TX 9VDC 6 6 9VDC GND 1 1 GND Figure 5b Powered Daisy Chain Cable The Daisy chain cable can be connected from J3 to either J1 or J3 on additional ADR2200 interfaces Both J1 and J3 have identical pinouts for RS485 and power signals used for daisy chain applications Figure 5c shows a typical daisy chain application If a Powered daisy chain cable is used power need only be connected to J2 on any one ADR2200 in the chain To Host To Additional 1 ADR s ar n 7 o o o o o jo o C1999 C1999 ADR2200 mmus ADR2200 Dee e ONTRAK co d h 100990 ADDRESS lt gt Sets Hd 129290 ADDRESS gt SENS d Al i b g 003 d 5 003 i bof d B q UUUUUuuuuuuuuu
15. igger value nnnnn 0 to 65536 example TL10500 lt CR gt Event counter trigger is set to 10500 TS Returns event counter trigger value Example TS lt CR gt 10500 Trigger is currently set at 10500 e ID Command IDN Returns ID code 2200 may be omitted ONTRAK CONTROL SYSTEMS INC 9 20 www ontrak net 4 Sending Commands in BASIC to the ADR2200 OPENING A SERIAL FILE Commands may be sent to the ADR2200 using a terminal emulation program such as Hyperterminal by simply typing commands and pressing lt cr gt With BASIC the ADR2200 is connected to the computer via a serial cable and BASIC treats the ADR2200 as a serial file Before commands can be sent to the ADR2200 this serial file must be opened and initialized This should be done at the start of any program that is to access the ADR2200 The command to open a serial file is shown below 10 OPEN COM 1 9600 n 8 1 CS DS RS AS 1 This line opens a serial file and labels it as serial file 1 This allows access to the ADR2200 using PRINT 1 and INPUT 1 commands SENDING COMMANDS Sending commands in BASIC to the ADR2200 can be done using PRINT 1 commands For example sending an RKO command could be done as shown below 20 PRINT 1 RKO Extra spaces inside the quotes are ignored by the ADR2200 Avoid sending commands on consecutive lines because a CR is not sent after the first command resulting in an unrecognized command A REM statement sh
16. o recognize a command Integer variables may also be used in the command line For example the following command sends a MKddd make port K ddd command where DOUT is a previously defined integer value of 0 to 255 ONTRAK CONTROL SYSTEMS INC 11 20 www ontrak net fprintf stdaux MK d xD DOUT RECEIVING DATA FROM THE ADR2200 If a command sent to the ADR2200 is a responsive command that is one that results in data being sent back to the host the data is retrieved using the fscanf command After this command is used the serial buffer must be re initialized using the rewind command The syntax for this command is rewind stdaux This command is executed after data is retrieved using the fscanf command For example the following commands send a RPAO command and stores the retrieved data in an integer variable named PAO fprintf stdaux RPAO xD fscanf stdaux D amp PAO rewind stdaux In this example the command PA read port A Jis sent to the ADR2200 and the retrieved data is stored in an integer variable named PORTA fprintf stdaux PA xD fscanf stdaux 96D amp PORTA rewind stdaux Visit our web page at www ontrak net for additional programming examples in BASIC Visual Basic C Labview and TestPoint ONTRAK CONTROL SYSTEMS INC 12 20 www ontrak net 6 Daisy Chain Options for the ADR2200 Daisy chaining ADR2200 series boards involves three steps A Setting Address Jumpers
17. ommand resulting in the ID command not being received by the ADR2200 3 Once an interrupt is generated and data is sent to the host no further interrupts will be generated by that particular input unless the IE command is sent When interrupt data is sent to the host that input is masked and the issuing the command IE is the only method ONTRAK CONTROL SYSTEMS INC 16 20 www ontrak net to un mask the input The following example shows use of the interrupts using Visual BASIC The application is a counter application which is initiated when an operator activates the Start Count button which is connected to PAZ At this point the event counter counts the pulses from the TTL compatible proximity detector and energizes KO when a count of 160 is reached Private Sub Start_Click With MSComm1 u ADR2200 292906 292606 2602906260906 ey ye rd RELAY OUTPUT POWER OUTPUT 5 TTL 5 GND Compatible Inductive Prox Rem Ensure Relay is off Output RKO Chr 13 Rem Enable interrupts Output IE Chr 13 Rem Wait for interrupt from switch Do Dummy DoEvents Loop Until MSComm InBufferCount gt 3 Rem Display interrupt in text window Text1 Text input Rem Clear event counter Output Chr 13 Rem Load trigger register with 160 enables counter interrupt Output TL160 Chr 13 Rem Wait for interr
18. ond identifies the source of the interrupt 1 for PAO 2 for PA1 3 for PA2 4 for PA3 and 5 for an event counter match For example an interrupt on PAO on board 0 returns 01 an event counter match on board 3 returns 35 Interrupts generated at the same instant will be returned with highest priority given to PAO followed by PA1 PA2 PA3 and lastly an event counter match All interrupts are disabled on power up The Interrupt commands are IE Enables all interrupts ID Disables all interrupts IS Returns status of interrupts 0 if disabled 1 if enabled Tinnnnn Loads event counter trigger value nnnnn 0 to 65536 TS Returns event counter trigger value Notes To Operation 1 The IE command is used to enable all interrupts however the event counter match interrupt is not enabled unless a trigger value other than 0 is loaded into the trigger register using the TLnnnnn command The trigger register is loaded with 0 on power up To disable the event counter match interrupt an any time load the trigger register with 0 using the TLnnnnn command 2 The IS interrupt status command should be used following an ID interrupt disable command to verify interrupts have been disabled This may be required in cases where there is a possibility of an interrupt being generated when the ID command is issued The primary communication used by ADR2000 series interfaces is Half Duplex RS485 and interrupt data may collide with the ID c
19. ould be inserted between consecutive PRINT 1 commands as shown below 20 PRINT 1 SKO 30 REM FORCES CR 40 PRINT 1 RK6 Variable names may also be used with PRINT 1 commands One example of this shown below This program turns on each relay in sequence with a slight delay determined by LINE 40 10 OPEN COM1 9600 n 8 1 CS DS RS AS 1 20 FOR X 0 to 7 30 PRINT 1 SK X 40 FOR D 1 to 100000 NEXT D 50 NEXT X 60 END RECEIVING DATA When reading the digital port event counter or relay status data is sent from the ADR2200 to the host computers serial buffer This data can be retrieved using INPUT 1 commands The INPUT 1 command should be used following PRINT 1 commands if data is expected to be sent by the ADR2200 If a single piece of data is expected then one variable name should be used with the INPUT 1 command If eight pieces of data are to be received as with the RPK command then eight variable names must be used with the INPUT 1 command Examples of both cases are shown below ONTRAK CONTROL SYSTEMS INC 10 20 www ontrak net 20 PRINT 1 RPAO 30 INPUT 1 PAODAT 40 PRINT 1 RPK 50 INPUT 1 K7STAT K6STAT K5STAT KASTAT K3STAT K2STAT K1STAT KOSTAT The variable names used in the INPUT 1 commands now contain the data sent by the ADR2200 The data can now be printed displayed saved or whatever is required by the application Visit our web page at www ontrak net for additional programming examples in BASIC Visu
20. ow vy wow voa S d ano 0 0 K1 RELAY OUTPUT POWER 12V Figure 7 Typical Relay Contact Connection ONTRAK CONTROL SYSTEMS INC 14 20 www ontrak net 8 Digital Input Connections The four digital inputs on the ADR2200 have weak pull up resistors built in allowing direct connection of dry contact inputs from any source including switches and relays TTL signal sources including TTL or NPN type proximity sensors can also be directly connected to PAO thru 090906406406 Pics vog Y ow ow ow osi gt gt gt O gt N RELAY OUTPUT POWER Figure 8 Typical Digital Input Connections voa 1 ano 10 8 111 5 eva 9 Event Counter Connections The event counter can be configured to accept TTL or dry contact inputs TTL type inputs may be connected directly to the ECA input while dry contacts must be connected between GND and the ECA input ECA is connected to the 5VDC supply via a 15K ohm pull up resistor NOTE C7 isa 0 1uF debounce capacitor for use with dry contact inputs This capacitor must be removed if the input signal is a TTL type Events are counted on the rising edge of the input which is when the TTL signal switches from low to high or the dry contact opens
21. puter dealers Apple Macintosh computers may be connected to the ADR2200 using MAC to DB25 DTE conversion cable Once connected to the RS232 based host computer or terminal the RS232 port should be configured to the following specifications to allow communication with the ADR2200 9600 baud 8 bit words 1 stop bit no parity If using BASIC or C consult the appropriate section in this manual for details on how to configure your serial port If a terminal or terminal emulation program is used configure your terminal to the above specifications using the operations manual for your terminal equipment or terminal emulation program 1b THE ADR2200 RS485 INTERFACE ONTRAK CONTROL SYSTEMS INC 4 20 www ontrak net The ADR2200 RS485 interface is a two wire connection meeting all the standards of the EIA RS485 interface specifications The supplied cable is NOT an RS485 cable To communicate via RS485 the host computer must have an RS485 port and be connected directly with two wires TR and TR A typical connection diagram is shown in figure 2 ADR Omega COM 485 DB9P male J1 or J3 DB9P male TX 5 8 TX 4 9 TX Figure 2 Typical RS485 Connection Note that both J1 and J3 are RS485 compatible ports Connection from the host to the ADR2200 should be made using J1 and then J3 is used to enable daisy chaining additional ADR2000 series products The host RS485 port should be configur
22. to provide power to external circuits This 5 volt supply is available on TB1 The amount of current available depends on the number of relays to be energized at one time For safe operation no more than 50mA should be drawn from the power terminals to power external circuits ONTRAK CONTROL SYSTEMS INC 5 20 www ontrak net RELAY OUTPUT COMMAND SUMMARY SKn Sets closes contact Relay specified by n n 0 to 7 RKn Resets opens contact Relay specified by n n 0 to 7 SPKxxxxxxxx Output binary data to Relay PORT x 1 MKddd Outputs decimal data ddd to Relay PORT K ddd 0 to 255 RPK Returns status of all Relays in PORT K in binary format RPKn Returns status of Relay specified by PORT K 0 07 PK Returns status of Relay PORT K in decimal format DIGITAL INPUT COMMAND SUMMARY RPA Returns status of all I O lines in PORT A in binary format RPAn Returns status of I O line specified by n n 0 to 3 PA Returns status of PORT A in decimal format EVENT COUNTER COMMAND SUMMARY CE Clear event counter RE Returns present count of event counter REC Returns present count of event counter and clears event counter INTERRUPT COMMAND SUMMARY IE Enable Interrupts ID Disable Interrupts IS Returns Interrupt Status 1 if enabled 0 if disabled TLnnnnn Loads Event Counter Trigger nnnnn 0 to 65535 TS Returns Event Counter Trigger Value ID COMMAND IDN Returns 4 digit product identifier code O
23. upt from event counter Do Dummy DoEvents Loop Until MSComm InBufferCount gt 3 Rem Display interrupt in text window Text1 Text input Rem Energize relay KO Turns on RED lamp Output SKO Chr 13 End With End Sub Notes on operation of program 1 Waiting for interrupts requires a loop until 3 characters Interrupt Data CR are received by the serial input buffer 2 Interrupt data is retrieved to empty the input buffer and displayed in a text window for troubleshooting purposes 3 Interrupt data can be read as a variable and tested to determine source of interrupt In this example it was not required as only one interrupt was possible at one time The counter interrupt 05 was not enabled until the switch interrupt 03 was received ONTRAK CONTROL SYSTEMS INC 17 20 www ontrak net APPENDIX A CONNECTION DIAGRAM J1 RS232 RS485 1 GND 2 GND 3 RC RS232 4 and 8 TR RS485 5 and 9 TR RS485 6 VDC 7 TX RS232 J3 RS485 1 GND 2 GND 4 and 8 TR RS485 5 and 9 TR RS485 6 VDC J2 7 15 VDC 2 1mm Center Negative LLELELTI
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