Westermo RM-115S - Manual (Page 4)

115S Serial I/O Module User Manual
Page 4 June 2011
CONTENTS
1 OVERVIEW ............................................................................................................... 5
1.1 M ODULE TYPES AND FEATURES .........................................................................................7
1.1.1 Digital inputs / outputs ............................................................................................ 7
1.1.2 Pulsed outputs ......................................................................................................... 7
1.1.3 Pulsed inputs ........................................................................................................... 8
1.1.4 Analog inputs .......................................................................................................... 8
1.1.5 Analog outputs ........................................................................................................ 9
1.1.6 Communications ................................................................................................... 10
2 INSTALLATION ..................................................................................................... 11
2.1 G ENERAL INSTALLATION .................................................................................................11
2.1.1 Power Connection ................................................................................................. 11
2.1.2 Address Switches .................................................................................................. 12
2.2 S IGNAL C ONNECTIONS .....................................................................................................13
2.2.1 Digital Inputs (and Pulsed Inputs) ........................................................................ 13
2.2.2 Digital Outputs (and Pulsed Outputs) ................................................................... 14
2.2.3 Analog Inputs ........................................................................................................ 14
2.2.4 Analog Outputs ..................................................................................................... 18
3 CONFIGURATION ................................................................................................. 21
3.1 ELPRO E XPANSION I/O CONFIGURATION . ......................................................................21
3.2 MODBUS S LAVE C ONFIGURATION .................................................................................23
4 HARDWARE CONFIGURATION ........................................................................ 24
4.1 C ONNECTING TO THE 115S MODULE ................................................................................24
4.2 C ONFIGURATION COMMON TO ALL MODULES .................................................................25
4.2.1 Communications ................................................................................................... 25
4.2.2 Modbus Output Timeout on Comms fail .............................................................. 26
4.2.3 Configurable ACK Timeout ................................................................................. 27
4.2.4 Pulsed outputs ....................................................................................................... 28
4.3 115S-11 CONFIGURATION ................................................................................................29
4.3.1 Pulsed Inputs ......................................................................................................... 29
4.4 115S-12 CONFIGURATION ................................................................................................30
4.4.1 Voltage input ........................................................................................................ 30
4.4.2 Current input ......................................................................................................... 33
4.5 115S-13 CONFIGURATION ................................................................................................36
4.5.1 Voltage output ...................................................................................................... 36
4.5.2 Current output ....................................................................................................... 38
5 OPERATION ............................................................................................................ 40
5.1 115S-11 MODULE .............................................................................................................40
5.2 115S-12 MODULE .............................................................................................................41
5.3 115S-13 MODULE .............................................................................................................43
5.4 H EXADECIMAL REPRESENTATION OF VOLTAGE AND CURRENT LEVELS ..........................45
APPENDIX A. MODBUS ADDRESS MAP ................................................................. 46
A.1. 115S-11 ...............................................................................................................................46
A.2. 115S-12 ...............................................................................................................................48
A.3. 115S-13 ...............................................................................................................................50
APPENDIX B. MODBUS FUNCTIONALITY ............................................................ 52
APPENDIX C. COMMS RECOVERY ........................................................................ 53