Standard Screw Compressor - RWB Series
viii
M&M
R
EFRIGERATION
I
NC
.
Password Control ................................................................. 5-19
Add/Delete User .............................................................. 5-20
Screen Access Levels ...................................................... 5-21
Initialization ......................................................................... 5-22
Power Fail Reset .............................................................. 5-23
Set Factory Config........................................................... 5-24
Configuration ....................................................................... 5-25
Display............................................................................. 5-26
Communication Setup ..................................................... 5-27
Motor Configuration........................................................ 5-28
Set Operating Status ........................................................ 5-29
APPENDIX A Alarm and Failure Data
Analog Alarms.............................................................................. A-1
Discrete Alarms ........................................................................... A-3
APPENDIX B Analog and Discrete I/O
Analog Inputs................................................................................ B-1
Discrete I/O RACK 1.................................................................... B-2
APPENDIX C Communication Protocols
Introduction................................................................................... C-1
Applicable Documents.................................................................. C-1
Hardware Interface Description.................................................... C-2
Hardware Requirements ........................................................... C-2
Interface Connections............................................................... C-2
Message Addressing................................................................. C-4
Software Interface Description ..................................................... C-7
Protocol Overview.................................................................... C-7
Status Only or Status and Control Options............................... C-7
Message Categories .................................................................. C-7
MODBUS Protocol Description............................................... C-8
Read Holding Registers........................................................ C-8
Preset Single Register .......................................................... C-9
Preset Multiple Registers ..................................................... C-9
Error Messages..................................................................... C-9
DF1 Protocol Description......................................................... C-11
Protected Typed Logical Read ............................................. C-11
Protected Typed Logical Write............................................. C-12
Word Range Read................................................................. C-12