QUANTUM
™
LX EVAPORATOR CONTROL PANEL
COMMUNICATIONS SETUP
090.610-CS (MAY 2016)
Page 4
SECTION 9
Q4 CONTROLLER................................................................................................................................................111
Main Board History And Identification......................................................................................................................112
Q4 SERIAL COMMUNICATIONS HARDWARE.........................................................................................................113
General Description.................................................................................................................................................113
COM-1 and COM-2 Description................................................................................................................................113
COM-3 Description..................................................................................................................................................113
SERIAL COMMUNICATIONS PORT WIRING...........................................................................................................114
RS-232 Wiring And Jumpers...................................................................................................................................114
RS-422/485 Wiring And Jumpers............................................................................................................................115
RS-422 Signal Wiring........................................................................................................................................115
RS-485 Signal Wiring........................................................................................................................................116
SERIAL COMMUNICATIONS TROUBLESHOOTING.................................................................................................117
Troubleshooting RS-232..........................................................................................................................................117
Troubleshooting RS-422........................................................................................................................................117
Troubleshooting RS-484........................................................................................................................................118
COMMUNICATIONS DATA LOGGING SCREENS......................................................................................................119
Communications Log...............................................................................................................................................119
Modbus TCP Log.....................................................................................................................................................119
COMMUNICATIONS LOOPBACK TEST.................................................................................................................120
Description..............................................................................................................................................................120
Hardware Setup For Testing
RS-232.............................................................................................................................................................120
RS-422.............................................................................................................................................................120
RS-485.............................................................................................................................................................121
SOFTWARE SETUP FOR THE COMMUNICATIONS LOOPBACK TEST.....................................................................121
Performing The Communications Loopback Test....................................................................................................122
SECTION 10
APPENDIX A.......................................................................................................................................................124
Frick® Serial Communications Converter Module...................................................................................................124
Description......................................................................................................................................................124
Setting The Dipswitch......................................................................................................................................124
Mounting The Module.......................................................................................................................................124
Wiring The Module..........................................................................................................................................125
RS-232 Connections..................................................................................................................................125
RS-422 Connections..................................................................................................................................125
RS-485 Connections..................................................................................................................................125
APPENDIX B.......................................................................................................................................................126
Quantum™ LX Ethernet Communications Wiring....................................................................................................126
APPENDIX C.......................................................................................................................................................127
Quantum™ LX Local Ethernet Configurations..........................................................................................................127
APPENDIX D.......................................................................................................................................................128
Quantum™ LX Ethernet Network Configurations.....................................................................................................128
APPENDIX E.......................................................................................................................................................129
Quantum™ LX Serial Communications Wiring.........................................................................................................129
Serial Communications Wiring Diagrams.................................................................................................................132
To Customer Remote Computer/DCS...............................................................................................................132
RS-485 Communications...........................................................................................................................132
RS-422 Communications...........................................................................................................................132
The Quantum™ has the capability of being modified by the user/owner in order to obtain different performance character-
istics. Any modification to the standard default settings may have a severe negative impact on the operation and perfor-
mance of the equipment. Any modification to these control settings is the sole responsibility of the user/owner and Johnson
Controls disclaims any liability for the consequences of these modifications. It is possible that the modification of these
settings may cause improper operation and performance that result in property damage, personal injury or death. It is the
responsibility of the user/owner to evaluate and assess the consequences of their actions prior to modifying the controls
for this unit.
Содержание QUANTUM LX Control Panel
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