Communications Wiring Diagram - Johnson Controls FRICK QUANTUM HD Maintenance Manual

090.040-M (MAR 12)
Page 106
To Customer
Remote
-RX/-TX
Computer / DCS
+RX/+TX
System
- Cable -
Belden #9841
#24 AWG or Equal
-TX
To Customer
+TX
Remote Computer
/ DCS System
-RX
+RX
- Cable -
Belden #9829
#24 AWG or Equal
This drawing appears here for reference purposes only, and is subject to change without notice. When installing, or servicing equipment,
always refer to the actual drawings that are included with the control panel for the latest information.
QUANTUM™ HD COMPRESSOR CONTROL PANEL
MAINTENANCE
COMMUNICATIONS WIRING DIAGRAMS
TO CUSTOMER REMOTE COMPUTER/DCS
RS-485 COMMUNICATIONS
Q1 OR 1 OR Q2 2
COM-2 (P12)
BLK BLK
1
CLR
CLR
2
3
4
5
COMPRESSOR #2
6
7
8
COMPRESSOR #1
TO CUSTOMER REMOTE COMPUTER/DCS
RS-422 COMMUNICATIONS
Q1 Q1 OR OR Q Q 2 2
COM-2 (P12)
BLK BLK
1
GRN GRN
2
BLK BLK
3
RED RED
4
5
COMPRESSOR #2
6
7
8
COMPRESSOR #1
Q3 OR 3 OR Q4 4 Q3 OR
COM-2 (TB2) COM-2 (TB2)
BLK
BLK
1
CLR CLR
2
3
4
COMPRESSOR #3
Q3 OR 3 OR Q4 4
COM-2 (TB2)
COM-2 (TB2)
BLK
1
GRN
2
BLK
3
RED
4
COMPRESSOR #3
3 OR Q4 4
Q5 5
COM-2 (P11)
BLK
1
CLR
2
C
3
4
COMPRESSOR #4
Q5 Q5
Q Q 4
COM-2 (P11)
BLK
1
GRN
2
BLK
3
RED
4
COMPRESSOR #4
1
-RX/-TX
2 +RX/+TX
3
4
5
1 -RX
2
+RX
-TX
3
4
+TX
5
N/C