Omron CQM1H-SCB41 Operation Manual page 249

E5@J Temperature Controller Protocol
Note 1. The connection configuration is a one-to-one or a one-to-N configuration. Using a one-to-N configu-
ration, up to 32 units can be connected including the Serial Communications Board.
2. The maximum cable length is 500 m. Use shielded twisted-pair cable (AWG28i or greater).
3. Connect terminating resistance to the devices only at both ends of the transmission path.
4. The total terminating resistance at both ends must be at least 100
Select Remote Mode (Sequence No. 200)
Switches the Controller to remote mode.
Send Data Word Allocation (2nd Operand of PMCR)
First word of send
data
Receive Data Word Allocation (3rd Operand of PMCR)
None.
Select Local Mode (Sequence No. 201)
Switches the Controller to local mode.
Send Data Word Allocation (2nd Operand of PMCR)
First word of
send data
Receive Data Word Allocation (3rd Operand of PMCR)
None.
Select Backup Mode (Sequence No. 202)
Switches from the set point write mode to backup mode.
Send Data Word Allocation (2nd Operand of PMCR)
First word of
send data
Receive Data Word Allocation (3rd Operand of PMCR)
None.
234
Number of send data words
+0
(Undefined) Unit No.
+1
Offset Contents (data format)
+0 Number of send data words
(4 digits BCD)
+1 Unit No. (2 digits BCD)
Number of send data words
+0
+1 (Undefined)
Unit No.
Offset Contents (data format)
+0 Number of send data words
(4 digits BCD)
+1 Unit No. (2 digits BCD)
+0 Number of send data words
(Undefined)
+1
Offset Contents (data format)
+0 Number of send data words
(4 digits BCD)
+1 Unit No. (2 digits BCD)
for RS-422A or 54
0002 (fixed)
00 to 31
0002 (fixed)
00 to 31
Unit No.
0002 (fixed)
00 to 31
Appendix G
for RS-485.
Data
Data
Data