Omron CQM1H-SCB41 Operation Manual page 172

E5@K Digital Controller Read Protocol
any terminator to units No.0 to No.29. Use a resistance of 120 (1/2W) for the terminators (the total
resistance of both ends must be 54 or more).
Serial Communications Board
RS-485: D-sub
9 pin female
Pin No.
A<B: [1]
A>B: [0]
Read Process Value (Sequence No. 000)
Reads the process value and stores the results in the specified words.
Send Data Word Allocation (2nd Operand of PMCR)
First word of
send data
Receive Data Word Allocation (3rd Operand of PMCR)
Receive data
storage words
Read Set Point during SP Ramp (Sequence No. 001)
Reads the set point during the SP ramp and stores the results in the specified words.
Send Data Word Allocation (2nd Operand of PMCR)
First word of send
data
Receive Data Word Allocation (3rd Operand of PMCR)
Receive data
storage words
Shielded cable
E5CK (No. 0)
RS-485: Terminal block
Terminal No.
Mark
Space
+0
Number of send data words
+1 (Undefined)
Offset Contents (data format)
+0 Number of send data words
(4 digits BCD)
+1 Unit No. (2 digits BCD)
+0 Number of receive data words
Process value
+1
Offset Contents (data format)
+0 Number of receive data words
(4 digits BCD)
+1 Process value (4 digits BCD)
Number of send data words
+0
+1 (Undefined)
Offset Contents (data format)
+0 Number of send data words
(4 digits BCD)
+1 Unit No. (2 digits BCD)
Number of receive data words
+0
Set point during SP ramp
+1
Terminator (120
Unit No.
0002 (fixed)
00 to 31
0002
Scaling lower limit to upper limit
Unit No.
0002 (fixed)
00 to 31
Appendix C
E5CK (No. 30)
RS-485: Terminal block
Terminal No.
, 1/2 W)
Data
Data
Data
157