Omron CQM1H-SCB41 Operation Manual page 302

K3T@ Intelligent Signal Processor Protocol
Connections
The connections used for the K3T@ Intelligent Signal Processor Protocol are shown below.
RS-232C Connections
CQM1H
Serial Commu-
nications Board
RS-232C port
Note 1. The connection configuration is a one-to-one configuration and the maximum cable length is 15 m.
2. Use shielded twisted-pair cable (AWG28i or greater).
Signal name
Protective ground or earth
Signal ground or common return line
Send data
Receive data
Request to send
Clear to send
Data set ready
Data terminal ready
Serial Communications
Board
RS-232C: D-sub
9-pin female
Pin
Signal
No.
Name
Shielded cable
Abbreviation
FG
SG
SD
RD
RS
CS
DR
ER
Intelligent Signal
Processor
RS-232C:
Terminal block
MAX232C or
equivalent
Signal
Termi-
nal. Name
Appendix I
K3T@
Signal Pin No.
direction
– 1
– 7
Output 2
Input 3
Output 4
Input 5
Input 6
Output 20
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