Omron CQM1H-SCB41 Computer Hardware User Manual


 
Appendix G
E5jJ Temperature Controller Protocol
230
Connections
The connections for using the E5jJ Temperature Controller Protocol are shown below.
RS-232C Connections
Serial Communica-
tions Board
RS-232C port
E5jJ
RS-232C
CQM1H
Signal name Abbreviation Signal direction Pin No.
Signal ground or common
return line
SG 25, 27
Send data SD Output 26
Receive data RD Input 28
Serial Communications
Board
Signal
name
Shielded
cable
E5AJ
MAX232C or
equivalent
Pin
No.
Signal
name
Termi-
nal
RS-232C: D-sub
9-pin female
RS-232C:
Terminal Block
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).
RS422A/485 Connections
Serial Commu-
nications Board
RS-422A/485 port
E5jJ
Up to 32 units can be
connected.
E5jJ
E5jJ
RS-422A/485
RS-422A/485
RS-422A/485
CQM1H