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Appendix EE5ZE Temperature Controller Read Protocol
188
Connections
This section shows connections for using the E5ZE Temperature Controller Read Protocol.
RS-232C Connections
Serial Commu-
nications Board
RS-232C port
E5ZE
→
RS-232C
CQM1H
Signal name Ab-
brevi-
ation
Signal direction Pin No.
Signal ground or common
return line
SG – 7
Send data SD Output 2
Receive data RD Input 3
Request to send RS Output 4
Clear to send CS Input 5
Data set ready DR Input 6
Data terminal ready ER Output 20
Disabled (Do not connect.) NC – 1, 8 to 19, 21 to 25
Serial Communications
Board
Signal
name
Shielded cable
E5ZE
LT1181CS or
equivalent
Pin
No.
Signal
name
Pin
No.
RS-232C: D-sub
9-pin female
RS-232C: D-sub
9-pin female
Note 1. The maximum communications cable length is 15 m. Use a shielded twisted-pair cable (AWG28 or
greater) for the cable.
2. Use a 25-pin D-sub Plug (OMRON XM2A-2501).
3. Use XM2S-2511 Hood (OMRON) or an equivalent.
Pin
No.
Signal
abbrevi-
ation