502
E5ZE Temperature Controller Read Protocol Appendix H
NO: Send word allocation: Set the constant 0000 for the 3rd operand (S).
Receive word allocation: Set the constant 0000 for the 4th operand (D).
Connections
This section shows connections for using the E5ZE Temperature Controller Read Protocol.
RS-232C Connections
Note 1. The maximum communications cable length is 15 m. Use a shielded twisted-pair cable for the cable.
2. Use a 25-pin D-sub Plug (OMRON XM2A-2501).
3. Use XM2S-2511 Hood (OMRON) or an equivalent.
Signal name Abbre-
viation
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 RTS Output 4
Clear to send CTS Input 5
Data set ready DSR Input 6
Data terminal ready DTR Output 20
Disabled (Do not connect.) NC --- 1, 8 to 19, 21 to 25
RS-232C port
E5ZE
→
RS-232C
RS-232C
Serial Communications Board
(CS Series only)
Serial Communications Unit
(CS/CJ Series)
PLC
PS
Pin
No.
Signal
abbrevi-
ation
NC
SD
RD
RTS
CTS
DSR
SG
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
DTR
NC
NC
NC
NC
NC
Serial Communications
Unit/Board/Unit
Signal
name
Shield
E5ZE
LT1181CS or
equivalent
Pin
No.
Signal
name
Pin
No.
RS-232C: D-sub
9-pin female
RS-232C: D-sub
9-pin female
FG
SG
SD
RD
RTS
CTS
DSR
DTR
SG
SD
RD
RTS
CTS
DSR
DTR
7
2
3
4
5
6
20
1
9
2
3
4
5
7
8
V
TX
RX
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