Gt21 - Panasonic GT01 User Manual

2.2.5 GT21

24 V/RS232C type
24 V/RS422(RS485) type
Note: There is no RS and CS (control lines).
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Pin name Name
+ +24 V
− 0 V
FG Functional ground
SD Send data
RD Receive data
RS Request to send
CS Clear to send
SG Signal ground
Pin name Name
+ +24 V
− 0 V
FG Functional ground
+SD Send data
−SD Send data
+RD Receive data
Receive data
−RD
E Terminal resistance
Signal direction
-
-
-
GT→External device
GT←External device
GT→External device
GT←External device
-
Signal direction
-
-
-
GT→External device(+)
GT→External device(−)
GT←External device(+)
GT←External device(−)
-
Product No.
AIGT2230B
AIGT2230H
Product No.
AIGT2232B
AIGT2232H