User manual

2.2.5 55BGT03-E / GT21
24 V/RS232C type
Pin name
Name
Signal direction
Product No.
+
+24 V
-
AIGT2230B
AIGT2230H
AIG03MQ03DE
AIG03TQ13DE
−
0 V
-
FG
Functional ground
-
SD
Send data
GT
→
External device
RD
Receive data
GT
←
External device
RS
Request to send
GT
→
External device
CS
Clear to send
GT
←
External device
SG
Signal ground
-
24 V/RS422(RS485) type
Pin name
Name
Signal direction
Product No.
+
+24 V
-
AIGT2232B
AIGT2232H
AIG03MQ05DE
AIG03TQ15DE
−
0 V
-
FG
Functional
ground
-
+SD
Send data
GT
→
External device(+)
−SD
Send data
GT
→
External device(−)
+RD
Receive data
GT
←
External device(+)
−RD
Receive data
GT
←
External device(−)
E
Terminal
resistance
-
2-15