2.2.2 GT02
5 V/RS232C type
Pin name
Name
Signal direction
Product No.
+
+5 V
-
AIG02MQ02D
AIG02MQ03D
AIG02GQ02D
AIG02GQ03D
−
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
-
5 V/RS422(RS485) type
Pin name
Name
Signal direction
Product No.
+
+5 V
-
AIG02MQ04D
AIG02MQ05D
AIG02GQ04D
AIG02GQ05D
−
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
-
Note: There is no RS and CS (control lines).
24 V/RS232C type
Pin name
Name
Signal direction
Product No.
+
+24 V
-
AIG02MQ12D
AIG02MQ13D
AIG02MQ22D
AIG02MQ23D
AIG02GQ12D
AIG02GQ13D
AIG02GQ22D
AIG02GQ23D
−
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
-
AIG02MQ14D
AIG02MQ15D
AIG02MQ24D
AIG02MQ25D
AIG02GQ14D
AIG02GQ15D
AIG02GQ24D
AIG02GQ25D
−
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
-
Note: There is no RS and CS (control lines).
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