GT-530 user manual v1.0
2.2
Appearance and pin assignments
Pin assignments
:
A.
DI0 ~ DI5 support counter function which can not be powered by the
external power input
B.
DI6 ~ DI9 can be powered by Li-battery in the absence of the external
power input
DI/DO
Terminal No.
Pin
Assignment
01 DI0
02 DI1
03 DI2
04 DI3
05 DI4
06 DI5
07 DI6
08 DI7
09 DI8
DI
10 DI9
11 DO0
12 DO1
DO
13 DO.PWR
DI/DO 14 Ext.GND
COM Port & Power Input
Terminal
No.
Pin
Assignment
01 GND
02 RxD3
COM3
RS-232
03 TxD3
04 GND
05 RxD2
COM2
RS-232
06 TxD2
N/A
07 N/A
08 DC.+VS
Power Input:
+10 ~ 30V
DC
09 DC.GND
Frame
Ground
10 F.G
GT-530 User Manual, Version 1.0, August 2009
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