Interface Pin Assignments COM1, COM2 and PS2 with Options
Digital PCB CAIS3 (IP69K)
COM1, COM2 and PS2 terminal assignments (applies to all PCBs)
PS2
1 LOAD_PRINTER 11 Clear to Send (CTS) 21 5 V switched
2 RESET_OUT 12 Data Terminal Ready (DTR) 22 PS2_Daten
3 GND 13 Data Input (RXD) 23 PS2_Timer
4 GND 14 Data Output (TXD) 24 GND
5 5V_OUT 15 GND COM2
6 5V switched 16 Universal In 31 CTS_COM2
7 GND 17 Control Output: “lighter" 32 DTR_COM2
8 GND 18 Control Output: “equal" 33 RXD_COM2
9 Schirm 19 Control Output: “heavier" 34 TXD_COM2
10 LINE_OUT 20 Control Output: “set" 35 GND
36 GND
A8 terminal assignments
1 EXC+ Bridge supply voltage (+)
2 SENSE+ Sense (+) for bridge supply voltage
3 OUT+ Measuring voltage positive
4 OUT- Measuring voltage negative
5 SENSE- Sense (-) for bridge supply voltage
6 EXC- Bridge supply voltage (–)
Keypad
LED + Display
Interface PCB for RS-232/RS-485 for IS platforms (option A6/A7)
A6/A7 terminal assignments
1 CTS 11 TxD/RxD+
2 DTR 12 TxD/RxD-
3 RxD 13 LINE_OUT
4 TxD 14 LINE_OUT
5 GND 15 GND
6 Calibration Lock 16 GND
Keypad
LED + Display
Interface PCB for ADC 10.000e (option A20)
A20 terminal assignments
1 EXC+
2 SENSE+
3 OUT+
4 OUT-
5 SENSE-
6 EXC-
Keypad
LED + Display
10
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