A&D AD-4971 - Layout of General-Purpose I;O Terminals; Circuits of General-Purpose I;O Terminals; Contact Input Terminals

9 General-Purpose I/O Terminals - 9.1 Layout of General-Purpose I/O Terminals
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9.1.
Layout of General-Purpose I/O Terminals
EMG
TM5
EMG
OUT
EMG
OUT
EMG
COM
EMG
IN2
EMG
IN1
INPUT
TM4
IN
COM
DI4 DI3 DI2 DI1
TM3
GND 24V GND 24V GND
OUTPUT
TM2
OUT2
COM
DO8 DO7 DO6 DO5
OUTPUT
TM1
OUT1
COM
DO4 DO3 DO2 DO1
Fig. 881 LLayout of General-PPurpose Input // OOutput Terminals
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External power supply: 24 V, 250 mA @ Maximum
9.2.
Circuits of General-Purpose I/O Terminals
9.2.1.
Contact Input Terminals
4
3
1
2
2K:
1/2W
4
3
1
2
4
3
1
2
4
3
1
2
2K:
1/2W
2K:
1/2W
2K:
1/2W
DI1
DI2
DI3
DI4
IN
COM
Fig. 882 CCircuit of Contact Input Terminals (12 V to 24 V)