User manual

Publication CIG-WD001B-EN-P - May 2005
13-8 1790 CompactBlock LDX I/O Modules
20
18
16
14
12
10
8
6
4
2
19
17
15
13
11
9
7
5
3
1
NC
NC
NC
NC
COM0
NC
NC
NC
COM1
GND
NC
NC
NC
CH1
+24V
NC
NC
NC
NC
CH0
Wire pin 1 to Field Power (+) 24V dc
Wire pin 2 to Field Power (-) GND
1790P-TN0C21790P-T8BV8V
20
18
16
14
12
10
8
6
4
2
19
17
15
13
11
9
7
5
3
1
OUT7
OUT3
GND
IN7
IN3
OUT5
OUT1
COM
IN5
IN1
OUT4
OUT0
COM
IN4
IN0
OUT6
OUT2
VDC
IN6
IN2
Sinking inputs - Wire COM (pin 9) to Field Power (-) GND
Sourcing inputs - Wire COM (pin 9) to Field Power (+) 24V dc
Note: Both COM (pins 9 and 10) are internally connected.
Sourcing outputs - Wire VDC (pin 11) to Field Power (+) 24V dc, and
wire GND (pin 12) to Field Power (-) GND
20
18
16
14
12
10
8
6
4
2
19
17
15
13
11
9
7
5
3
1
NC
NC
NC
COM2
COM0
NC
NC
COM3
COM1
GND
NC
NC
CH3
CH1
+24V
NC
NC
NC
CH2
CH0
Wire pin 1 to Field Power (+) 24V dc
Wire pin 2 to Field Power (-) GND
1790P-TN4C0