Siemens SIMATIC Box PC 820 Manual page 136

Direct Key Module (Optional with FI45)
4.9 Assignment of Termination Module Terminals
The termination module bears the labels B0(0..7), + , –, B1 (0..7), + , – , B2 (0..7),
+, –, B3 (0..7), +, –. The 24V digital inputs/outputs of the direct key module are
assigned to the termination module as follows:
Direct key module40-pin
connectors
Digital inputs
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Pin 10
Pin 11
Pin 12
Pin 13
Pin 14
Pin 15
Pin 16
Digital outputs
Pin 21
Pin 22
Pin 23
Pin 24
Pin 25
Pin 26
Pin 27
Pin 28
Pin 33
Pin 34
Pin 35
Pin 36
Pin 37
Pin 38
Pin 39
Pin 40
40-pin plug connector
Pin 17,18,29,30
Pin 19,20,31,32
4-12
Designation
inputs/outputs
DI 2.0
DI 2.1
DI 2.2
DI 2.3
DI 2.4
DI 2.5
DI 2.6
DI 2.7
DI 3.0
DI 3.1
DI 3.2
DI 3.3
DI 3.4
DI 3.5
DI 3.6
DI 3.7
DO 0.0
DO 0.1
DO 0.2
DO 0.3
DO 0.4
DO 0.5
DO 0.6
DO 0.7
DO 1.0
DO 1.1
DO 1.2
DO 1.3
DO 1.4
DO 1.5
DO 1.6
DO 1.7
24V power supply
GND
+24V
Termination modules 32
bit terminal
B0 (0)
B0 (1)
B0 (2)
B0 (3)
B0 (4)
B0 (5)
B0 (6)
B0 (7)
B1 (0)
B1 (1)
B1 (2)
B1 (3)
B1 (4)
B1 (5)
B1 (6)
B1 (7)
B2 (0)
B2 (1)
B2 (2)
B2 (3)
B2 (4)
B2 (5)
B2 (6)
B2 (7)
B3 (0)
B3 (1)
B3 (2)
B3 (3)
B3 (4)
B3 (5)
B3 (6)
B3 (7)
Terminal
- at terminal module
+ at terminal module
Box PC 820 / PC FI45 V2, Manual
A5E00051531-03