Siemens SIMATIC Box PC 820 Manual page 131

4.6 Description of Ports
4.6.1 Ports
I/O Port
40-pin pole plug connector for 16 digital inputs (DI) with a 24V level, 16 digital out-
puts (DO) with a driver performance of 24V/100mA and an external 24V power
feed-in. The outputs are protected against short-circuit.
Pinout
Pin no. Signal
Pin 1 DI 2.0 Input byte 2, bit 0
Pin 3 DI 2.2 Input byte 2, bit 2
Pin 5 DI 2.4 Input byte 2, bit 4
Pin 7 DI 2.6 Input byte 2, bit 6
Pin 9 DI 3.0 Input byte 3, bit 0
Pin 11 DI 3.2 Input byte 3, bit 2
Pin 13 DI 3.4 Input byte 3, bit 4
Pin 15 DI 3.6 Input byte 3, bit 6
Pin 17 Ground Ground
Pin 19 +24V External 24V power feed-in
Pin 21 DO 0.0 Output byte 0, bit 0
Pin 23 DO 0.2 Output byte 0, bit 2
Pin 25 DO 0.4 Output byte 0, bit 4
Pin 27 DO 0.6 Output byte 0, bit 6
Pin 29 Ground Ground
Pin 31 +24V External 24V power feed-in
Pin 33 DO 1.0 Output byte 1, bit 0
Pin 35 DO 1.2 Output byte 1, bit 2
Pin 37 DO 1.4 Output byte 1, bit 4
Pin 39 DO 1.6 Output byte 1, bit 6
Siemens Distributor
Box PC 820 / PC FI45 V2, Manual
A5E00051531-03
Description Pin no.
Pin 2
Pin 4
Pin 6
Pin 8
Pin 10
Pin 12
Pin 14
Pin 16
Pin 18
Pin 20
Pin 22
Pin 24
Pin 26
Pin 28
Pin 30
Pin 32
Pin 34
Pin 36
Pin 38
Pin 40
Direct Key Module (Optional with FI45)
Signal Description
DI 2.1 Input byte 2, bit 1
DI 2.3 Input byte 2, bit 3
DI 2.5 Input byte 2, bit 5
DI 2.7 Input byte 2, bit 7
DI 3.1 Input byte 3, bit 1
DI 3.3 Input byte 3, bit 3
DI 3.5 Input byte 3, bit 5
DI 3.7 Input byte 3, bit 7
Ground Ground
+24V External 24V power feed-in
DO 0.1 Output byte 0, bit 1
DO 0.3 Output byte 0, bit 3
DO 0.5 Output byte 0, bit 5
DO 0.7 Output byte 0, bit 7
Ground Ground
+24V External 24V power feed-in
DO 1.1 Output byte 1, bit 1
DO 1.3 Output byte 1, bit 3
DO 1.5 Output byte 1, bit 5
DO 1.7 Output byte 1, bit 7
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