December 2001 Switching Inputs 24 Vdc (PLC) 3 – 73
3.14 Switching Inputs 24 Vdc (PLC)
3.14.1 Input Signals and Addresses
Input signals of the switching inputs on the LE and the PL 4xxB:
Addresses of the switching inputs at:
X42: PLC input on
the logic unit
Pin layout on the LE:
Voltage range Logic unit PL 4xxB
“1” signal: U
i
13 V to 30.2 V
“0” signal: U
i
-20 V to 3.2 V
Current ranges Logic unit PL 4xxB
“1” signal: I
i
3.8 mA to 8.9 mA 2.5 mA to 6 mA
“0” signal: I
i
when U
i
= 3.2 V 1.0 mA 0.65 mA
Address Number Device
I0 to I31 31 + Control-is-ready signal Logic unit X42 (PLC input)
I128 to I152 25 Logic unit X 46 (machine operating panel)
I64 to I127
I64 to I95
64
32
First PLC input/output board PL 410B
First PLC input/output board PL 405B
I192 to I255
I192 to I223
64
32
Second PLC I/O board PL 410B
Second PLC input/output board PL 405B
I256 to I319
I256 to I287
64
32
Third PLC input/output board PL 410B
Third PLC input/output board PL 405B
I320 to I383
I320 to I351
64
32
Fourth PLC input/output board PL 410B
Fourth PLC input/output board PL 405B
Logic unit Connecting cable Id. Nr. 244 005-xx,
Id. Nr. 263 954-xx
D-sub connection
(female) 37-pin
Assignment D-sub connection
(male) 37-pin
1 I0 1 Gray/Red
2 I1 2 Brown/Black
3 I2 3 White/Black
4 I3 Control-is-ready signal
acknowledgement
4 Green/Black
5 I4 5 Brown/Red
6 I5 6 White/Red
7 I6 7 White/Green
8 I7 8 Red/Blue
9 I8 9 Yellow/Red
10 I9 10 Gray/Pink
11 I10 11 Black
12 I11 12 Pink/Brown