Siemens S5-155U System Manual page 341

Byte 0 + 1 1L+ Terminal 3
Byte 2 + 3 2L+ Terminal 24
Type of
Sensor
NAMUR Connect to
L+(24 V supply)
CMOS open
TTL open
System Manual
C79000-B8576-C199-03
Connection for supply voltage,
jumpers and sensor supply in groups of 2 bytes
(16 inputs each)
1LH+ Terminal 12
2LH+ Terminal 33
Output for sensor supply Jumper to L-
Connect to
5 to 15 V supply
Connect to
5 V supply
The types of sensor can be arbitrarily mixed in groups of 16 inputs.
With CMOS TTL sensors, open inputs are at logic 1 (LED is lit).
Specification Sheets for the Modules
1LH- Terminal 22
2LH- Terminal 23
Terminal 21
open
open
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