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Siemens S5-135U/155U User Manual

Page 352

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8-40

System Manual

C79000-G8576-C199-06

Connection for supply voltage,
jumpers and sensor supply in groups of 2 bytes
(16 inputs each)

Byte 0 + 1
Byte 2 + 3

1L+ Terminal 3
2L+ Terminal 24

1LH+ Terminal 12
2LH+ Terminal 33

1LH– Terminal 22
2LH– Terminal 23

y

Type of
Sensor

NAMUR

Connect to L+
(24 V supply)

Output for sensor
supply

Jumper to L–
Terminal 21

CMOS

open

Connect to 5 to 15 V
supply

open

TTL

open

Connect to 5 V supply

open

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).

Digital Input/Output Modules