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13 connecting transducers, Analog input/output modules – Siemens S5-135U/155U User Manual

Page 405

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9-23

System Manual
C79000-G8576-C199-06

9.3.13

Connecting Transducers

Two-wire transducer (short-circuit protected supply voltage via the range
card of the analog input module)

A

D

Analog Input Module

MUX

M–

0 V Bus

M+

+

4...20 mA

L+

L–

#

Range

Card for
4 Inputs

6ES5-498-

-1AA51

Four-wire transducer (with separate supply voltage)

A

D

Analog Input Module

MUX

M–

0 V Bus

M+

+

+4...20 mA

230 V AC

Do not exceed max. permissible potential difference!

#

6ES5-498-

-1AA71

Range

Card for
4 Inputs

Four-wire transducer with a two-wire transducer card

A

D

Analog Input Module

MUX

M–

0 V Bus

M+

+

0...20 mA

230 V AC

L+ L–

L– (0 V

ext

)

#

6ES5-498-

-1AA71

Range

Card for
4 Inputs

Analog Input/Output Modules