Siemens SIMATIC Manual page 461

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Wiring: 2 and 4-wire connection for voltage output

The following Fig. represents the 2-wire connection with no compensation for line resistors

and the 4-wire connection with compensation for line resistors.

S7-300 Module data

Manual, 06/2017, A5E00105505-AJ

6.14 Analog output module SM 332; AO 4 x 12 Bit; (6ES7332-5HD01-0AB0)

2-wire connection, no compensation for line resistors

4-wire connection, with compensation for line resistors

Equipotential bonding

Functional earthing

Internal supply

Electrical isolation

Backplane bus interface

Analog-to-Digital Converter (ADC)

Wiring and block diagram

Analog modules

S7-300S7-300 module data