Analog modules
6.13 Analog output module SM 332; AO 4 x 12 Bit; (6ES7332-5HD01-0AB0)
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
6-117
Wiring: 2 and 4-wire measuring transducer for current measurement
The following Fig. represents the 2-wire connection with no compensation for line resistors
and the 4-wire connection with compensation for line resistors.
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Figure 6-37 Wiring and block diagrams
① 2-wire connection, no compensation for line resistors
② 4-wire connection, with compensation for line resistors
③ Potential compensation
④ Function ground/earth
⑤ Internal supply
⑥ Electrical isolation
⑦ Backplane bus interface
⑧ Analog-to-Digital Converter (ADC)
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