Siemens S7-400PLC Specifications Page 169

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Digital modules
4.20 Digital output module SM 422; DO 16 x AC 20-120 V/2 A (6ES7422-5EH00-0AB0)
S7-400 Automation System Module Data
Reference Manual, Edition 09/2009, A5E00850736-06
169
4.20 Digital output module SM 422; DO 16 x AC 20-120 V/2 A (6ES7422-
5EH00-0AB0)
4.20.1 Features
Overview
The SM 422; DO 16 x AC 20-120 V/2 A has the following features:
16 outputs, isolated in groups of 1
Output current 2 A
Nominal load voltage 20 VAC to 120 VAC
Group error display for internal faults (INTF) and external faults (EXTF)
Programmable diagnostics
Programmable diagnostic interrupt
Programmable substitution value output
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