
Digital modules
4.17 Digital output module SM 422; DO 32 x DC 24 V/0.5 A (6ES7422-7BL00-0AB0)
S7-400 Automation System Module Data
Reference Manual, Edition 09/2009, A5E00850736-06
155
4.17 Digital output module SM 422; DO 32 x DC 24 V/0.5 A (6ES7422-
7BL00-0AB0)
4.17.1 Features
Overview
The digital output module SM 422; DO 32 x DC 24 V/0.5 A has the following features:
● 32 outputs, fused and isolated in groups of 8
● Output current 0.5 A
● Nominal load voltage 24 VDC
● Group error display for internal faults (INTF) and external faults (EXTF)
● Programmable diagnostics
● Programmable diagnostic interrupt
● Programmable substitution value output
The status LEDs also indicate the system status even when the front connector is not
inserted.
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