
Digital modules
4.21 Relay output module SM 422; DO 16 x UC 30/230 V/Rel. 5 A (6ES7422-1HH00-0AA0)
S7-400 Automation System Module Data
174 Reference Manual, Edition 09/2009, A5E00850736-06
4.21 Relay output module SM 422; DO 16 x UC 30/230 V/Rel. 5 A
(6ES7422-1HH00-0AA0)
Features
The SM 422; DO 16 x UC 30/230 V/Rel. 5 A has the following features:
● 16 outputs, isolated in 8 groups of 2
● Output current 5 A
● Nominal load voltage 230 VAC / 125 VDC
The status LEDs also indicate the system status even when the front connector is not
inserted.
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