Siemens Simatic S7-400 - Manual (Page 205)

Digital Modules
4-83
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
4.22 Digital Output Module SM 422; DO 16 120/230 VAC/2 A;
(6ES7422-1FH00-0AA0)
Characteristics
The SM 422; DO 16 120/230 VAC/2 A has the following features:
• 16 outputs, isolated in groups of 4
• 2 A output current
• 120/230 VAC rated load voltage
The status LEDs also indicate the system status even when the front connector is
not inserted.