Siemens Simatic S7-400 - Manual (Page 201)

Digital Modules
4-79
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
4.21 Digital Output Module SM 422;
DO 8 120/230 VAC/5 A; (6ES7422-1FF00-0AA0)
Characteristics
The SM 422; DO 8 120/230 VAC/5 A has the following features:
• 8 outputs, isolated in groups of 1
• Output current 5 A
• 120/230 VAC rated load voltage
The status LEDs also indicate the system status even when the front connector is
not inserted.