Siemens Simatic S7-400 - Manual (Page 213)

Digital Modules
4-91
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
4.24 Relay Output Module SM 422;
DO 16 30/230 VUC/Rel. 5 A; (6ES7422-1HH00-0AA0)
Characteristics
The SM 422; DO 16 30/230 VUC/Rel. 5 A has the following features:
• 16 outputs, isolated in 8 groups of 2
• Output current 5 A
• Rated load voltage 230 VAC/ 125 VDC
The status LEDs also indicate the system status even when the front connector is
not inserted.