Description
S7-400 relay output module. 16 relay contacts 2A/230VAC. For AC load switching in legacy process plant.
SM 422-1 16x DO Relay
16-channel relay DO 230VAC/2A for S7-400
Additional information
| Brand | Siemens |
|---|---|
| Automation Category | Advanced PLCs |
| Series | S7-400 (Legacy) |
| Product Type | Signal Module – DO |
| Part Number | 6ES7422-1HH00-0AA0 |
