Description
16 DI source-type inputs for PNP sensor connections. Alternative to standard sink-type DI modules.
SM 521-1 16x DI 24VDC SRC
16-channel DI 24VDC source-type (PNP)
Additional information
| Brand | Siemens |
|---|---|
| Automation Category | Advanced PLCs |
| Series | S7-1500 |
| Product Type | Signal Module – DI |
| Part Number | 6ES7521-1FH00-0AB0 |
