Key Features
- Digital input module: SIMATIC S7-200 digital input EM 221 with isolated 8 DI.
- AC input rating: Type of input voltage: AC, with rated value (AC) 230 V; 220/230 V AC (47 Hz to 63 Hz).
- Isolation and grouping: Potential separation digital inputs: Yes; Optocoupler, between the channels, in groups of 1; 8 groups.
- Connection method: Plug-in I/O terminals: Yes.
- Lifecycle status: Product lifecycle: Start of final year of support.
Applications
- S7-200 digital input acquisition: Digital input acquisition for a SIMATIC S7-200 control system using 8 isolated AC inputs.
Technical Summary
| Digital inputs | 8 |
|---|---|
| Input voltage type | AC |
| Rated input voltage | 230 V; 220/230 V AC (47 Hz to 63 Hz) |
| Input characteristic curve in accordance with IEC 61131, type 1 | Yes |
| Potential separation digital inputs | Yes; Optocoupler |
| Connection method | Plug-in I/O terminals |
| Power loss, typ. | 3 W |
Frequently Asked Questions
What is the Siemens 6ES7221-1EF22-0XA0?
It is a SIMATIC S7-200 digital input EM 221 spare part with isolated 8 DI.
How many digital inputs does 6ES7221-1EF22-0XA0 provide?
It provides 8 digital inputs.
What input voltage does the EM 221 support?
The input voltage type is AC, with rated value (AC) 230 V; 220/230 V AC (47 Hz to 63 Hz).
What connection method is used on this module?
It uses plug-in I/O terminals.
