Technical Summary
| Product designation | SIMATIC S7-200, digital input EM 221 |
|---|---|
| Number of digital inputs | 8 |
| Type of input voltage | AC |
| Rated value (AC) | 230 V; 220/230 V AC (47 Hz to 63 Hz) |
| Backplane bus input current, max. | 30 mA |
| Power loss, typ. | 3 W |
| Potential separation digital inputs | Yes; Optocoupler |
| Connection method | Plug-in I/O terminals |
Applications
Digital input module for collecting AC input signals.
Supports 2-wire sensor connection.
Key Features
SIMATIC S7-200 EM 221 with 8 DI.
Type of input voltage: AC.
Rated value (AC): 230 V; 220/230 V AC (47 Hz to 63 Hz).
Potential separation digital inputs: Yes; Optocoupler.
Connection method: Plug-in I/O terminals.
Product lifecycle: Start of final year of support.
Frequently Asked Questions
What is Siemens 6ES7221-1EF22-0XA0?
It is a SIMATIC S7-200 digital input EM 221 spare part.
How many digital inputs does 6ES7221-1EF22-0XA0 have?
It has 8 digital inputs.
What input voltage does the EM 221 support?
Type of input voltage: AC. Rated value (AC): 230 V; 220/230 V AC (47 Hz to 63 Hz).
What connection method does 6ES7221-1EF22-0XA0 use?
Connection method: Plug-in I/O terminals.
What is the product lifecycle of 6ES7221-1EF22-0XA0?
Product lifecycle: Start of final year of support.
