Product Overview
Technical Summary
| Product | SIMATIC S7-200 EM 221 digital input spare part |
|---|---|
| Digital inputs | 8 |
| Input voltage | 220/230 V AC (47 Hz to 63 Hz) |
| Signal 0 | up to 20 V AC |
| Signal 1 | 79V AC or more |
| Potential separation | Optocoupler; 1; 8 groups |
| Connection method | Plug-in I/O terminals |
| Product lifecycle | Start of final year of support |
Key Features
- Product designation: SIMATIC S7-200 EM 221 digital input spare part.
- Digital inputs: 8 digital inputs with an input characteristic curve in accordance with IEC 61131, type 1.
- Input voltage: AC input voltage; rated value 230 V, with 220/230 V AC at 47 Hz to 63 Hz.
- Potential separation: Digital inputs have potential separation by optocoupler, between the channels in groups of 1; 8 groups.
- Connection method: Plug-in I/O terminals.
- Dimensions and weight: 71.2 mm width, 80 mm height, 62 mm depth, and approximately 160 g.
Frequently Asked Questions
What does Siemens order number 6ES7221-1EF22-0XA0 identify?
It identifies a SIMATIC S7-200 EM 221 digital input spare part with 8 isolated AC digital inputs.
Which specifications should be checked for the 6ES7221-1EF22-0XA0 variant?
Check the 8 digital inputs, 220/230 V AC input at 47 Hz to 63 Hz, optocoupler potential separation, and plug-in I/O terminals.
What code and nameplate details should be verified before inquiry?
Verify the complete order number 6ES7221-1EF22-0XA0 and the product designation SIMATIC S7-200 EM 221.
What information is needed for a quotation?
Provide the required quantity and destination together with the complete order number 6ES7221-1EF22-0XA0.
