Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Module type | SM 1221, DI 8×24 V DC |
| Digital inputs | 8, in groups of 2 |
| Input signal 0 | 5 V DC at 1 mA |
| Input signal 1 | 15 V DC at 2.5 mA |
| Supply voltage | 24 V DC; 20.4 V to 28.8 V |
| Diagnostics | Diagnostics function, diagnostic alarm and input-status LED |
| Input delay options | 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms and 12.8 ms |
| Connection | Required front connector |
Key Features
- Digital inputs: 8 digital inputs, arranged in groups of 2, with IEC 61131 type 1 input characteristic.
- 24 V DC signals: Input voltage is 5 V DC at 1 mA for signal "0" and 15 V DC at 2.5 mA for signal "1".
- Supply voltage: Rated supply voltage is 24 V DC, with a permissible range of 20.4 V to 28.8 V.
- Diagnostics and isolation: The module has diagnostics, diagnostic alarms, input-status LEDs, and potential separation between channels in groups of 2.
- Parameterizable inputs: Standard inputs support selectable parameterization of 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms and 12.8 ms.
- Installation and protection: A front connector is required; dimensions are 45 mm × 100 mm × 75 mm, and the degree of protection is IP20.
Frequently Asked Questions
1. How many digital inputs does 6AG2221-1BF32-1XB0 have?
It has 8 digital inputs, arranged in groups of 2.
2. What input signals does this module support?
For signal "0", the input voltage is 5 V DC at 1 mA. For signal "1", it is 15 V DC at 2.5 mA.
3. What must be verified for the connection?
Verify that the configuration uses the required front connector and the 24 V DC supply range of 20.4 V to 28.8 V.
