Product Description
Key Features
- Exact product identity: Product type designation: SM 1222, DQ 16x relay/2 A.
- 16 relay outputs: The module has 16 digital relay outputs, arranged in groups of 8.
- Supply voltage: Rated supply voltage is 24 V DC; the permissible range is 20.4 V to 28.8 V DC.
- Output capacity: Maximum switching capacity with resistive load is 2 A; lamp load is 30 W with DC and 200 W with AC.
- Diagnostics and protection: Diagnostics function, diagnostic alarm, supply-voltage monitoring and DIAG LED indication are available. Short-circuit protection is not included and must be provided externally.
Technical Summary
| Product type | SM 1222, DQ 16x relay/2 A |
|---|---|
| Digital outputs | 16 |
| Output arrangement | In groups of 8 |
| Rated supply voltage | 24 V DC |
| Permissible supply range | 20.4 V to 28.8 V DC |
| Output voltage | 5 V DC to 30 V DC; 5 V AC to 250 V AC |
| Maximum resistive-load current | 2 A |
| Output delay | 10 ms from "0" to "1"; 10 ms from "1" to "0" |
| Diagnostics | Diagnostic function, diagnostic alarm, supply-voltage monitoring and DIAG LED |
| Protection | IP20; short-circuit protection must be provided externally |
Frequently Asked Questions
Which order number should be confirmed for this SM 1222 module?
Confirm order number 6ES7222-5HH50-0XB0 and product type SM 1222, DQ 16x relay/2 A.
How many relay outputs does the module have?
It has 16 digital relay outputs, arranged in groups of 8.
What supply voltage does the module require?
The rated supply voltage is 24 V DC, with a permissible range of 20.4 V to 28.8 V DC.
Does the module include short-circuit protection?
No. Short-circuit protection must be provided externally.
