Product Overview
Technical Summary
| Product designation | SM 1222, DQ 16x relay/2 A |
|---|---|
| Digital outputs | 16 |
| Relay outputs | 16 |
| Supply voltage, rated | 24 V DC |
| Supply voltage, permissible range | 20.4 V to 28.8 V DC |
| Output voltage, rated | 5 V DC to 30 V DC; 5 V AC to 250 V AC |
| Output current, rated | 2 A |
| Output delay with resistive load | 10 ms maximum, "0" to "1" and "1" to "0" |
| Short-circuit protection | No; to be provided externally |
| Protection rating | IP20 |
Key Features
- Product designation: SM 1222, DQ 16x relay/2 A digital output module.
- Digital outputs: 16 relay outputs, arranged in groups of 8.
- Supply voltage: Rated supply voltage: 24 V DC; permissible range: 20.4 V to 28.8 V DC.
- Output ratings: Rated output current: 2 A; output voltage: 5 V DC to 30 V DC or 5 V AC to 250 V AC.
- Diagnostics and protection: Diagnostics function, diagnostic alarm, supply-voltage monitoring, DIAG LED, and IP20 protection are supplied. Short-circuit protection is not included and must be provided externally.
- Isolation and cable length: Digital outputs have relay potential separation between channels in groups of 8 and 1500 V AC type-test separation from the backplane bus. Maximum cable length is 500 m shielded or 150 m unshielded.
Frequently Asked Questions
What product does Siemens 6ES7222-5HH50-0XB0 identify?
It identifies a SIMATIC S7-1200 G2 SM 1222 digital output module with 16 relay outputs, designated DQ 16x relay/2 A.
Which specifications distinguish this exact digital output variant?
Key specifications are 16 relay outputs, 24 V DC rated supply voltage, 5 V DC to 30 V DC or 5 V AC to 250 V AC output voltage, and 2 A rated output current.
What should be checked when verifying the code and nameplate?
Check the complete order number 6ES7222-5HH50-0XB0, the SM 1222 designation, the DQ 16x relay/2 A designation, and the 16 relay outputs.
Is short-circuit protection included?
No. Short-circuit protection must be provided externally.
What quantity and destination are needed for a quotation?
Provide the required quantity and destination together with the complete order number 6ES7222-5HH50-0XB0.
