Key Features
- Digital output module: SIMATIC S7-1200 SM 1222 digital output module with 16 DO.
- Relay outputs: 16 relay outputs with 2 A switching capacity.
- Diagnostics: Diagnostic alarm and diagnostics indication LED for output status.
- Protection: IP20 degree of protection.
Technical Summary
| Product type designation | SM 1222, DQ 16x relay/2 A |
|---|---|
| Number of digital outputs | 16 |
| Number of relay outputs | 16 |
| Output current for signal "1" rated value | 2 A |
| Switching capacity of the outputs with resistive load, max. | 2 A |
| Switching capacity of contacts – with inductive load, max. | 2 A |
| Switching capacity of the outputs on lamp load, max. | 30 W with DC, 200 W with AC |
| Output voltage Rated value (DC) | 5 V DC to 30 V DC |
| Output voltage Rated value (AC) | 5 V AC to 250 V AC |
| Supply voltage permissible range, lower limit (DC) | 20.4 V |
| Supply voltage permissible range, upper limit (DC) | 28.8 V |
| IP degree of protection | IP20 |
Applications
- Digital output control: Control of 16 digital output channels.
- Relay-based load switching: Switching resistive, inductive, or lamp loads through relay outputs.
Frequently Asked Questions
What is the exact Siemens order number and module type?
6ES7222-1HH32-0XB0 is a SIMATIC S7-1200 SM 1222 digital output module, product type designation SM 1222, DQ 16x relay/2 A.
How many outputs does this SM 1222 module have?
It has 16 digital outputs and 16 relay outputs.
What is the switching capacity of the relay outputs?
The relay outputs are rated at 2 A for resistive load and 2 A for inductive load, with lamp load ratings of 30 W with DC and 200 W with AC.
What supply voltage range is specified for this module?
The permissible DC supply voltage range is 20.4 V to 28.8 V.
What diagnostics and protection details are available?
The module includes a diagnostic alarm, a diagnostics indication LED for output status, and IP20 degree of protection.
