Key Features
- Digital output module: SIMATIC S7-1200 SM 1222 digital output module with relay changeover contact.
- 8 relay outputs: Provides 8 relay outputs, in groups of 1.
- Output ratings: Rated supply voltage of relay coil L+ (DC): 24 V.
- Switching capacity: Switching capacity of the outputs: 2 A with resistive load, 30 W with DC, 200 W with AC on lamp load.
- Diagnostics: Diagnostic alarm: Yes. Diagnostics indication LED for status of the outputs: Yes.
- Protection and separation: IP degree of protection: IP20. Potential separation between the channels and backplane bus: 1 500 V AC for 1 minute.
Technical Summary
| Product type designation | SM 1222, DQ 8x relay/2 A |
|---|---|
| Number of digital outputs | 8 |
| Number of relay outputs | 8 |
| Rated supply voltage of relay coil L+ (DC) | 24 V |
| Supply voltage range, lower limit (DC) | 20.4 V |
| Supply voltage range, upper limit (DC) | 28.8 V |
| Switching capacity of the outputs, resistive load | 2 A |
| Output voltage, rated value (DC) | 5 V DC to 30 V DC |
| Output voltage, rated value (AC) | 5 V AC to 250 V AC |
| IP degree of protection | IP20 |
| Diagnostic alarm | Yes |
| Power loss, typ. | 5 W |
Applications
- Relay switching of external loads: Switching external loads through 8 relay outputs.
- Resistive load switching: Switching resistive loads up to 2 A.
- Lamp load switching: Switching lamp loads up to 30 W with DC and 200 W with AC.
Frequently Asked Questions
What is the exact Siemens model of this digital output module?
It is Siemens 6ES7222-1XF32-0XB0, SIMATIC S7-1200 SM 1222.
How many outputs does the SM 1222 module provide?
It provides 8 relay outputs and 8 digital outputs.
What are the relay coil supply and output voltage ratings?
Rated supply voltage of relay coil L+ (DC): 24 V. Output voltage rated value: 5 V DC to 30 V DC and 5 V AC to 250 V AC.
What protection and diagnostic features are listed for this module?
IP degree of protection: IP20. Diagnostic alarm: Yes. Diagnostics indication LED for status of the outputs: Yes.
