Key Features
- SM 1223 digital I/O module: SIMATIC S7-1200 Digital I/O SM 1223 with 16 DI/16 DO.
- 24 V DC input section: 16 DI 24 V DC, Sink/Source.
- Relay output section: 16 DO relay outputs rated 2 A.
- Diagnostic functions: Diagnostic alarm and status LEDs for inputs and outputs.
- IP20 protection: IP20 degree of protection.
Technical Summary
| Product type designation | SM 1223, DI 16×24 V DC, DQ 16x relay |
|---|---|
| Supply voltage, rated value (DC) | 24 V |
| Supply voltage, permissible range, lower limit (DC) | 20.4 V |
| Supply voltage, permissible range, upper limit (DC) | 28.8 V |
| Input current from backplane bus 5 V DC, max. | 180 mA |
| Digital inputs, number | 16 |
| Digital outputs, number | 16 |
| Digital outputs, output voltage rated value (DC) | 5 V DC to 30 V DC |
| Digital outputs, output voltage rated value (AC) | 5 V AC to 250 V AC |
| Digital outputs, output current for signal "1" rated value | 2 A |
| Switching capacity of the outputs, with resistive load, max. | 2 A |
| Diagnostic alarm | Yes |
Applications
- 24 V DC input signal acquisition: Reading 24 V DC input signals through 16 DI.
- Relay output switching: Switching output circuits through 16 relay DO channels rated 2 A.
Frequently Asked Questions
What is the exact Siemens model of this I/O module?
The exact model is 6ES7223-1PL32-0XB0.
How many digital inputs and outputs does 6ES7223-1PL32-0XB0 have?
It has 16 digital inputs and 16 digital outputs.
What supply voltage does the SM 1223 module use?
The rated supply voltage is 24 V DC, with a permissible range of 20.4 V DC to 28.8 V DC.
What output type and rating are specified for this module?
The module has 16 relay outputs, and the output current for signal "1" rated value is 2 A.
