Product Description
Key Features
- Exact product identity: SIMATIC S7-1200 SM 1223 digital I/O module; product type designation: SM 1223, DI 8×24 V DC, DQ 8×24 V DC.
- Digital input capacity: 8 digital inputs, in groups of 2, with 24 V DC rated input voltage and Sink/Source capability.
- Digital output capacity: 8 transistor digital outputs, in groups of 1, with 24 V DC rated output voltage and 0.5 A rated output current.
- Supply voltage: Rated supply voltage: 24 V DC; permissible range: 20.4 V to 28.8 V DC.
- Input and output diagnostics: Diagnostic alarm is present. LEDs indicate input and output status.
- Mounting and protection: Maximum quantity is 8 for all mounting positions up to 40 °C, horizontal installation up to 40 °C and 50 °C, and vertical installation up to 40 °C. Protection degree: IP20.
Technical Summary
| Product type designation | SM 1223, DI 8×24 V DC, DQ 8×24 V DC |
|---|---|
| Digital inputs | 8; in groups of 2 |
| Digital outputs | 8; in groups of 1 |
| Supply voltage, rated value (DC) | 24 V |
| Supply voltage, permissible range (DC) | 20.4 V to 28.8 V |
| Output current for signal "1", rated value | 0.5 A |
| Input characteristic curve | In accordance with IEC 61131, type 1 |
| Short-circuit protection | No; to be provided externally |
| Digital input potential separation | Between the channels, in groups of 2 |
| Digital output potential separation | Between the channels, in groups of 1; 500 V AC between channels and backplane bus |
| Protection degree | IP20 |
| Product lifecycle | Active Product |
Frequently Asked Questions
What exact Siemens order number should be confirmed?
Confirm 6ES7223-1BH32-0XB0 and the product type designation SM 1223, DI 8×24 V DC, DQ 8×24 V DC.
How many digital inputs and outputs does this module have?
It has 8 digital inputs and 8 transistor digital outputs.
What supply voltage does the module use?
The rated supply voltage is 24 V DC, with a permissible range of 20.4 V to 28.8 V DC.
Is short-circuit protection included for the digital outputs?
No; short-circuit protection is to be provided externally.
