Product Overview
Technical Summary
| Product designation | SM 1223, DI 8×24 V DC, DQ 8x relay |
|---|---|
| Digital inputs | 8 |
| Relay outputs | 8 |
| Rated supply voltage | 24 V DC |
| Permissible supply voltage | 20.4 V to 28.8 V |
| Output voltage, rated value | 5 V DC to 30 V DC; 5 V AC to 250 V AC |
| Output current, signal "1" | 2 A |
| Input signal "0" | 5 V DC at 1 mA |
| Input signal "1" | 15 V DC at 2.5 mA |
| Backplane bus input current, max. | 145 mA |
| Protection degree | IP20 |
Key Features
- Product designation: SM 1223, DI 8×24 V DC, DQ 8x relay.
- Digital channels: 8 digital inputs and 8 relay outputs, arranged in groups of 2.
- Supply voltage: Rated supply voltage: 24 V DC; permissible range: 20.4 V to 28.8 V.
- Relay output capacity: Maximum switching capacity is 2 A with resistive or inductive load; lamp load is 30 W with DC and 200 W with AC.
- Input signal thresholds: Signal "0": 5 V DC at 1 mA; signal "1": 15 V DC at 2.5 mA.
- Protection and diagnostics: IP20 protection, diagnostic alarm, and LED indications for input and output status.
Frequently Asked Questions
What does Siemens 6ES7223-1PH32-0XB0 identify?
It identifies an SM 1223 digital I/O module with 8 digital inputs and 8 relay outputs.
Which specifications distinguish this MLFB variant?
The supplied variant has 8 inputs rated at 24 V DC, 8 relay outputs, and a 24 V DC rated supply voltage.
What output loads are supported by the listed switching capacity?
The maximum switching capacity is 2 A with resistive or inductive load, and 30 W with DC or 200 W with AC for lamp load.
What should be checked when requesting a quotation?
Check the complete order number, required quantity, and destination.
