Product Description
Key Features
- Digital I/O configuration: SM 1223 has 8 digital inputs and 8 digital outputs.
- 24 V DC supply and signals: Rated supply voltage is 24 V DC; input voltage is 24 V DC rated.
- Digital output capacity: Outputs provide 0.5 A rated current and 0.5 A maximum permissible current per signal 1.
- Input signal characteristics: Input characteristic curve follows IEC 61131, type 1.
- Diagnostics and indicators: Diagnostics function, diagnostic alarms, supply-voltage monitoring, and DIAG LEDs are available for input and output status.
- Protection and isolation: Protection degree is IP20; digital inputs and outputs have 707 V DC type-test potential separation from the backplane bus.
Applications
- Digital signal input: Accepts 24 V DC digital signals through 8 digital inputs.
- Digital signal output: Switches digital loads through 8 sourcing transistor outputs with 24 V DC and 0.5 A rated output current.
Technical Summary
| Product type | SM 1223, DI 8x 24 V DC, DQ 8x 24 V DC 0.5A |
|---|---|
| Digital inputs | 8 |
| Digital outputs | 8 |
| Rated supply voltage | 24 V DC |
| Permissible supply voltage | 20.4 V to 28.8 V DC |
| Output current, signal 1 | 0.5 A rated value; 0.5 A maximum permissible |
| Input characteristic | IEC 61131, type 1 |
| Power loss | 4 W typical |
| Mounting | 8 up to 40 °C maximum in all mounting positions |
| Protection | IP20 |
Frequently Asked Questions
What order number should be confirmed for this module?
Confirm the complete nameplate order number: 6ES7223-5BH50-0XB0.
How many digital channels does the SM 1223 provide?
It provides 8 digital inputs and 8 digital outputs.
What output load rating should be checked?
The output current for signal 1 is 0.5 A rated and 0.5 A maximum permissible; switching capacity with resistive load is 0.5 A maximum.
