Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | SB 1223, DI 2×24 V DC/DQ 2×24 V DC |
| Digital inputs | 2; current-sinking |
| Digital outputs | 2; MOSFET, solid-state (current-sinking/current-sourcing) |
| Input voltage | 24 V DC rated; 0 to 5 V for signal "0"; +15 to +30 V for signal "1" |
| Output voltage | 24 V DC rated |
| Output current | 0.5 A rated value for signal "1" |
| Input timing | 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms and 12.8 ms, selectable in groups of four |
| Supply voltage | 20.4 V to 28.8 V DC |
| Diagnostics | Alarms, diagnostics function, and LED status indication |
Applications
- Digital signal acquisition: Acquires signals through 2 current-sinking digital inputs with 24 V DC rated input voltage.
- Digital output control: Controls digital loads through 2 MOSFET outputs with 24 V DC rated output voltage and 0.5 A rated output current.
Key Features
- Digital I/O configuration: Has 2 current-sinking digital inputs and 2 MOSFET solid-state digital outputs with current-sinking/current-sourcing operation.
- Input voltage and timing: Input rated value is 24 V DC; signal "0" is 0 to 5 V and signal "1" is +15 to +30 V. Standard input timing is parameterizable from 0.2 ms to 12.8 ms, selectable in groups of four.
- Output switching capacity: Outputs provide a 24 V DC rated value and 0.5 A rated output current. Maximum switching capacity is 0.5 A with resistive load and 5 W on lamp load.
- Supply and power loss: Permissible supply voltage is 20.4 V to 28.8 V DC. Input current from the backplane bus is typically 50 mA at 5 V DC, and typical power loss is 1 W.
- Diagnostics and indicators: Has alarms, a diagnostics function, and LED indication for input and output status.
- Cable and mounting data: Shielded cable length is up to 50 m. In all mounting positions, the value is 2 up to 40 °C maximum.
Frequently Asked Questions
1. How many digital channels does Siemens 6ES7223-0BD30-0XB0 have?
It has 2 current-sinking digital inputs and 2 MOSFET solid-state digital outputs.
2. What input signals does the SB 1223 support?
The input rated value is 24 V DC. Signal "0" is 0 to 5 V, and signal "1" is +15 to +30 V.
3. What output load can the module switch?
The outputs have a 0.5 A rated current. Maximum switching capacity is 0.5 A with resistive load and 5 W on lamp load.
4. Does the module provide diagnostics?
Yes. It has alarms, a diagnostics function, and LED indication for input and output status.
5. What supply voltage and cable length should be verified?
Verify a permissible supply voltage of 20.4 V to 28.8 V DC and a shielded cable length of up to 50 m.
