Product Overview
Technical Summary
| Product type | SM 1223, DI 8×24 V DC, DQ 8×24 V DC |
|---|---|
| Digital inputs | 8 |
| Digital outputs | 8 |
| Rated supply voltage | 24 V DC |
| Permissible supply voltage | 20.4 V to 28.8 V DC |
| Output switching capacity, resistive load, max. | 0.5 A |
| Potential separation, outputs to backplane bus | 500 V AC |
| Protection degree | IP20 |
Key Features
Has 8 digital inputs and 8 digital outputs; inputs are 24 V DC, Sink/Source, and outputs use transistors.
Rated supply voltage is 24 V DC, with a permissible range from 20.4 V to 28.8 V.
Outputs switch up to 0.5 A with a resistive load and up to 5 W on a lamp load.
Input signal "0" is 5 V DC at 1 mA, while signal "1" is 15 V DC at 2.5 mA.
Standard inputs have parameterizable delays of 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms and 12.8 ms.
The module has IP20 protection, diagnostic alarms, and LED indication for input and output status. Output short-circuit protection is not included and must be provided externally.
Frequently Asked Questions
What is the exact product identity?
Siemens 6ES7223-1BH32-0XB0, SIMATIC S7-1200 SM 1223, DI 8×24 V DC, DQ 8×24 V DC.
How many digital inputs and outputs does it have?
It has 8 digital inputs and 8 digital outputs.
What supply voltage does it use?
The rated supply voltage is 24 V DC, with a permissible range from 20.4 V to 28.8 V DC.
Does it include output short-circuit protection?
No. Output short-circuit protection must be provided externally.
What should be included in a project quotation request?
Include the requested quantity, destination, schedule context, and any additional BOM lines.
