Product Overview
Technical Summary
| Product type | SM 1223, DI 16×24 V DC, DO 16x 24 V DC Sink |
|---|---|
| Digital inputs | 16 |
| Digital outputs | 16; Transistor current sinking |
| Supply voltage, rated | 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 permissible range, max. |
| Input signal thresholds | Signal 0: 5 V DC at 1 mA; signal 1: 15 V DC at 2.5 mA |
| Short-circuit protection | Yes; 1 to 3.5 A |
| Potential separation | Digital inputs in groups of 2; digital outputs in groups of 1; 500 V AC from the backplane bus |
| Protection degree | IP20 |
Key Features
16 digital inputs and 16 digital outputs; inputs are in groups of 2 and outputs are in groups of 1.
SM 1223, DI 16×24 V DC, DO 16x 24 V DC Sink.
Rated supply voltage: 24 V DC; permissible range: 20.4 V to 28.8 V DC.
24 V DC inputs with sourcing/sinking operation; signal 0 is 5 V DC at 1 mA and signal 1 is 15 V DC at 2.5 mA.
16 sourcing transistor outputs with a rated signal 1 output current of 0.5 A.
Short-circuit protection is available from 1 to 3.5 A. Diagnostic alarms and LEDs for input and output status are supported; protection degree is IP20.
Frequently Asked Questions
What is the exact Siemens product type?
It is 6ES7223-1BL32-1XB0, product type SM 1223, DI 16×24 V DC, DO 16x 24 V DC Sink.
How many digital inputs and outputs does the module have?
It has 16 digital inputs and 16 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.
What output current and protection are provided?
The rated signal 1 output current is 0.5 A. Short-circuit protection is available from 1 to 3.5 A.
