Product Overview
Technical Summary
| Product type | SM 1222, DO 16x 24 V DC/0.5 A Sink |
|---|---|
| Digital outputs | 16 |
| Output type | Sourcing (Sinking Output), NPN transistor |
| Supply voltage | 20.4 V to 28.8 V DC |
| Rated output voltage | 24 V DC |
| Rated output current | 0.5 A |
| Short-circuit protection | No; to be provided externally |
| Diagnostic alarm | Yes |
| Output-status LED | Yes |
| Potential separation | 500 V AC between digital outputs and backplane bus |
| Protection | IP20 |
Key Features
Has 16 digital outputs in groups of 1.
Uses sourcing (Sinking Output) NPN transistor outputs with a 0.5 A rated output current.
Permissible supply voltage is 20.4 V to 28.8 V DC; rated output voltage is 24 V DC.
Short-circuit protection is not included and must be provided externally.
Has diagnostic alarms and output-status LEDs. Digital outputs have 500 V AC potential separation from the backplane bus.
Has IP20 protection; maximum cable length is 500 m shielded or 150 m unshielded.
Frequently Asked Questions
What is the exact output variant of Siemens 6ES7222-1BH32-1XB0?
It has the product type designation SM 1222, DO 16x 24 V DC/0.5 A Sink, with 16 sourcing (Sinking Output) NPN transistor outputs.
What supply voltage does this digital output module accept?
The permissible supply voltage range is 20.4 V to 28.8 V DC.
What output current and voltage are specified?
The rated output voltage is 24 V DC and the rated output current for signal "1" is 0.5 A.
Does the module include short-circuit protection?
No; short-circuit protection is to be provided externally.
What project quotation details should accompany this line item?
Provide the requested quantity, destination, schedule context and any additional BOM lines.
