Product Description
Key Features
- Exact product identity: SIPLUS S7-1200 SB 1221 digital input module, product type designation SB 1221, DI 4×5 V DC 200 kHz.
- Digital input capacity: 4 current-sourcing digital inputs in groups of 4.
- Input electrical data: Rated input voltage: 5 V DC. Input current for signal "0": 2.2 mA maximum; for signal "1": 5.1 mA minimum and 15 mA typical.
- Configuration and indication: Standard inputs are parameterizable with 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 μs and 0.05 / 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 ms; input-status LED indication is available.
- Installation and dimensions: Maximum shielded cable length: 50 m with shielded, twisted pair. Dimensions: 38 mm width, 62 mm height, 21 mm depth; weight approximately 35 g.
- Environmental design: Conformal coating: Class 2 for high reliability according to EN 61086. Operating ambient temperature: -40 °C to 60 °C, with start-up at -25 °C.
Technical Summary
| Product type | SB 1221, DI 4×5 V DC 200 kHz |
|---|---|
| Product lifecycle | Active Product |
| Digital inputs | 4; Current-sourcing |
| Rated input voltage | 5 V DC |
| Input current, signal "0", max. | 2.2 mA |
| Input current, signal "1", min. | 5.1 mA |
| Input current, signal "1", typ. | 15 mA |
| Operating ambient temperature | -40 °C to 60 °C; start-up @ -25 °C |
| Conformal coating | Class 2 for high reliability according to EN 61086 |
Frequently Asked Questions
What input configuration does Siemens 6AG1221-3AD30-5XB0 have?
It has 4 current-sourcing digital inputs in groups of 4, with a rated input voltage of 5 V DC.
What input speed is supplied for the SB 1221?
The product type designation specifies DI 4×5 V DC 200 kHz.
What temperature range and start-up condition are specified?
Operating ambient temperature is -40 °C to 60 °C, with start-up at -25 °C.
What should be confirmed for an exact legacy-part request?
Confirm the complete order number 6AG1221-3AD30-5XB0, required quantity, destination, and condition preference.
