Product Overview
Technical Summary
| Product type designation | SB 1221, DI 4×5 V DC 200 kHz |
|---|---|
| Based on | 6ES7221-3AD30-0XB0 |
| Digital inputs | 4; Current-sourcing |
| Rated input voltage | 5 V DC |
| Conformal coating | Class 2 for high reliability according to EN 61086 |
| Operating temperature | -40 °C to 60 °C; start-up at -25 °C |
Key Features
- Product designation: SIPLUS S7-1200 SB 1221, DI 4×5 V DC 200 kHz.
- Digital inputs: 4 current-sourcing digital inputs, in groups of 4.
- Input voltage: Rated input voltage: 5 V DC.
- Conformal coating: Conformal coating for printed circuit board assemblies according to EN 61086, Class 2 for high reliability.
- Operating temperature: Ambient temperature during operation: -40 °C to 60 °C; start-up at -25 °C.
Frequently Asked Questions
What does Siemens order number 6AG1221-3AD30-5XB0 identify?
It identifies a SIPLUS S7-1200 SB 1221 digital input module with 4 inputs, 5 V DC input voltage, and 200 kHz capability.
Which specifications distinguish this MLFB?
The supplied variant has 4 current-sourcing digital inputs, conformal coating, an operating temperature of -40 °C to 60 °C, and start-up at -25 °C.
What code and nameplate details should be checked before inquiry?
Check the complete order number 6AG1221-3AD30-5XB0 and the product designation SB 1221, DI 4×5 V DC 200 kHz.
What information is needed for a quotation?
Provide the required quantity and destination together with the complete order number.
