Siemens 6ES7221-1BH32-0XB0
The Siemens 6ES7221-1BH32-0XB0 is a SIMATIC S7-1200 Digital Input Module, model SM 1221. It is designed to expand the capabilities of your S7-1200 controller by providing 16 additional digital inputs. This module operates at a rated voltage of 24V DC and features a flexible sinking/sourcing input configuration, making it suitable for a wide variety of industrial automation applications. It allows for the connection of sensors, switches, and other digital field devices, ensuring reliable and fast signal acquisition for your control system. As a compact component of the SIMATIC S7-1200 family, it integrates seamlessly with the CPU for efficient and scalable automation solutions.
Technical Specifications:
- Product Type: Digital Input Module
- Product Series: SIMATIC S7-1200
- Model: SM 1221
- Number of Digital Inputs: 16
- Input Voltage: 24 V DC
- Input Type: Sinking/Sourcing (Type 3 according to IEC 61131)
- Input Delay (0 to 1): 0.2 ms to 12.8 ms (configurable)
- Isolation (Channels to Backplane Bus): 750 V DC for 1 minute
- Permissible Cable Length (shielded): max. 500 m
- Permissible Cable Length (unshielded): max. 300 m
- Dimensions (W x H x D): 45 mm x 100 mm x 75 mm
- Power Loss: typ. 2.5 W




| Brand | Siemens |
|---|---|
| Model | 6ES7221-1BH32-0XB0 |
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