Bachmann DI232 Digital Input Module

High-Performance Digital Input for Industrial Automation

The BACHMANN DI232 digital input module is designed to interface with up to 32 digital sensors, providing a reliable solution for industrial automation systems. Ideal for connecting sensors to the M200 controller, this module offers high flexibility with its configurable inputs and exceptional galvanic isolation. With a robust design and reliable performance, the DI232 ensures stable communication and data acquisition in demanding environments.

Key Features

16 or 32 digital inputs: Configurable for different sensor setups.
Current-sinking logic inputs: Complies with EN 61132, Type 1 standard.
Configurable interrupt inputs: Inputs 1 and 2 can be set as interrupt triggers.
Galvanic isolation: Protects the system by isolating inputs electrically.
Status indication: Each input channel has its own LED status indicator.
Sink/source inputs: Available on DI232/np1 version for flexible integration.

Technical Specifications

Feature	DI216	DI232	DI232 CC	DI232/np1
Number of Inputs	16	32	32	32
Separate Input Groups	2 (1-8 / 9-16)	2 (1-16 / 17-32)	2 (1-16 / 17-32)	4 (1-8 / 9-16, 17-24 / 25-32)
Input Voltage	24 V DC	24 V DC	24 V DC	24 V DC
Internal Resistance	~6 kΩ	~6 kΩ	~4.7 kΩ	<4.7 kΩ
Low-Level Input	-34 V to +5 V	-34 V to +5 V	-34 V to +5 V
High-Level Input	+15 V to +34 V	+15 V to +34 V	+15 V to +34 V
Input Delay (Filter)	3 ms	3 ms	3 ms	100 µs
Interrupt Inputs	Max. 2	Max. 2	Max. 2	Max. 2
Input Delay (Typical)	50 µs	50 µs	50 µs	50 µs
Galvanic Isolation from System	300 V	300 V	300 V	500 V
Galvanic Isolation Between Groups	500 V	500 V	500 V	500 V
Current Consumption	70 mA at 5 V	80 mA at 5 V	80 mA at 5 V	80 mA at 5 V

Application Overview

The BACHMANN DI232 is perfect for industrial automation systems requiring digital inputs with high isolation and reliability. It can handle a wide range of digital sensors, such as switches, sensors, and other control devices. The DI232 provides a flexible solution for systems that need to read signals from digital sources, including sensors or switches.

Its galvanic isolation feature ensures that external disturbances do not affect the system’s operation. Additionally, the module supports interrupt inputs that allow for immediate system responses to critical events. The DI232/np1 variant provides additional flexibility by offering sink/source inputs for diverse input configurations.