bachmann DI232

The digital input modules DI216, DI232, DI232 CC and DI232/np1 

are used to connect up to 16 or 32 digital sensors to the M1 controller.

• Digital input modules with 16 or 32 inputs

• Current sinking logic > 2 mA acc. to EN 61132 type 1

• DI216, DI232, DI232 CC, DI232/np: 

input voltage: nom. 24 VDC (18 to 34 VDC) 

• Inputs 1 and 2 configurable as interrupt inputs

• Galvanic isolation of inputs from the system

• Status display for each channel via LED

• Sink / source inputs (DI232/np1)

Inputs

Number of inputs 16 32 32

Isolated input groups 2 (1-8 / 9-16) 2 (1-16 / 17-32) 4 (1-8 /9-16), 

(17-24/25-32) 

Input voltage 24 VDC 24 VDC 24 VDC

Internal resistance Approx. 6 kΩ Approx. 6 kΩ < 4,7 kΩ

Low level -34 to +5 V -34 to +5 V |UC-UIN| < 5 V

High level +15 to +34 V +15 to +34 V |UC-UIN| > 15 V

Input delay (normally via filter) 3 ms 3 ms 100 µs

Interrupt inputs Max. 2 Max. 2 Max. 2

Input delay (normally) 50 µs 50 µs 50 µs

Galvanic isolation from system 300 V 300 V 500 V

Galvanic isolation of groups 500 V 500 V 500 V

Current consumption (via BS2xx) 70 mA bei 5 V 80 mA bei 5 V 80 mA at 5 V

DI216, DI232/x

Approvals / Certificates

General CE, cULus, CCC

Marine DNV GL, LR, ABS, BV

Ambient conditions Standard ColdClimate ( )

Operating temperature -30 to +60 °C

Rel. humidity operation 5 to 95 % without condensation 5 to 95 % with condensation

Storage temperature -40 to +85 °C

Rel. humidity storage 5 to 95 % with condensation

Pollution degree 2 (without condensation; according to 

IEC 60664-1)

2 (according to IEC 60664-1)

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