ABB DI890 3BSC690073R1 S800 I/O Systems Digital Input Module

Frequently Asked Questions (FAQ)

Q1: What types of sensors are supported by DI890?
A1: The module supports NAMUR proximity sensors and voltage-free contacts.

Q2: Does the DI890 provide isolation per input channel?
A2: Yes, every channel is galvanically isolated from others, ground, and the power supply.

Q3: Is intrinsic safety supported?
A3: Yes, the module includes intrinsic safety components on each channel for hazardous areas.

Q4: Does the module support HART protocol?
A4: No, DI890 does not support HART communication.

Q5: Is an external power supply required for DI890?
A5: Yes, +24V external power is needed for the input stages.

Q6: Is SOE (Sequence of Events) functionality available?
A6: No, DI890 does not have SOE functionality.

Q7: Which mounting bases are compatible with DI890?
A7: It is compatible with TU890 for Ex environments and TU891 for non-Ex environments.

Q8: What are the suitable environmental conditions for DI890?
A8: Operating temperature 0 to +55°C, 5% to 95% RH, suitable for G3-class corrosion environments.

3BSC690073R1 ABB DI890 Digital Input Module S800 I/O Systems

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