ABB CI840A 3BSE041882R1 System 800xA Communication Interface Module

Manufacturer：ABB

Product Number：CI840A 3BSE041882R1

Product Type：Communication Interface Module

Origin：Sweden (SE)

Dimensions：54 x 119 x 96 mm

Weight：0.2 kg

Frequently Asked Questions (FAQ)

Q1: What is the primary function of the CI840A module?
A1: The CI840A acts as a Fieldbus Communication Interface (FCI) that connects S800 I/O modules to a PROFIBUS-DPV1 network, supporting both single and redundant communication configurations.

Q2: Can CI840A be used in redundant configurations?
A2: Yes, CI840A supports redundant communication and is typically mounted on the TU846 (for redundant I/O) or TU847 (for non-redundant I/O).

Q3: Does the CI840A support Hot Configuration in Run (HCIR)?
A3: Yes, CI840A supports HCIR, allowing configuration changes without stopping I/O operations.

Q4: Is HART protocol supported with CI840A?
A4: Yes, CI840A supports HART pass-through communication, enabling diagnostics and configuration of HART field devices.

Q5: What power supply range is required for CI840A?
A5: The module requires a 24 V DC supply, within an acceptable range of 19.2 to 30 V DC.

Q6: What is the function of the ModuleBus in CI840A?
A6: The ModuleBus is used for internal communication with S800 I/O modules, and it can be electrical or optical depending on the system design.

Q7: What optical components are compatible with the CI840A for ModuleBus expansion?
A7: TB806, TB842, or TB846 are used for optical ModuleBus connections with the CI840A.

Q8: Can CI840A be used in environments with stringent environmental requirements?
A8: Yes, the CI840Z version of this module complies with G3 environmental requirements according to ISA-S71.04.

3BSE041882R1 ABB CI840A Communication Interface Module System 800xA

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