ABB CI801 3BSE022366R1 System 800xA Communication Interface Module

Manufacturer：ABB

Product Number：CI801 3BSE022366R1

Product Type：Communication Interface Module

Origin：Sweden (SE)

Dimensions：85.8 × 136 × 58.5 mm

Weight：0.3 kg

Frequently Asked Questions (FAQ)

Q1: What is the primary function of the ABB CI801 module?
A1: The CI801 is a Fieldbus Communication Interface (FCI) module for S800 I/O systems. It acts as a PROFIBUS-DPV1 slave and manages communication with up to 12 connected I/O modules via ModuleBus.

Q2: How do you assign a PROFIBUS address to the CI801 module?
A2: The PROFIBUS address is configured using two rotary switches located on the front of the CI801. The valid address range is from 01 to 99.

Q3: What is the maximum number of I/O modules supported by CI801?
A3: The CI801 can manage up to 24 I/O modules per station, but only 12 modules can be physically installed per cluster. Due to PROFIBUS-DPV1 limitations, the actual usable number depends on the types of I/O modules and parameter sizes.

Q4: Can CI801 modules be installed on any DIN rail orientation?
A4: Yes, the CI801 module is DIN rail mountable and supports flexible installation to suit different cabinet layouts.

Q5: Is the CI801 capable of handling Hot Configuration in Run (HCIR)?
A5: Yes, CI801 supports HCIR, allowing configuration changes—such as inserting or removing modules—without interrupting the running system.

Q6: What happens if the CI801 module is the last device on the PROFIBUS segment?
A6: If the CI801 is the last device and provides active termination, disconnecting it from power or PROFIBUS will interrupt communication on the entire bus.

Q7: What kind of power does the CI801 distribute to the I/O modules?
A7: The CI801 provides 24 V DC (from the source) and generates isolated 5 V DC for powering connected I/O modules through the ModuleBus.

Q8: What should be considered for scan cycle time planning with CI801?
A8: The I/O scan cycle time is calculated based on the type and number of I/O modules. Digital modules are scanned every cycle, while analog modules are scanned every 4th or 10th cycle depending on type. The base FCI scan time also factors into the calculation.

3BSE022366R1 ABB CI801 Communication Interface Module System 800xA

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