ABB CI531 3BSE003825R1 Communication Interface Board
Manufacturer: ABB
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Part Number: CI531
Condition：New with Original Package
Product Type: Communication Interface Modules
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB CI531 Communication Interface Module
The ABB CI531-EIP-XC, also cataloged as the CI531 Communication Interface Module, operates as a dedicated hardware component for PROFIBUS-DP slave communication within ABB AC 800M and System 800xA platforms. Technicians mount this unit into chassis slots to establish deterministic data lines between field devices and central processing units. The module converts fieldbus signal streams directly across internal backplane buses without intermediate signal converters.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | CI531 (CI531-EIP-XC) |
| Product ID | 3BSE003825R1 |
| Brand | ABB |
| Origin | Sweden / Germany |
| Weight | 0.145 kg |
| Dimensions | 125 x 20 x 260 mm |
| Operating Temp | 0 deg C to +55 deg C |
| Storage Temp | -40 deg C to +70 deg C |
| Power Consumption | 1.8 W (24 VDC nominal) |
| System Compatibility | ABB AC 800M controllers (System 800xA) |
| Communication Protocol | PROFIBUS-DP slave |
| Baud Rate | Up to 12 Mbit/s |
| Humidity Range | 5% to 95% non-condensing |
| Mounting | DIN-rail installation in AC 800M rack |
Backplane Bus Communication Velocity & Deterministic Network Scaling
The unit incorporates backplane bus communication velocity protocol management to drive deterministic I/O density scaling across sub-racks. Embedded hardware processors execute high-speed packet exchanges up to 12 Mbit/s, eliminating cyclic transmission delays between field instruments and host controllers. Internal isolation logic decouples external PROFIBUS signal lines from the primary backplane, suppressing common-mode electrical noise. In addition, firmware flash compatibility validation checks prevent invalid firmware deployments during scheduled system maintenance.
Frequently Asked Questions
Q: What specific restrictions govern hot-swapping or unseating the CI531 module during active network operation?
A: Maintenance personnel must ensure that dual-bus redundancy or secondary communication links are configured prior to module removal. Removing an active single-channel module drops the slave connection on the PROFIBUS segment.
Q: How do front-panel LED indicators report system status and communication faults?
A: Dedicated LED displays continuously monitor internal power rail status, bus activity, and framing error conditions. Hardware logic triggers diagnostic flags immediately when signal loss occurs on the fieldbus interface.
Q: Is external 24 VDC power required to energize the module logic circuitry?
A: Yes, the unit draws 1.8 W from the nominal 24 VDC power supply connection provided through the carrier baseplate assembly.
Field Installation Guidelines
Technicians must seat the card onto the DIN-rail guide within the AC 800M controller rack before pushing the unit into the backplane connector until retaining latches click into place. Route fieldbus communication cables through isolated wire channels, maintaining a minimum clearance of 100 mm from high-voltage AC lines to prevent electromagnetic interference. Terminate PROFIBUS cable shields directly to the cabinet ground bus bar using low-impedance grounding clamps prior to applying power.