Products Description
ABB CI534V02 3BSE010700R1 Modbus Serial Communication Sub‑Module

Technical Specifications
Model: CI534V02
Part Number: 3BSE010700R1
Brand: ABB
Product Type: Modbus serial communication sub‑module
Communication Interface: Dual‑channel RS‑485
Supported Protocol: Modbus RTU / ASCII, Master / Slave mode configurable
Baud Rate: Max 19.2 kbps
Electrical Isolation: Galvanic isolation for serial ports
Installation: Plug‑in sub‑slot for Advant controller mainboard
Compatible System: Advant OCS, AC410, AC450
Operating Temperature: ‑20℃ ~ +70℃
Protection Class: IP20
Core Function: Realize serial data interconnection between Advant controller and third‑party field instruments

Product Details
The CI534V02 3BSE010700R1 is a Modbus Protocol Sub‑Module under ABB Advant OCS series, it acts as one dedicated Serial Integration Daughter‑Board, plugged into the sub‑slot of main processor board to expand serial communication capacity for the controller.
It provides two independent RS‑485 serial channels, supports Modbus RTU and ASCII protocol, and can be configured as master or slave mode according to site requirements. It can connect power meters, frequency converters, flow totalizers and third‑party small PLC devices, converting Modbus serial data into internal system variables for controller logic processing. Galvanic isolation design on serial ports effectively suppresses ground loop interference generated in mixed‑wiring industrial cabinets, improving communication stability in heavy‑industrial environment.
Status LED indicators on panel reflect channel running state and serial communication fault information. It supports diagnosis for frame error, timeout and bus short‑circuit, fault alarms will be transmitted to main controller through backplane. Engineers can complete communication parameter configuration via ABB AMPL programming language, realizing transparent data interaction between DCS system and multi‑brand peripheral equipment.
Adopting sub‑module plug‑in structure, no extra rack slot is occupied, which saves cabinet space. Widely used in thermal power, petrochemical, water‑treatment and pulp‑paper legacy Advant automation projects. It is practical functional hardware for third‑party instrument access, serial interface expansion and aging communication sub‑module replacement for old Advant OCS control systems.