Description
‑ Power Supply：Power supplied from CEX bus；typical power consumption 4.2W
‑ Mechanical Structure：standard S500 rack single‑slot plug‑in module, matched with TP867 baseplate；weight approx 0.48 kg
‑ On‑board Resources：Modbus‑TCP protocol processing unit, dual‑channel ethernet driving circuit, data buffer memory, CEX back‑plane bus controller, module self‑diagnosis circuit
‑ Communication Interface：internal CEX bus for data interaction with AC800M controller；two independent RJ45 ethernet interfaces, 100Mbit/s and 10Mbit/s
‑ Galvanic Isolation：galvanic isolation between ethernet bus side and controller internal logic side, isolation rating 2500 VAC
‑ Core Function：Modbus‑TCP master/slave protocol processing, third‑party ethernet device data mapping interaction, bus fault diagnosis, hot‑swap support
‑ Protection：ethernet‑port surge‑suppression and ESD protection
‑ Status LED Indicators：Power indicator, Module Fault indicator, two channel communication status LED
‑ Weight：approx 0.48 kg
‑ Installed in S500 standard rack via TP867 baseplate, communicates with AC800M series controller via rack internal CEX bus. Single AC800M controller supports multiple CI867 modules according to CEX bus load.
‑ Supports Modbus‑TCP client(master) and server(slave) dual working modes. Two independent ethernet ports with different rate, cannot do network line redundancy. As master station, it reads and writes Modbus register data of field third‑party equipment; as slave station, it provides AC800M internal process data for upper‑level host system. Realizes bidirectional signal mapping between Modbus register and Control Builder control variables, completes periodic data collection and non‑periodic parameter access.
‑ Built‑in data buffer guarantees data transmission stability. Supports hot‑swap, module can be replaced without rack power‑off during maintenance, brief communication interruption will occur in swapping process.
‑ Module self‑diagnosis monitors back‑plane power‑supply and on‑board hardware integrity; detects hardware fault and ethernet communication abnormality, reports fault word to AC800M controller.
‑ Cannot run independently; must cooperate with S500 rack, TP867 baseplate and AC800M series controller. CI867 3BSE043661R1 is early‑generation Modbus‑TCP communication module, cannot be substituted by general‑purpose ethernet communication modules. Different from later upgraded CI867A, CI867A only reserves single 100M ethernet portABB。
‑ Continuously monitors rack power‑supply and module hardware running state. Fault will activate panel fault LED and report fault alarm word to AC800M controller.
‑ No local historical‑data storage; module status and fault codes need to be read through Control Builder configuration‑monitoring tool.
‑ Module hardware failure will cause Modbus‑TCP communication breakdown; controller internal logic keeps normal operation, but data interaction with all connected Modbus‑TCP field devices fails.
‑ Back‑plane connector: inserts into S500 rack slot via TP867 baseplate, connects to CEX internal bus of AC800M controller.
‑ External dual RJ45 connectors: connect shielded ethernet cables to Modbus‑TCP third‑party equipment network.
‑ Mounting：insert into S500 standard rack single slot with TP867 baseplate
‑ Operating Temperature：‑20 ℃ ~ +60 ℃
‑ Storage Temperature：‑40 ℃ ~ +85 ℃
‑ Relative Humidity：5‑95 %RH, non‑condensing
‑ Pollution degree：Degree 2
‑ Protection Class：IP20, cabinet‑internal installation.
- CI867 Modbus TCP communication interface module（3BSE043661R1）
Complementary parts: S500 rack, TP867 baseplate, AC800M series controller, shielded ethernet cables, Modbus‑TCP third‑party devices, Control Builder configuration monitoring tool.
‑ Cut off control cabinet auxiliary power before inserting or replacing this module, although module supports hot‑swap, power‑off operation is recommended for spare‑part replacement. Configure Modbus‑TCP master‑slave mode, register mapping list and communication parameters according to site project requirements, adopt industrial shielded ethernet cable. Two ethernet ports are independent, do not support network redundancy function. It is recommended to replace module together with TP867 baseplate for spare‑part maintenance.
‑ For spare‑part replacement: verify full model CI867 and part‑number 3BSE043661R1; after installation check back‑plane power‑supply, verify bidirectional data interaction between controller and Modbus‑TCP field devices. Hardware‑version mismatch will bring risk of bus communication parsing abnormality.
‑ Module fault will result in communication failure of all Modbus‑TCP devices under corresponding network channel.
Power, petrochemical, metallurgy old‑set AC800M /800xA DCS control cabinets; access third‑party PLC, comprehensive protection relays, intelligent instruments via Modbus‑TCP protocol; industrial spare‑part for Modbus‑TCP protocol gateway unit.
- AC800M dedicated CI867 Modbus‑TCP communication interface module (3BSE043661R1), early‑generation Modbus‑TCP solution, supports master/slave dual mode, equipped with two different‑rate independent RJ45 ethernet ports, needs matching TP867 baseplateABB。
- Compatible with Modbus‑TCP standard protocol, realize seamless docking with mass third‑party ethernet automation equipment.
- Bus‑port galvanic‑isolation design, restrains field‑site electromagnetic interference and protects controller internal circuit.
- Supports hot‑swap, convenient for field maintenance and spare‑part swapping.
- Standard S500 rack plug‑in single‑slot structure, convenient cabinet installation, two ports cannot realize line redundancy.
- Legacy discontinued DCS spare‑part, only applied for old‑system maintenance and retrofit projects。
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