Description
‑ Power Supply：Power supplied by Harmony rack back‑plane, 5VDC back‑plane logic power supply
‑ Mechanical Structure：Rack plug‑in module for Symphony Harmony rack；overall weight approx 0.20kg
‑ On‑board Resources：On‑board communication microprocessor, serial signal conditioning circuit, optocoupler isolation circuit, self‑diagnosis circuit, onboard firmware storage.
‑ Communication Interface：Dual serial channels, support RS‑232‑C and RS‑485; internal rack back‑plane module bus for communicating with station processor. Baud rate range 75‑115200bps.
‑ Galvanic Isolation：Serial channel galvanic isolation between external field equipment side and DCS system back‑plane side.
‑ Core Function：Serial protocol parsing and conversion, Modbus‑RTU / ASCII communication, data buffer forwarding, serial link fault diagnosis, realize third‑party device data access to INFI90 DCS.
‑ Protection：Serial port surge and over‑voltage protection.
‑ Status LED Indicators：Module run LED, fault LED, serial send/receive status LED.
‑ Weight：approx 0.20kg
‑ IMSPM01 is special serial communication module for INFI90 system, two configurable serial channels, hardware jumper select RS‑232‑C or RS‑485 mode for each channel.
‑ Support master or slave Modbus‑RTU communication, read‑write data from third‑party intelligent instruments, PLC and electrical IED devices, convert serial data into INFI90 internal point data, transmit to MFP/BRC processor through rack back‑plane bus.
‑ Built‑in comprehensive diagnosis: detect module hardware failure, serial frame error, communication timeout, link break; fault alarm information upload to DCS operator station.
‑ Installed on Symphony Harmony standard rack, cannot work independently, must cooperate with MFP or BRC series processor. Serial communication parameters (baud rate, parity, data bit, stop bit) must keep consistent with connected external equipment.
Difference compared with IMMPI01：IMMPI01 oriented to connect host computer debugging terminal; IMSPM01 focuses on Modbus RTU third‑party field intelligent device access.
‑ Complete serial protocol conversion and data forwarding between external serial equipment and INFI90 station processor.
‑ Monitor module hardware health status and serial communication link status, fault information upload to DCS system.
‑ No independent process control logic function, all control algorithm executed by upper‑level MFP/BRC controller.
‑ Back‑plane：Rack internal back‑plane module bus for data communication and module power supply.
‑ External interfaces：Two serial communication ports, adopt supporting terminal unit for wiring, jumper switch RS232/RS485 mode.
‑ Mounting：Plug‑in installation on Symphony Harmony standard rack
‑ Operating Temperature：‑20 ℃ ~ +55 ℃
‑ Storage Temperature：‑40 ℃ ~ +85 ℃
‑ Relative Humidity：5‑95 %RH, non‑condensing
‑ Pollution degree：Degree 2
‑ Protection Class：IP20, cabinet‑internal installation.
- IMSPM01 serial port module（3BSE008588R1）
Complementary parts: Symphony Harmony rack, MFP / BRC series processor, matched terminal wiring unit, Modbus‑RTU third‑party intelligent equipment, shielded serial communication cable, INFI‑NET network, operator station.
‑ Insert module into correct slot of Harmony rack, tighten front‑panel screws, ensure reliable back‑plane connector contact.
‑ Select RS232 or RS485 via terminal jumper, serial wiring use shielded cable, separate from high‑voltage power cable to avoid electromagnetic interference. Communication parameters must match external device.
‑ Module replacement recommends power‑off operation. After replacement, download corresponding serial function‑code configuration, verify reading and writing data with third‑party devices normally.
‑ RS485 multi‑drop network need configure terminal matching resistance at bus tail end.
Power plant, petrochemical, pulp‑and‑paper industry Symphony INFI90 DCS control cabinets; Modbus‑RTU third‑party device access communication spare‑part for Harmony system.
- ABB Symphony Harmony IMSPM01 serial port communication module (3BSE008588R1), dual‑channel serial interface card for INFI90 DCS.
- Hardware jumper select RS‑232‑C / RS‑485, support Modbus‑RTU, ASCII, binary protocols, baud rate up to 115200bps.
- Galvanic isolation for serial channels, abundant self‑diagnosis of hardware and communication link fault, alarm upload.
- Rack plug‑in structure, cooperate with special terminal unit for field wiring, cabinet‑internal IP20 application.
- Only responsible for serial protocol conversion and data forwarding, no independent control logic, work with station processor.
- Discontinued legacy DCS spare‑part, used for old‑system maintenance and retrofit projects。
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