Description
‑ Power Supply：Power supplied by Harmony rack back‑plane, 5VDC，typical consumption 415mA，power 2.08W
‑ Mechanical Structure：Rack plug‑in module for Symphony Harmony rack；overall weight approx 0.26kg
‑ On‑board Resources：208KB RAM,64KB ROM, serial communication processing circuit, SCSI interface controller, hardware self‑diagnosis circuit.
‑ Communication Interface：2‑channel RS‑232‑C serial port, 1‑channel SCSI parallel interface; internal rack back‑plane module bus for INFI90 station communication.
‑ Galvanic Isolation：Serial port partial signal isolation, isolate external device and DCS back‑plane system.
‑ Core Function：Protocol conversion, data buffer scheduling, realize data exchange between INFI‑NET ring network and external host / debugging terminal, communication fault self‑diagnosis.
‑ Protection：Serial port over‑voltage protection.
‑ Status LED Indicators：Module run LED, fault LED, communication status indicator.
‑ Weight：approx 0.26kg
‑ IMMPI01 is dedicated external communication interface module for INFI90 system. Two RS‑232‑C channels support baud rate 75‑19200bps, connect old industrial host computer, portable debugging terminal, realize configuration download, parameter modification, alarm and process data upload.
‑ SCSI interface is used for high‑speed large‑capacity data transmission with early industrial peripheral equipment. Module completes data buffering and protocol conversion, transmits data to INFI‑NET ring network via rack back‑plane bus, cooperate with INICT series communication module.
‑ Built‑in hardware self‑diagnosis, detect module hardware failure and communication link abnormality, fault alarm information upload to DCS operator station.
‑ Installed on Symphony Harmony standard rack, cannot work independently, must cooperate with MFP/BRC processor.
Difference compared with INICT03：INICT03 is INFI‑NET ring network gateway card; IMMPI01 is external serial/SCSI peripheral interface processor, responsible for connecting outside host equipment.
‑ Process data forwarding and protocol conversion between external equipment and DCS ring network.
‑ Monitor module hardware status and external communication link status, fault information upload to DCS system.
‑ No process control logic function, all control algorithm runs in MFP / BRC controller.
‑ Back‑plane：Rack internal back‑plane module bus, communicate with station processor.
‑ External interfaces：Two RS‑232‑C DB9 serial ports, one SCSI parallel port.
‑ Mounting：Plug‑in installation on Symphony Harmony standard rack
‑ 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.
- IMMPI01 multi‑point interface module（3BSE008584R1）
Complementary parts: Symphony Harmony rack, MFP/BRC series processor, INICT communication module, INFI‑NET ring network, external host computer or debugging terminal, serial communication cable.
‑ Insert module into correct slot of Harmony rack, tighten front‑panel screws to guarantee reliable back‑plane connector contact.
‑ RS232‑C communication cable wiring should comply with serial signal specification, keep away from strong electromagnetic interference source. Configure baud rate, parity bit and other parameters consistent with external device.
‑ Module replacement recommends power‑off operation. After replacement, verify serial communication connection status, check data receiving‑transmitting is normal.
‑ Strictly distinguish IMMPI01 and IMMPI01+, they cannot be interchanged.
Power plant, petrochemical, pulp‑and‑paper industry Symphony INFI90 DCS control cabinets; external host computer communication interface spare‑part for Harmony system.
- ABB Symphony Harmony IMMPI01 multi‑point interface module (3BSE008584R1), special external communication processor for INFI90 DCS.
- Equipped with 2‑channel RS‑232‑C serial port + 1‑channel SCSI parallel port, complete protocol conversion and data buffer between external equipment and INFI‑NET ring network.
- Built‑in self‑diagnosis for hardware and communication link fault, alarm upload to operator station.
- Rack plug‑in structure, cabinet‑internal IP20 application, cooperate with station processor to realize upper‑machine data interaction.
- No independent control function, only undertake communication processing task. Note: cannot mix‑use with IMMPI01+ pulse splitter module.
- Discontinued legacy DCS spare‑part, used for old‑system maintenance and retrofit projects。
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