Description
‑ Power Supply：Power supplied by Harmony rack back‑plane, +5VDC 2A, +15V /‑15V, typical power consumption 10W
‑ Mechanical Structure：Rack plug‑in single‑width module for Symphony Harmony rack；overall weight approx 0.72kg
‑ On‑board Resources：512KB ROM firmware storage, 2MB RAM data buffer, protocol processing circuit, hardware self‑diagnosis circuit
‑ Communication Interface：INFI‑NET ring network interface; external RS‑232‑C serial port(max baud rate 19200bps), SCSI high‑speed parallel interface; internal rack back‑plane bus
‑ Galvanic Isolation：Isolation between INFI‑NET side and external computer interface side, suppress external equipment interference to DCS ring network.
‑ Core Function：INFI‑NET ring network and external computer protocol conversion, bidirectional data buffer forwarding, configuration download, process data & alarm event upload, hardware and link fault self‑diagnosis.
‑ Protection：Communication port surge protection.
‑ Status LED Indicators：Module self‑check LED, network status LED, serial/SCSI communication status LED, fault alarm LED.
‑ Weight：approx 0.72kg
‑ INICT03A acts as gateway between INFI‑NET dual‑ring network and external host computer. Two external communication modes: RS‑232‑C serial low‑speed connection, SCSI interface for high‑speed large‑volume data transmission with early engineering workstation.
‑ Realize two‑way data interaction: upload real‑time process point data, alarm messages, sequence‑of‑event records from DCS ring network to host computer; download project configuration, function‑code logic and parameter modification from engineering station to station processors(MFP/BRC).
‑ Built‑in large‑capacity RAM buffer, avoid data loss during network short‑time jitter. Complete self‑diagnosis: detect module hardware failure, INFI‑NET ring break, serial/SCSI link abnormality, fault alarm upload to DCS operator station.
‑ Installed on Symphony Harmony standard rack, cannot work independently, must access INFI‑NET ring network and cooperate with MFP/BRC processors. Communication parameters of RS232 port need consistent with connected host computer.
Difference compared with IMMPI01：IMMPI01 is rack‑local serial/SCSI interface for single station; INICT03A is ring‑network‑level gateway, facing whole INFI‑NET ring network, data throughput capacity is much higher。
‑ Complete protocol conversion and bidirectional data forwarding between INFI‑NET ring network and external computer equipment.
‑ Monitor module hardware status, INFI‑NET ring network status and external communication link status, fault information upload to DCS system.
‑ No independent process control logic function, all control algorithm executed by MFP / BRC station processor.
‑ Back‑plane：Rack internal back‑plane bus for module power supply.
‑ External interfaces：INFI‑NET coaxial ring‑network interface; RS‑232‑C serial port; 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.
- INICT03A INFI‑NET to computer transfer module（3BSE008590R1）
Complementary parts: Symphony Harmony rack, INFI‑NET coaxial cable, MFP / BRC series processor, operator / engineering workstation, SCSI or RS232 communication cable, system rack power supply.
‑ Insert module into correct slot of Harmony rack, tighten front‑panel locking knob to guarantee reliable back‑plane connector contact.
‑ INFI‑NET coaxial cable wiring must comply with ring‑network specification, terminal resistance shall be configured correctly, prevent ring‑network open‑circuit fault.
‑ When using RS‑232‑C communication, set baud rate, parity bit, data bit, stop bit consistent with host workstation. SCSI cable length shall not exceed specification limit.
‑ Recommend power‑off operation for module replacement. After replacement, verify INFI‑NET ring communication status, test configuration download and real‑time data uploading function.
‑ This module belongs to discontinued legacy hardware, confirm firmware version compatibility when replacing spare‑parts.
Power plant, petrochemical, pulp‑and‑paper industry Symphony INFI90 DCS control cabinets; ring‑network‑level gateway spare‑part for data interaction between DCS ring network and external engineering/operator host.
- ABB Symphony Harmony INICT03A INFI‑NET to computer transfer gateway module (3BSE008590R1), dedicated ring‑network‑computer interface for INFI90 DCS.
- Equipped with RS‑232‑C serial port and high‑speed SCSI parallel port, realize bidirectional transmission of process data, alarm events and control configuration files.
- Large‑capacity on‑board data buffer, electrical isolation between DCS ring‑network and external computer side, abundant hardware and link self‑diagnosis, alarm upload.
- Rack plug‑in single‑width structure, cabinet‑internal IP20 application, access INFI‑NET dual redundant ring network.
- Only undertake gateway protocol conversion and data forwarding, no independent control logic. Distinguished from station‑level IMMPI01 interface module.
- Discontinued legacy DCS spare‑part, used for old‑system maintenance and retrofit projects。
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