Description
‑ Power Supply：Power supplied by rack back‑plane 5VDC logic power supply
‑ Mechanical Structure：Rack plug‑in single‑width module for Symphony Plus HR rack；overall weight approx 0.499kg
‑ On‑board Resources：32‑bit high‑speed RISC processor, expanded RAM & flash memory, lithium backup battery, INFI‑NET interface circuit, Harmony back‑plane bus controller, comprehensive hardware self‑diagnosis circuitelectronic…
‑ Communication Interface：INFI‑NET dual‑ring network interface; internal Harmony back‑plane Expander bus for local I/O communication
‑ Galvanic Isolation：Transformer isolation between INFI‑NET ring network side and rack internal system bus side, restrain external industrial interference.
‑ Core Function：Execute DCS function‑block control algorithm, PID closed‑loop control, sequence & interlock logic; manage rack local and remote I/O points; INFI‑NET network data interaction; hardware self‑diagnosis, fault alarm upload; battery backup for configuration and RTC clock data.
‑ Protection：Module internal over‑temperature, over‑current monitoring protection.
‑ Status LED Indicators：Run LED, fault LED, INFI‑NET Ring A / Ring B communication LED, battery low‑voltage alarm LED.
‑ Weight：approx 0.499kg
‑ SPBRC400 is main controller unit for Symphony Plus HR rack, expanded memory design supports larger quantity control points and complex sequential logic, compared with earlier BRC300, it improves logic processing capacity and point capacity. Two SPBRC400 modules can form 1:1 hot‑standby redundancy, master‑standby automatic switchover without control output disturbance when main controller fails.
‑ Real‑time executes PID, logic interlock, calculation, sequence control function blocks; collect I/O data from local rack and remote I/O sub‑rack, send control output command to I/O modules. Communicate with whole‑plant DCS via INFI‑NET dual redundant ring, upload real‑time process value, alarm & event information, receive configuration download from engineering workstation.
‑ On‑board lithium battery backs up user configuration and real‑time clock data during power failure; battery low‑voltage alarm reminds user to replace battery. Comprehensive self‑diagnosis covers processor operation, memory check, network link status, battery health; fault status upload to DCS operator station.
‑ Installed on Symphony Plus HR standard control rack, cannot work independently, must cooperate with INIIT series network termination module, I/O modules and terminal units.
Difference compared with IMMFP03：IMMFP03 belongs to old INFI90 Harmony controller; SPBRC400 is upgraded Symphony Plus HR‑series bridge controller with larger memory and stronger processing performance.
‑ Execute full set of process control algorithm including PID, logic interlock, sequence control for the control station.
‑ Manage local and remote I/O data, complete bidirectional data interaction with INFI‑NET ring network.
‑ Monitor module hardware, network link and backup battery status, fault alarm information upload to DCS system.
‑ Back‑plane：Rack internal Harmony Expander back‑plane bus for I/O data exchange and module power supply.
‑ External interfaces：INFI‑NET Ring A / Ring B coaxial ring‑network interfaces.
‑ Mounting：Plug‑in installation on Symphony Plus HR 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.
- SPBRC400 bridge controller（SPBRC4000000）
Complementary parts: Symphony Plus HR control rack, INIIT network termination module, Harmony series I/O modules & terminal units, INFI‑NET coaxial cable, system power supply, operator & engineering workstation.
‑ Insert module into controller dedicated slot of HR rack, tighten front‑panel locking knob to ensure reliable back‑plane connector contact.
‑ For redundant configuration, two SPBRC400 need correct master‑standby setting; pay attention to battery ageing, replace lithium battery periodically to avoid configuration loss after power‑off.
‑ Module replacement recommends power‑off operation. After replacement, download station complete configuration, verify controller run status, INFI‑NET dual‑ring communication, I/O point collection and control output normal.
‑ Strictly distinguish Ring A and Ring B coaxial wiring, loose coaxial connector will trigger ring‑break fault.
Power plant, petrochemical, pulp‑and‑paper industry Symphony Plus DCS control cabinets; main station bridge controller spare‑part for executing large‑scale process control logic.
- ABB Symphony Plus SPBRC400 bridge controller (SPBRC4000000), core main‑station processing unit for Symphony Plus HR‑series DCS.
- Expanded onboard memory, powerful function‑block execution capacity, support 1:1 hot‑standby redundant configuration, guarantee control continuity.
- Access INFI‑NET dual redundant ring network, lithium battery backup for configuration and real‑time clock, abundant hardware and link self‑diagnosis, low‑battery alarm function.
- Rack plug‑in single‑width structure, cabinet‑internal IP20 application, compatible with legacy Harmony rack hardware for system upgrade renovation.
- Undertake station whole‑set control algorithm calculation, I/O management and network data interaction.
- Discontinued legacy DCS spare‑part, used for old‑system maintenance and retrofit projects。
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