burner control units
Protective system control FCU
The protective system control FCU 500 is designed for the monitoring and controlling of central safety functions in multiple burner systems on an industrial furnace.
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- For monitoring and controlling central safety functions in multiple burner systems on industrial furnaces
- Checking of the valves and system for tightness using a valve proving system
- Safe recording of the furnace chamber temperature on high temperature equipment by a temperature monitor or temperature limiter
- Long service life due to replaceable power module for fail-safe outputs, can be programmed according to customer requirements
- EU certified, FM and EAC approved, certified for systems up to SIL 3 (compliant with PL e), FCU..H0: CSA approved
Actuation, Valve & Motion Control Specifications
- Actuator Type
- IC20, IC40, RBW three‑point step, frequency converter fan control (via terminals 53-56)
- Valve Type
- V1, V2, V3, relief valve configuration options as per tightness test scenario (parameters 52-53)
Control, Safety & Functional Behavior
- Timing Adjustments
- tGV (fan run‑up), tPV (pre‑purge), tPN (post‑purge), tRF (enable delay), tMP (min pause), tE (switch‑on delay), tL1/tL2 (valve opening), tM (measurement time)
Temperature Control/Measurement
- Temperature Monitoring
- STM (≥750 deg C high temp mode), STL/FSTL (max furnace temp 200-1600 deg C), double thermocouple Types K, N, S only (H1 versions)
Standards & Certifications
- Safety Level
- SIL 3 (EN 61508), PL e (ISO 13849) Certified
- Approvals
- FM Approved, EU‑GAR 2016/426, EMC 2014/30/EU, LVD 2014/35/EU, ANSI/CSA Z21.20; Eurasian CU approval
Control, Software & User Interface Specifications
- Program Sequences
- Startup, Safety Interlock Checks, Pre‑Purge, Airflow Monitoring, Tightness Test, Ignition Enable, Operation, Post‑Purge
Overview
- Product Type
- Protective system control for monitoring and controlling central safety functions in multi‑burner furnace systems
- Models
- FCU 500 (central control), FCU 505 (zone control)
Electrical Specifications
- Power Supply
- 120 VAC (Q), 230 VAC (W); 24 VDC control voltage ±10%
Software, Configuration & Cyber
- Parameter Storage
- Replaceable parameter chip card; settings transferable across units with identical type code
Inputs, Outputs & Signal Interfaces
- Outputs
- AC/24VDC - Gas valves V1(13), V2(14), V3(15), LDS start limits (16), Purge (17), High Temp (18), Fault 24V (41), Operation 24V (42), Capacity control (53-56), Fan (58), Safety interlock (57)
Installation & Mounting Specifications
- Installation Type
- DIN‑rail mount 35 x 7.5 mm, control cabinet ≥IP54, no condensation allowed
Performance Specifications
- Input Capacity
- 24 VDC - Start (1), Controlled air flow (2), Remote reset (3), Burner operation (4), Fan ready (44), VPS/POC (45), Emergency stop (46), Air min (47), Air flow (48), Gas min (49), Gas max (50), Programmable inputs (51,65,66,67,68)
Environmental Conditions
- Environmental Rating
- Cabinet IP54; OCU faceplate IP65
- Operating -20 to +60 deg C
Communication & Interfaces
- Communication Options
- PROFINET/Modbus TCP via BCM 500 module; cyclic and acyclic data (status, faults, remaining times, STM/STL temps)
Applications & Compatibility
- Applications
- Gas min./max., air min., pre‑purge, tightness test, temperature monitoring, burner start enable, zone capacity control
Actuation, Valve & Motion Control Specifications
- Actuator Type
- IC20, IC40, RBW three‑point step, frequency converter fan control (via terminals 53-56)
- Valve Type
- V1, V2, V3, relief valve configuration options as per tightness test scenario (parameters 52-53)
Control, Safety & Functional Behavior
- Timing Adjustments
- tGV (fan run‑up), tPV (pre‑purge), tPN (post‑purge), tRF (enable delay), tMP (min pause), tE (switch‑on delay), tL1/tL2 (valve opening), tM (measurement time)
Temperature Control/Measurement
- Temperature Monitoring
- STM (≥750 deg C high temp mode), STL/FSTL (max furnace temp 200-1600 deg C), double thermocouple Types K, N, S only (H1 versions)
Standards & Certifications
- Safety Level
- SIL 3 (EN 61508), PL e (ISO 13849) Certified
- Approvals
- FM Approved, EU‑GAR 2016/426, EMC 2014/30/EU, LVD 2014/35/EU, ANSI/CSA Z21.20; Eurasian CU approval
Control, Software & User Interface Specifications
- Program Sequences
- Startup, Safety Interlock Checks, Pre‑Purge, Airflow Monitoring, Tightness Test, Ignition Enable, Operation, Post‑Purge
Overview
- Product Type
- Protective system control for monitoring and controlling central safety functions in multi‑burner furnace systems
- Models
- FCU 500 (central control), FCU 505 (zone control)
Electrical Specifications
- Power Supply
- 120 VAC (Q), 230 VAC (W); 24 VDC control voltage ±10%
Software, Configuration & Cyber
- Parameter Storage
- Replaceable parameter chip card; settings transferable across units with identical type code
Inputs, Outputs & Signal Interfaces
- Outputs
- AC/24VDC - Gas valves V1(13), V2(14), V3(15), LDS start limits (16), Purge (17), High Temp (18), Fault 24V (41), Operation 24V (42), Capacity control (53-56), Fan (58), Safety interlock (57)
Installation & Mounting Specifications
- Installation Type
- DIN‑rail mount 35 x 7.5 mm, control cabinet ≥IP54, no condensation allowed
Performance Specifications
- Input Capacity
- 24 VDC - Start (1), Controlled air flow (2), Remote reset (3), Burner operation (4), Fan ready (44), VPS/POC (45), Emergency stop (46), Air min (47), Air flow (48), Gas min (49), Gas max (50), Programmable inputs (51,65,66,67,68)
Environmental Conditions
- Environmental Rating
- Cabinet IP54; OCU faceplate IP65
- Operating -20 to +60 deg C
Communication & Interfaces
- Communication Options
- PROFINET/Modbus TCP via BCM 500 module; cyclic and acyclic data (status, faults, remaining times, STM/STL temps)
Applications & Compatibility
- Applications
- Gas min./max., air min., pre‑purge, tightness test, temperature monitoring, burner start enable, zone capacity control
- Actuator Type : IC20, IC40, RBW three‑point step, frequency converter fan control (via terminals 53-56)
- Valve Type : V1, V2, V3, relief valve configuration options as per tightness test scenario (parameters 52-53)
- Timing Adjustments : tGV (fan run‑up), tPV (pre‑purge), tPN (post‑purge), tRF (enable delay), tMP (min pause), tE (switch‑on delay), tL1/tL2 (valve opening), tM (measurement time)
- Temperature Monitoring : STM (≥750 deg C high temp mode), STL/FSTL (max furnace temp 200-1600 deg C), double thermocouple Types K, N, S only (H1 versions)
- Safety Level : SIL 3 (EN 61508), PL e (ISO 13849) Certified
- Program Sequences : Startup, Safety Interlock Checks, Pre‑Purge, Airflow Monitoring, Tightness Test, Ignition Enable, Operation, Post‑Purge
- Product Type : Protective system control for monitoring and controlling central safety functions in multi‑burner furnace systems
- Power Supply : 120 VAC (Q), 230 VAC (W); 24 VDC control voltage ±10%
- Parameter Storage : Replaceable parameter chip card; settings transferable across units with identical type code
- Outputs : AC/24VDC - Gas valves V1(13), V2(14), V3(15), LDS start limits (16), Purge (17), High Temp (18), Fault 24V (41), Operation 24V (42), Capacity control (53-56), Fan (58), Safety interlock (57)
- Models : FCU 500 (central control), FCU 505 (zone control)
- Installation Type : DIN‑rail mount 35 x 7.5 mm, control cabinet ≥IP54, no condensation allowed
- Input Capacity : 24 VDC - Start (1), Controlled air flow (2), Remote reset (3), Burner operation (4), Fan ready (44), VPS/POC (45), Emergency stop (46), Air min (47), Air flow (48), Gas min (49), Gas max (50), Programmable inputs (51,65,66,67,68)
- Environmental Rating : Cabinet IP54; OCU faceplate IP65|Operating -20 to +60 deg C
- Communication Options : PROFINET/Modbus TCP via BCM 500 module; cyclic and acyclic data (status, faults, remaining times, STM/STL temps)
- Approvals : FM Approved, EU‑GAR 2016/426, EMC 2014/30/EU, LVD 2014/35/EU, ANSI/CSA Z21.20; Eurasian CU approval
- Applications : Gas min./max., air min., pre‑purge, tightness test, temperature monitoring, burner start enable, zone capacity control
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