SCR Heat Control Panel with HMI
PLC and HMI supervised SCR power controller for electric process heating, with 4-20 mA setpoint and safety interlocks.
superseded
This unit is no longer built. It is listed for reference, and the specifications below are those of the units that were supplied. Ask us what replaces it.
Specifications05 rows
| Supply | 380 VAC 3-phase 50 Hz |
|---|---|
| Rating | 30 kW (higher to order) |
| Control | PLC with colour HMI |
| Signals | 4-20 mA signal converters for setpoint and feedback |
| Firing | SCR phase-angle or burst firing |
built to date · 02
Standard build configurations
Configurations of this unit built to date. Ratings outside this list are quoted against the same platform.
- 01Heating control SCR safety panel
- 02SCR panel for heat control with HMI, PLC and 4-20 mA signal converters, for oil companies
Features · 05
- Closed-loop temperature control with SCR modulation
- PLC and HMI with trending and alarm history
- 4-20 mA transmitter and setpoint interfaces
- Safety interlock chain with over-temperature and heater-failure trips
- Soft-start to limit thermal shock on heating elements
Options · 04
- Multi-zone control
- SCADA / Modbus integration
- Redundant control supply
- Recipe and ramp-soak profiles
Applications · 04
- Oil and gas process heating
- Industrial ovens and furnaces
- Tank and line heat tracing
- Chemical reactor temperature control
Related · Panels, Distribution & ControlsAll Panels, Distribution & Controls
DC Distribution Board (DCDB)
Compartmentalised DC distribution boards with per-circuit MCBs, monitoring and earth-fault detection, up to 20 outgoing ways.
DC Earth Fault Relay
Adjustable 1-10 kΩ DC insulation monitoring relay with test button, for unearthed station DC systems.
AC Distribution Panel
Built-to-order AC distribution boards for industrial and installation supplies, with metering and per-circuit protection.