EUROTHERM 7100S AT66743-1-9-05-11 Single Phase Thyristor Power Controller

Overview

EUROTHERM 7100S AT66743-1-9-05-11 is a single-phase intelligent thyristor power controller from Eurotherm 7100S series. EUROTHERM 7100S AT66743-1-9-05-11 accepts analog command signal to regulate output power for resistance heating loads and short-wave infrared heaters, supports multiple firing modes and built-in heater fault diagnosis. This EUROTHERM 7100S AT66743-1-9-05-11 is widely stocked as spare heating power control unit for thermal process automation assemblies.

Features

EUROTHERM 7100S AT66743-1-9-05-11 supports burst firing, single-cycle firing and phase angle firing modes, suitable for different heating element types including constant resistance heater and SWIR short-wave infrared heater. It accepts 4-20mA or 0-10V analog setpoint input. 7100S integrates heater open circuit, heater short circuit and load current monitoring diagnostic functions, provides alarm relay output for fault feedback to host control system. It supports Modbus RTU communication for parameter configuration and real-time data monitoring. This unit adopts DIN rail mounting, screw terminal connection. It complies with EN 60947-4-3 and EMC standards. It is discontinued by Eurotherm and maintained as maintenance spare part for old oven, autoclave, thermoforming and injection molding heating systems. The code AT66743-1-9-05-11 represents the full configuration option code of this unit.

Specifications

EUROTHERM 7100S Thyristor Power Controller Brand: EUROTHERM Model: 7100S Code: AT66743-1-9-05-11 Type: single-phase thyristor power controller Control phase: 1 phase Max operating voltage: 500 VAC Command input: analog 4-20mA / 0-10V Firing mode: burst fire, single-cycle, phase angle Diagnostic: heater break, heater short, current monitoring Communication: Modbus RTU Alarm output: relay alarm contact Load type: resistive heater, SWIR infrared heater Mounting: DIN rail TH35 Protection class: IP20 Standard: EN 60947-4-3, CE Ambient temperature: -10℃ ~ +60℃ Status: discontinued legacy thermal power spare

Principle

EUROTHERM 7100S AT66743-1-9-05-11 receives analog power reference signal from temperature controller or PLC. This Single Phase Thyristor Power Controller adjusts thyristor conduction angle or burst cycle to control average power delivered to heating load. It continuously monitors load current and triggers alarm output when heater open circuit or short circuit fault occurs.

Applications

EUROTHERM 7100S AT66743-1-9-05-11 is deployed in industrial oven, autoclave, thermoforming machine, paint drying line, injection molding barrel heating and multi-zone thermal process equipment. It provides precise power regulation for heating circuits. EUROTHERM 7100S AT66743-1-9-05-11 is stocked as spare thyristor power controller for thermal control assemblies.