Microprocessor-Based SCR Controller
March 5, 2001
From Watlow Electric Manufacturing Co., SCR Power Series controller is suitable for oven manufacturing as well as applications in the petrochemical, pulp and paper, and process markets. The controller has field-configurable phase-angle or zero-cross firing; 50/60 Hz independent operation; adjustable soft start; heater and control diagnostic capabilities to monitor actual performance and eliminate startup problems; serial communications utilizing Modbus RTU protocol; and on-board semiconductor fusing to protect against heater short circuits.
March 2001, RS# 217