Training & Education


Low cost temperature controller

June 2006 Training & Education

Toho is offering a new ultra low cost temperature controller with a face size of 96 (h) x 48 mm (w). This unit is called the J5 and is big brother to J4 - which is reported to be popular.

The J5 controller's leading advantage is that the unit can be programmed as a heat/cool - motorised valve controller complete with additional alarm. The heat/cool arrangement is suitable for combustion equipment suppliers who require the modulation of motorised valves and gas throttle controls. Both main outputs offer full self-tuning PID control in both directions with the third output acting as an alarm. The controller has the Toho advanced self and auto tuning function plus a built in timer to automatically switch off outputs or give an alarm after a required period of running time.

This same instrument can be configured, via the front panel, to have one main PID relay (or SSR drive) output with two additional alarm relays. This configuration is for use in processing machines that require three relay outputs. One output starts the machine at a predetermined value, the main output controls the heater banks and the third output can be set to control a cooling system. This arrangement is suitable for plastic injection machines, gluing machines and any other similar systems.



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