Increased indication accuracy and faster sampling rate are among the important enhancements that Omron has incorporated in the latest versions of its compact E5GN temperature controller. Presented in 1/32 DIN (48 x 24 mm) housings, the new units are the smallest models in the popular E5-N temperature controller range yet they make no compromises in versatility and ease of use.
At the heart of the new E5GN controllers is a large easy-to-read colour-change display, which can optionally be configured to alternate between showing SV/PV and controller status messages, including alarms. The display can also be switched between three colours, allowing it to be used, for example, to provide an instant visual indication of an alarm condition.
The controllers are available either with universal inputs for use with Pt sensors and thermocouples, or with inputs that are compatible with standard analogue current and voltage signals. The new models have an indication accuracy of ±0,3% when used with thermocouples, and ±0,2% for all other input types.
To ensure ease of use, the new E5GN temperature controllers incorporate a parameter mask function that is accessed via Omron’s CX Thermo support software. This function allows parameters that are not needed for a particular application to be hidden, thereby guarding against setting errors and inadvertent operation. The CX Thermo software can also be used as an aid to convenient setting, adjustment and parameter cloning, creating easy and errorless copies for multiple machines.
Like a PLC’s ladder, the E5GN has eight logic registers to perform logic switching. These eight ‘work bits’ can be programmed to perform simple logic operations, with or without time delays, using the status of alarms or the controller’s digital inputs. The result can be used to control the operation of the E5GN itself, or one of its Control or Sub outputs.
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