MMC 2401 controller used in compensation mode.

Issue

Controller used in compensation mode from the outside temperature sensor.

Product Line

Field Devices

Environment

MMC

2401

Controller

Compensation

Cause

Explanation of codes used when in compensated mode.

Resolution

The compensation mode is selected by choosing code 17 and entering value 001

There are a number of codes which are relevant, the main codes are listed below.

  • 6 = Outside Temperature Changeover 1 - default value = 20
  • 7 = Outside Temperature Changeover 2 - default value = -5
  • 10 = Compensator Set Value - default value = 30
  • 11 = Ratio 1  - default value = -15
  • 12 = Ratio 2  - default value = -25
  • 13 = Ratio 3  - default value = 0

The screen shot below shows have the above settings are used.

For the MMC data sheet please click HERE. and for the full details click HERE.