Parameters, Derivative term, Enter diagnostics mode (set) – Watlow MICRODIN User Manual

Page 77: Test displays, Test outputs, Diagnostics group continued

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Parameters

= R e a d O n l y ;

= R e a d / W r i t e ;

= Tu r n O n / O f f

Wa t l o w M i c r o D I N 5 . 2 9

ON

Derivative Term

Monitor the derivative term. See

Chapter 4

for information about

PID control.

• Read only
• Modbus: 207

Range

-100.0 to 100.0

Default

none

Active

always

Enter Diagnostics Mode (Set)

• Enter the diagnostics mode to test indicator lights and outputs and

to enter the calibration mode.

• Read/write
• Modbus: 1512

Range

0 to 1788 and 1790 to 9999: exit the diagnostics mode
1789: enter the diagnostics mode

Default

0

Active

always

Test Displays

• Test the indicator lights on the front panel.
• Read/write
• Modbus: 1513

Range

0: turn off all indicator lights
1: turn on the cyclic display test

Default

0

Active

if the controller is in the diagnostics mode

Test Outputs

• Test both outputs.
• Read/write
• Modbus: 1514

Range

0: turn both outputs off
1: turn the control output on and the alarm output off
2: turn the control output off and the alarm output on

Default

0

Active

if the controller is in diagnostics mode

Diagnostics Group continued

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