Manual mv limit enable – Rockwell Automation 900-TC32 Digital Temperature Controllers, Series B User Manual

Page 190

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Publication 900-UM007D-EN-E - January 2011

4-54

Parameter Adjustments & Application Considerations

The overall manual operation is illustrated in the following figure.

Figure 4.109 — Overall Manual Operation

Note: Refer to Output Adjustment Functions on page 4-75 for information on the

priority for the MV.

Manual MV Limit Enable

When the Manual MV Limit Enable parameter is configured to ON (enabled),
the MV limits will function and the setting range for the Manual MV
parameter will be between the MV upper limit and the MV lower limit. When
the parameter is configured to OFF (disabled), MV limits will not function.

Moving to the Manual Control function group (Refer to Figure 4.110)

In the Operation function group select the Auto/Manual parameter and then
press the

O key for at least 3 seconds to switch to the manual mode and to

0

ON

OFF

MV (%)

Time

Balanceless-bumpless

Manual

Automatic

MV switched

Power in-
terrupted

Table 4.AC —Related Displays and Parameters

Parameter Name

Symbol

Function Group

Remarks

PV/MV (Manual MV)

Manual Control function group

−5.0…105.0 (heating/cooling control:

−105.0…105.0)

Auto/Manual Switch

a-m

Operation function group

Switches between automatic and manual modes.

Auto/Manual Select
Addition

amad

Advanced Setting function
group

Enables switching between automatic and
manual modes.

Table 4.AD

Parameter Name

Setting Range

Default

Manual MV Limit Enable

OFF: Disabled, ON: Enabled

ON

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