Micromod MOD: Modcell 2050R Users Guide User Manual

Page 89

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IB-23C650

SETUP

Table 7. Auto/Manual Ratio Bias Setup Menu

Middle

Display

Bottom

Display

Entry Description

**MENU**

None.

TYPE

RATIO

BIAS

RAT BIAS

= Ratio only station
= Bias only station
= Ratio and bias station

SOURCE

LOCAL

REMOTE

Remote source requires option board.

SOURCE

LOCAL

REMOTE

Remote source requires option board.

BALANCE

STANDARD

AUTO

= Outputs may bump when switching from

manual to auto

= Bumpless transfer when switching from

manual to auto. Not valid if source is
remote. Calculated value of ratio can exceed
30000 during normal operation.

UP

or

DN

will change value though display reads
30000.

To calculate new ratio or bias value:
New bias value = Output – proc. variable
New ratio value = Output/proc. variable

BALANCE

STANDARD

AUTO

= Outputs may bump when switching from

manual to auto

= Bumpless transfer when switching from

manual to auto. Not valid if source is
remote.

See Step 5 for explanation of calculation.

83

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