DVC6000f Series
March 2006
5-36
Deadband Reference
Deadband (+/− 5%)
Deadband exceeded,
new Reference Point
established
Point
This amount of change is
added to the Travel
Accumulator.
A6534/IL
Figure 5-7. Travel Accumulator Deadband (set at 10%)
Tag Description
The Tag Description (TAG_DESC [2]) is a 32
character description used to assign a unique
description to each block within the digital valve
controller to describe the intended application for the
block.
Relay Type
Enter the type of relay (RELAY_TYPE [42.5]), A or B,
installed in the digital valve controller. Relay A is used
for double-acting and single-acting direct applications.
Relay B is used for single-acting reverse applications.
Calib Person
Name of the person performing last calibration
(XD_CAL_WHO [31]).
Calib Location
Indicates the location of the last instrument calibration
(XD_CAL_LOC [29]).
Calib Date
Enter a date with the format MM/DD/YY. Date is a
user-defined variable that provides a place to save the
date of the last calibration (XD_CAL_DATE [30]).
MAI Channel Map
(TB > Detailed Setup > Instrument > MAI Channel
Map)
MAI Channel 1 − 8
Allows the user to specify which transducer block
parameter is available through each of the MAI Block
channels (MAI_CHANNEL_1 through
MAI_CHANNEL_8 [95.1 through 95.8]). See table
5-13 for additional information.
Act and Valve
Valve
(TB > Detailed Setup > Act and Valve > Valve)
Valve Manufacturer ID
Enter the ID of the manufacturer of the valve
(VALVE_MAN_ID [25]) on which the instrument is
mounted. Select from the drop-down list or enter the
manufacturer’s identification number as defined by the
Fieldbus Foundation. For Fisher, the manufacturer ID
hex value is 005100.
Valve Model Number
Enter the valve model number (VALVE_MODEL_NUM
[26])
, (design letter or type number) for the valve on
which the instrument is mounted.
Valve Serial Number
Enter the serial number of the valve (VALVE_SN [27])
on which the instrument is mounted.
Valve Style
Enter the type of valve (VALVE_TYPE [28]),
sliding-stem or rotary, on which the instrument is
mounted.
Class
Enter the valve pressure class rating (VALVE_CLASS
[83.2]).
Rated Travel
Enter the valve rated travel (RATED_TRAVEL [83.3])
in inches or mm for sliding stem valves, or in degrees
of rotation for rotary valves.
Actual Travel
Enter the actual travel (ACTUAL_TRAVEL [83.4]) in
inches or mm for sliding stem valves, or in degrees of
rotation for rotary valves.
Stem Diameter
Enter the valve stem diameter (SHAFT_STEM_DIA
[83.5]) in inches or millimeters.
Packing Type
Enter the valve packing construction
(PACKING_TYPE [83.6]).
5
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