Instruction Manual

Instruction Manual
D103176X012
Detailed Setup and Calibration
April 2014
43
Figure 4‐1. Calibrated Travel to Analog Input Relationship
TRAVEL
RANGE
HIGH
TRAVEL
RANGE
LOW
THE SHAPE OF
THESE LINES DEPENDS ON
THE INPUT CHARACTERISTICS
LINEAR CHARACTERISTIC SHOWN
INPUT RANGE
LOW
INPUT RANGE
HIGH
ANALOG INPUT
MA OR % OF 4-20 MA
CALIBRATED TRAVEL, %
A6531-1
ZCS = CLOSED
ZCS = OPEN
NOTE:
ZCS = ZERO CONTROL SIGNAL
Actuator and Valve Information
Field Communicator Setup & Diag > Detailed Setup > Actuator & Valve (1-2-5)
Follow the prompts on the Field Communicator to edit or view information in the following fields:
D Max Supply Press—Enter the maximum supply pressure in psi, bar, or kPa, depending on what was selected for
pressure units.
Note
If the actual measured pressure exceeds this setting by 25%, the pressure measurement will not be displayed.
D Actuator Style—Enter the actuator style, spring and diaphragm, piston double-acting without spring, piston
single-acting with spring, or piston double-acting with spring.
D Valve Style—Enter the valve style, rotary or sliding-stem
D Zero Control Signal—Identifies whether the valve is fully open or fully closed when the input is 0%. If you are unsure
how to set this parameter, disconnect the current source to the instrument. The resulting valve travel is the Zero
Control Signal. (With direct acting digital valve controllers, disconnecting the current source is the same as setting
the output pressure to zero.)