Azbil AVP200, User Manual

Page: 11 / 190

Introduction
ix
1. Attachment of feedback lever
In order to minimize the risk of damage to the feedback lever
while it is carried or transported, and to minimize the pack-
aging as well, the feedback lever is detached from the body of
the device when it is packed. As a result, the feedback lever
must be attached to the body of the device prior to installa-
tion of the device.
Attach the feedback lever securely, working from the front of
the device, using the two included hexagon socket head bolts.
Spring
Feedback lever
Bolt with hexagonal hole
Main unit
Attachment of Feedback Lever
2. Attachment and installation
[1] Attachment to the actuator
Attach to the actuator with a mounting plate that is appropri-
ate for the actuator.
[2] Adjustment of attachment positions
Procedure for adjustment of attachment positions
Step Procedure
1 Set the A/M switch to manual operation.
(See 5.2, “A/M Switch.”)
2 Supply air, and adjust the actuator air pressure such that the
actuator stem reaches the travel midpoint.
3 Adjust the actuator such that the feedback lever reaches a
90° angle to the device's central vertical axis. Depending
on the actuator being used, adjustment may be performed
by moving the device, or it may be performed by moving
the pin.
4 Set the A/M switch to automatic operation.
(See 5.2, “A/M Switch.”)
Note: The accuracy specifications can be satisfied by making
the attachment angle 90° ± 2°.
Combination of model AVP300/301/302 (integral type) and single-acting rotary cylinder
actuator
Adjustment of Attachment Positions
3. Air piping and electric wiring connection
Connect the air piping and electrical wiring.
For details, see section 2.2, “Installation Method,” in this
document.
4. Auto-setup
(1) Set the input signal to 18 ± 1 mA.
(2) Using a flat-blade screwdriver, turn the external zero/
span adjustment switch in the upper part of the case 90°
in the UP direction (clockwise), and hold that position
for three seconds.
Note: For reverse close (when the valve's fully closed posi-
tion is on top), set the valve action to reverse close before-
hand. See 4.4.4, “Control configuration,” in this document.
(3) The valve will automatically start to move, and will stop
in about 3 to 4 minutes.
(4) When it stops, adjust it to a position that fits the input
signal.
(5) After that, check whether it has been adjusted correctly.
• Auto-setup can be performed with CommStaff as well.
Warning
When auto-setup is performed, the valve moves from fully
closed to fully open, so there is a danger of, for example,
getting your hand caught or affecting the process.
Before performing auto-setup, move away from the valve,
and confirm that the process is safe.
Note: When closing the valve
of the single-acting type device
with the lever in the upward
direction, first set it to reverse
close.
If performing auto-setup
Rotate in UP direction
External zero/span adjustment switch