26
Electro-pneumatic positioner TZIDC-220
42/18-82 EN
3.5 Commissioning
3.5.1 Procedure
1. Turn on the air supply to the positioner.
2. Connect the bus with arbitrary polarity (or auxiliary power 9 V DC ... 32 V DC)
to the bus terminals.
is displayed.
3. Check for proper mounting:
-
Press and hold
M
ODE
and
E
NTER
simultaneously. Wait until the countdown
has run down from 3 to 0, then release
M
ODE
and
E
NTER
.
The operating
level (mode 1.x) is reached and indicated.
-
Press and hold
MODE
.
-
Additionally briefly press or until mode 1.3 (manual adjustment within the
sensor range) is displayed.
-
Release
MODE
.
-
Press or to move the actuator to its mechanical limit stops in both directions,
and note the values. The angle of rotation is indicated in degrees.
4. Return to the remote level.
-
Press and hold
MODE
and
ENTER
.
-
Wait until the countdown has run down from 3 to 0, then release
MODE
and
ENTER
.
is displayed.
Important
The prerequisite for proper operation of the TZIDC-220 positioner on the
bus is that the Transducer Block can change over to AUTO mode. This
requires that the operating range of both the positioner and the valve be
matched to each other (as described in step 5 of the procedure below). If
this auto-adjustment should fail or cannot be performed for any reason,
the Transducer Block remains in “Out of Service” mode and the configu-
ration bit in the “BLOCK-ERR Parameter” is “active”.
IMPORTANT
The positioner should be mounted/adjusted in such a way that the por-
tions of the sensor’s operating range above and below the center point
are nearly identical. Make sure to use the rotation angle of the position
sensor in the positioner to its utmost extent. Refer to
for details about how to readjust/correct if required.
conf
mA
%
C
°
Recommended range:
between -28° and +28° for linear actuators
between -57° and +57° for rotary actuators
Minimum angle: 25°
conf
mA
%
C
°
Summary of Contents for D400
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