ABB TZIDC-110 Positioner V18346 Positioner
Overview
General
ABB TZIDC-110 Positioner V18346 Positioner
Microprocessor-based position control in the TZIDC-110 provides for optimal results. The positioner features high-precision control functions and high operational reliability. Due to their elaborate
structure and easy accessibility, the device parameters can be quickly adapted to the respective application.ABB V18346 Positioner
The total range of parameters includes:
- Operating parameters
- Adjustment parameters
- Monitoring parameters
- Diagnosis parameters
- Maintenance parameters
3.1.1 Operating parameters
ABB TZIDC-110 Positioner V18346 Positioner
Signal range 0 ... 100%
Subranges are configurable, min. range 20 %
Recommended range > 50 %
Action (positioning signal)ABB V18346 Positioner
Increasing: Positioning signal 0 ... 100 % = direction 0 ... 100 %
Increasing: Positioning signal 0 ... 100 % = direction 100 ... 0 %
Characteristic curve (travel = f {signal})
Linear, equal percentage 1:25 or 1:50 or 25:1 or 50:1 or freely
configurable with 20 reference points.
Travel limit
ABB TZIDC-110 Positioner V18346 Positioner
The positioning travel, i.e. the stroke or angle of rotation, can be
reduced as required within the full range of 0 ... 100 %, provided that
a minimum value of 20 % is observed.
Shut-off function
This parameter can be set separately for each end position. When the
respective configured limit value is exceeded, the shut-off function
causes immediate travel of the actuator until reaching the set end
position.ABB V18346 Positioner
End Position Behavior
ABB TZIDC-110 Positioner V18346 Positioner
Selection option for behavior when moving into the end position.
Either the positioner additionally pressurizes the actuator and reaches
full actuating force in the end position, or it continues to control the
actuator in the end position and pressurizes the actuator only as much
as is required to maintain the position.
Travel time prolongation
This function can be used to increase the max. travel time for full travel. This time parameter can be set separately for each direction. ABB V18346 Positioner
Adjustment parameters
The TZIDC-110 positioner has a special function for automatic
adjustment of the parameters.
Additionally, the control parameters can be set manually to optimally
adapt them to the process requirements.
Tolerance band ABB V18346 Positioner
When reaching the tolerance band the position is considered as
corrected. From this point on, the position is further slowly re-adjusted
until the dead band is reached. The factory setting for this parameter
is 0.3 %.
Dead band (sensitivity)
ABB TZIDC-110 Positioner V18346 Positioner
When reaching the dead band, the position is held. The factory setting
for this parameter is 0.1 %.
Actuator spring action
Selection of the sensor shaft rotating sense (looking into the open
case), if the valve is moved to the safe position by the actuator spring
(actuator is depressurized via Y1/OUT1).
For double-acting actuators the actuator spring action corresponds to
pressurizing the pneumatic output (OUT2).
Display 0 … 100 %
Adjusting the display (0 ... 100%) according to the direction of action
for opening or closing the valve.
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