Installation; Safety Instructions; External Position Sensors - ABB TZIDC Operating Instructions Manual

TZIDC DIGITAL POSITIONER | OI/TZIDC-EN REV. B

6 Installation

Safety instructions

CAUTION
Risk of injury due to incorrect parameter values!
Incorrect parameter values can cause the valve to move
unexpectedly. This can lead to process failures and result in
injuries.
• Before recommissioning a positioner that was previously
in use at another location, always reset the device to its
factory settings.
• Never start automatic adjustment before restoring the
factory settings!
Note
Before assembly, check whether the positioner meets the
control and safety requirements for the installation location
(actuator or final control element).
Refer to the Specification in the data sheet.
Only qualified specialists who have been trained for these tasks
are authorized to mount and adjust the unit, and to make the
electrical connection.
When carrying out any work on the device, always observe the
local accident prevention regulations and the regulations
concerning the construction of technical installations.

External position sensors

A
1
6
B
1
6
1 TZIDC Control Unit
2 Connection cable
3 TZIDC Remote Sensor
4 Actuator
Figure 4: TZIDC with external position sensors
Note
If the device is being operated on a cylinder, for reasons
associated with linearity you should run automatic adjustment
for rotary actuators (refer to Standard automatic adjustment
for rotary actuators on page 31).
2 3
5 4
2 7
5 4
M10904
5 Compressed air supply
6 Set point signal
7 Remote position sensor
A A TZIDC Control Unit with TZIDC Remote Sensor*
In this version, the components are supplied in two housings,
which together form one harmonized unit.
The following points should be observed during installation:
• Housing 1 (TZIDC Control Unit) contains the electronics
and pneumatics and is mounted separately from the
actuator.
• Housing 2 (TZIDC Remote Sensor) contains the position
sensor and is mounted on the linear and rotary actuator.
Perform mechanical mounting as described in Mechanical
mounting on page 16.
• The electrical connection is performed as described in
Connection on device – TZIDC Control Unit for remote
position sensor on page 28.
Note
To connect the TZIDC Remote Sensor, a cable with the following
specifications needs to be used:
• 3-wire, cross-section 0.5 to 1.0 mm
• shielded, with at least 85 % coverage
• Temperature range up to at least 100 °C (212 °F)
The cable glands must also be approved for a temperature range
up to at least 100 °C (212 °F). The cable glands require a
mounting for the shielding and strain relief for the cable in
addition.
ABB optionally offers a cable gland and cable for the
TZIDC Remote Version.
* The TZIDC Remote Version is temporarily not available for the marine
version.
B TZIDC Control Unit for remote position sensor
In this version the positioner is supplied without a position
sensor.
The following points should be observed during installation:
• Housing 1 (TZIDC Control Unit) contains the electronics
and pneumatics and is mounted separately from the
actuator.
• The remote position sensor is mounted on the linear and
rotary actuator. Follow the operating instructions for the
remote position sensor for mechanical mounting!
• The electrical connection is performed as described in
Connection on device – TZIDC Control Unit for remote
position sensor on page 28.
15
²