Connection On The Device; Air Supply - ABB TZIDC Manual

TZIDC DIGITAL POSITIONER | CI/TZIDC/C-FM-US-EN REV. A

Connection on the device

1 OUT 2
2 OUT 1
Figure 22: Pneumatic connections
Marking Pipe connection
IN Supply air, pressure 1.4 to 6 bar (20 to 90 psi)
Marine version:
• Supply air, pressure 1.4 to 5.5 bar (20 bis 80
psi)*
OUT1 Output pressure to the actuator
OUT2 Output pressure to the actuator
(2. Connection with double acting actuator)
* (Marine version)
Join the pipe connections according to the designation,
observing the following points:
• All pneumatic piping connections are located on the
right-hand side of the positioner. G¼ or ¼ 18 NPT tap
holes are provided for the pneumatic connections. The
positioner is labeled according to the tap holes available.
• We recommend that you use a pipe with dimensions of
12 × 1.75 mm.
• The supply air pressure required to apply the actuating
force must be adjusted in line with the output pressure in
the actuator. The working range for the positioner is
between 1.4 and 6 bar (20 to 90 psi)**.
** 1.4 to 5.5 bar (20 to 80 psi) marine version
3 IN

Air supply

Instrument air*
Purity Maximum particle size: 5 μm
Maximum particle density: 5 mg/m
Oil content Maximum concentration 1 mg/m
Pressure dew point 10 K below operating temperature
Supply pressure** Standard design:
1.4 to 6 bar (20 to 90 psi)
Marine version:
1.6 to 5.5 bar (23 to 80 psi)
Air consumption*** < 0.03 kg/h / 0.015 scfm
* Free of oil, water and dust in accordance with DIN / ISO 8573-1, pollution
and oil content according to Class 3 (except for natural gas variant)
** Do not exceed the maximum output pressure of the actuator
*** Independent of supply pressure
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