ABB TZIDC

With the TZIDC designed for remote position sensors, the 

positioner is supplied without a position sensor. 

The housing (TZIDC Control Unit) contains the electronics and 

pneumatics along with the following options, where applicable: 

• Analog position feedback 

• Digital position feedback 

Any position sensor (4 to 30 kΩ, with line break detection 

4 to 18 kΩ) can be connected. 

Connect the positioner (TZIDC Control Unit) and remote position 

sensor while observing the following instructions: 

• A shielded 3-wire cable with a maximum length of 10 m (33 ft) 

must be used for the connection. 

• Route the cable into the terminal compartment through the 

EMC cable glands. Ensure that the shielding is secured 

correctly in the EMC cable glands. 

• Connect the cables in accordance with the electrical 

connections and tighten the screws of the terminals so that 

they are hand-tight. 

• The electrical connection of the TZIDC Control Unit and the 

optional modules are described in TZIDC / TZIDC Control 

Unit terminal assignment on page 33. 

• If the TZIDC Control Unit is fastened such that it is it nonconductive,

the housing must be grounded (TZIDC Control 

Unit and remote position sensor housing with the same 

electric potential); otherwise control deviations could occur 

with regard to analog position feedback. 

• Use wire end ferrules when connecting. 

• The pneumatic outputs must be connected to the actuator 

using cables of at least Ø 6 mm (0.23 in). 

• If the device is being operated on a cylinder, for reasons 

associated with linearity you should run automatic 

adjustment for rotary actuators. 

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