| Model Number: | V18345-1010221001 | Input: | Input 4...20 MA, Two-wire With Connector Plug For LKS Adapter | 
|---|---|---|---|
| Explosion Protection: | Without | Output / Safe Position: | Fail Freeze | 
| Connections: | Cable: Thread 1/2-14 NPT Air Pipe: Thread 1/4-18 NPT | Plug-in Module: | Analog Position Feedback (sign. Range 4 … 20 MA) | 
| Optional Mechanical Kit For Digital Position Feedback: | Without | Design (varnish / Coding): | Standard | 
| Highlight: | ABB TZIDC Digital Positioner,Digital Positioner 1/2 NPT,V18345-1010221001 | ||
The TZIDC is an electronically configurable positioner with communication capabilities designed for mounting to pneumatic linear or rotary actuators. It features a small and compact design, a modular construction, and an excellent cost-performance ratio. Fully automatic determination of the control parameters and adaptation to the final control element yield considerable time savings and an optimal control behavior.
An I/P module with subsequent pneumatic amplifier is used to control the pneumatic actuator. The well-proven I/P module proportionally converts the permanent electrical positioning signal from the CPU into a pneumatic signal used to adjust a 3/3-way valve. The air flow for pressurizing or depressurizing the actuator is continuously adjusted. As a result, excellent control is achieved. When reaching the set point, the 3/3-way valve is closed in center position to minimize the air consumption. Four different pneumatics versions are available: for single-acting or double-acting actuators, each with “fail-safe” or “fail-freeze” function.
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