ABB V18345-101022100N TZIDC Electro-Pneumatic Valve Positioner
Manufacturer: ABB
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Part Number: V18345-101022100N
Condition：New with Original Package
Product Type: Valve Positioners
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB V18345-101022100N TZIDC Positioner
Configured for precise valve control in industrial fluid handling systems, the ABB V18345-101022100N (V18345 Electro-pneumatic Positioner) provides direct physical execution of control signals via a two-wire 4-20 mA DC interface.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | V18345-101022100N |
| Brand | ABB |
| Origin | Germany |
| Weight | 2.5 kg |
| Dimensions | 150 mm x 158 mm x 133 mm |
| Operating Temp | -40 deg C to +85 deg C |
| Power Consumption | < 0.5 W (via 4-20 mA loop) |
| Input Signal | 4-20 mA DC (two-wire) |
| Pneumatic Output | 0.2-1 bar (3-15 psi) |
| Actuator Compatibility | Linear (NAMUR) and Rotary (VDI/VDE 3845) |
Process Control Integration and Connectivity
The TZIDC series utilizes a 4-20 mA HART loop protocol to facilitate bi-directional communication between the control system and the field-mounted actuator. The internal control logic executes high-speed proportional-integral-derivative (PID) algorithms to ensure position feedback loop stability. Channel-to-channel isolation is maintained within the controller's I/O card to prevent ground loops that could degrade positioning accuracy. The device features integrated cold junction compensation (CJC) capabilities during ambient temperature fluctuations, ensuring consistent valve travel linearity regardless of environmental thermal drift.
Frequently Asked Questions
Q: How does the V18345-101022100N manage air supply failures? A: The positioner is designed for fail-safe operation. Upon loss of the electrical control signal or pneumatic supply pressure, the internal pneumatic relay exhausts the actuator chambers to drive the valve toward its defined fail-safe position (open or closed).
Q: Is the device capable of being configured without external software? A: Yes, the TZIDC platform supports local manual commissioning via an integrated single-button interface. This allows for basic zero-point and span calibration directly at the valve site.
Q: What are the grounding requirements for the aluminum housing? A: The housing must be connected to a clean, low-impedance ground point using the provided M5 terminal. Proper bonding is required to maintain the integrity of internal electronic circuits and to satisfy EMC compliance standards in electrically noisy environments.
Field Installation Guidelines
- Mounting: Attach the positioner to the actuator using the appropriate mounting kit (NAMUR for linear, VDI/VDE 3845 for rotary). Ensure the feedback lever is properly aligned with the valve stem or actuator shaft to prevent mechanical binding.
- Pneumatic Connections: Connect the instrument air supply to the labeled 'SUP' port. Utilize clean, oil-free, and dry compressed air (ISO 8573-1 class 3) to prevent obstruction of the internal air-flow control orifices.
- Wiring: Use screened twisted-pair instrumentation cabling for the 4-20 mA loop. Terminate the screen at the control cabinet's common earth reference to maintain noise immunity.
- Environmental Shielding: While the unit is rated for harsh conditions, orient the cable glands facing downward to prevent moisture ingress. Verify that all housing bolts are tightened to specified torque values to maintain the IP protection rating.