ABB V18345-1020521001 Digital Positioner TZIDC Smart Valve Positioners

ABB V18345-1020521001 Digital Positioner TZIDC Smart Valve Positioners

Description

The ABB V18345 series, part of ABB's TZIDC line of smart valve positioners, is designed for Industrial Automation control of pneumatic valves. These devices use advanced microprocessor technology to achieve precise valve position control, ensuring system stability and reliability. With a rugged aluminum case and IP65/NEMA4X protection, they are suitable for harsh industrial environments. The V18345 features a 4-20mA two-wire input signal and can be installed on both linear and rotary actuators. Its key technical features include a 20-150mm stroke range for linear actuators and up to 125 degrees for rotary actuators, with an air capacity of ≥13.5 kg/h and air consumption of ≤0.03 kg/h. It can operate in a wide temperature range of -40°C to +85°C and has excellent vibration resistance of up to 10g and 80Hz. The device supports communication protocols like HART and Profibus/FF, enabling real-time connection between the field and control room for parameter adjustment and status monitoring. Its automatic zero/ span adjustment simplifies debugging. The V18345 also has a built-in operation keyboard with an LCD display and three keys for on-site configuration, debugging, and monitoring. It can work without external power and can communicate via an RS232 interface and LKS adapter or modulated communication on a 4-20mA signal. Different models of the V18345 series cater to various application scenarios, such as the V18345-1010521001, which is suitable for harsh working environments, and the V18345-1010221001, which offers higher precision and faster response for quick regulation needs.

Application

The ABB V18345 series valve positioner is widely used in industries such as oil, gas, chemicals, power, metallurgy, papermaking, and water treatment. As a high-precision control device, it is essential for various pneumatic actuators. In oil refining and natural gas processing plants, it controls valve openings to regulate flow and pressure. In chemical reactors and pipeline systems, it precisely controls fluid flow. In power plants, it manages steam valves and water valves. Its flexible design allows installation on both linear and rotary actuators. It supports split-body installation, enhancing vibration resistance up to 2g at 300Hz. The V18345 series also provides functions like dead band retention and position feedback options. Its wide temperature range adaptability makes it suitable for different climate conditions. The device can be easily integrated into existing industrial networks due to its support for multiple communication protocols, allowing for remote monitoring and diagnostics. This significantly improves maintenance efficiency and reduces downtime. Its self-diagnostic capabilities help detect potential issues in a timely manner, preventing failures. The V18345 series valve positioner, with its excellent control performance and reliable operation, has become a preferred choice in the industrial automation field, helping enterprises enhance product quality, reduce production costs, and improve overall operational efficiency.

Feature

The ABB V18345 series valve positioner has several distinctive features. Its core component is the TEIP11, combined with microprocessor technology. The input signal and position feedback undergo 4000-step, 12-bit, 20ms A/D conversion processing by the microprocessor-controlled CPU. The CPU's power is derived from the input signal. The positioning electrical signal from the CPU is proportionally converted into a pneumatic signal by the I/P module, controlling the pneumatic actuator. The V18345 series valve positioner uses a 3/3-way pneumatic solenoid valve. The electrical control signal from the CPU is proportionally converted into a pneumatic signal, which in turn proportionally controls the 3/3-way pneumatic solenoid valve. When the set positioning value is reached, the 3/3-way pneumatic solenoid valve closes in the middle position. The V18345 series valve positioner also has an optional digital position feedback mechanical kit and supports different connection possibilities, such as M20 x 1.5 / 1/4 NPT, 1/2 NPT / 1/4 NPT, and M20 x 1.5 / G1 / 4. It offers various communication protocols, including HART 5, HART 7, PROFIBUS PA, and Foundation Fieldbus, as well as a local interface. Even when operating outside the signal range, it can maintain strong performance through shear functionality. Its control parameters automatically optimize during operation, achieving precise positioning regardless of installation method. The V18345 series valve positioner can be bolted to a lever or valve stem. Even if new automatic tuning is required after installation, the existing dead band can be retained. It provides different force-setting/resetting bank options for the EM area. Its index registers are special registers for storing PLC memory addresses for indirect addressing. These index registers can be set to be unique in each task or shared across all tasks. The V18345 series valve positioner can operate in PROGRAM mode, where programs are not executed, but preparations can be carried out prior to program execution; MONITOR mode, where programs are executed, and some operations like online editing and changes to input/output memory values are enabled; and RUN mode, where programs are executed, which is the normal operating mode.

ABB Digital Positioner TZIDC:

V18345-1010521001

V18345-1010121001

V18345-1010221001

V18345-1010421001

V18345-1010551001

V18345-1010461001

V18345-2020450001

V18345-1020521001

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