WT205V Bachmann 8-Channel Analog Output Control Panel

Overview

The Bachmann WT205V is an 8-channel analog output control panel engineered for precision control and signal transmission in process automation systems. It provides reliable communication between DeltaV distributed control systems and 4–20 mA HART-compatible field devices. Designed for industrial environments, the module delivers stable performance under harsh operating conditions, ensuring consistent and accurate signal output for field instrumentation.

Key Features

• Model Number: WT205V

• Manufacturer: Bachmann

• Type: 8-Channel Analog Output Control Panel

• Output Function: Provides analog current output for process control (4–20 mA, HART supported)

• System Compatibility: Designed for seamless integration with DeltaV and other control platforms

• Channels: 8 individually isolated analog output channels

• Power Type: Local bus and bussed field power inputs

• Build Quality: Industrial-grade design for extended operational reliability

Power Specifications

• Local Bus Power: 12 VDC at 150 mA

• Bussed Field Power: 24 VDC at 300 mA

• Field Circuit Power: 24 VDC at 23 mA per channel

• Isolation: High-level electrical isolation between control and field sides for noise protection

• Power Input Range: 18–30 VDC nominal

Environmental Specifications

• Operating Temperature: -40°C to +70°C

• Storage Temperature: -40°C to +85°C

• Relative Humidity: 5% to 95% non-condensing

• Vibration Resistance: 1 mm peak-to-peak, 2–13.2 Hz; 0.7 g, 13.2–150 Hz

• Shock Resistance: 10 g, half-sine wave, 11 ms duration

• Airborne Contaminants: ISA-S71.04–1985 Class G3 compliant for industrial air quality

• Pollution Degree: 2 (non-condensing operation)

Performance and Design

The WT205V delivers high signal stability and low noise for analog output applications. Its 8-channel configuration enables scalable signal output for multi-loop process systems. The module’s robust electrical isolation, wide operating temperature range, and vibration resistance make it ideal for continuous use in control cabinets, field enclosures, or distributed I/O installations.

Applications

The WT205V is suitable for a variety of industrial applications, including:

• Distributed control system (DCS) output modules

• Analog signal generation for process instrumentation

• Control of HART-enabled field devices

• Factory automation and manufacturing control panels

• Power generation and oil & gas process systems

FAQ

Q1: What communication protocol does the WT205V support?
A1: The module supports standard 4–20 mA output with integrated HART communication.

Q2: Is the WT205V compatible with DeltaV systems?
A2: Yes, it is specifically designed for integration with DeltaV DCS architectures.

Q3: What is the operating voltage for the field power circuit?
A3: The field circuit operates at 24 VDC, with 23 mA per channel.

Q4: Can the WT205V operate in harsh industrial environments?
A4: Yes, it is built to withstand temperatures from -40°C to +70°C and vibration levels up to 0.7 g.