ABB T703-2000 DC input isolated 2-wire transmitter

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Product Overview

The ABB T703-2000 DC Input Isolated 2-Wire Transmitter is a high-precision signal transmitter for industrial automation systems, converting DC input signals (such as 4–20 mA or 0–10 V) into standard output signals with isolation, using a two-wire power supply.
It features high accuracy, stability, strong interference immunity, and low power consumption, widely used in process control, PLC systems, DCS systems, and field instrument signal acquisition and transmission.

Technical Specifications

Model: T703-2000
Module Type: DC Input Isolated 2-Wire Transmitter
Input Signal Type: DC current 4–20 mA / DC voltage 0–10 V (selectable)
Output Signal Type: DC current 4–20 mA (2-wire)
Power Supply: 2-wire
Isolation Voltage: 1500 V AC (input-output-power)
Accuracy: ±0.1% FS
Response Time: ≤200 ms
Load Capacity: ≤500 Ω
Operating Temperature: -20°C to +70°C
Storage Temperature: -40°C to +85°C
Humidity: 5%–95%, non-condensing
Protection Rating: IP65 (front panel)
Mounting: DIN rail or panel mounting
Dimensions: approx. 115 × 22.5 × 120 mm
Weight: approx. 0.2 kg
Certifications: CE / UL / RoHS

Features & Advantages

1. High-Precision Isolated Conversion – ±0.1% FS accuracy ensures stable and reliable measurement and output.

2. Input/Output Isolation – 1500 V AC isolation enhances safety and interference immunity.

3. Two-Wire Power Supply – Reduces wiring cost and is suitable for long-distance signal transmission.

4. Low Power Design – Suitable for continuous operation and energy-saving applications.

5. Industrial Protection – IP65 front panel rating suitable for harsh industrial environments.

6. Easy Installation & Maintenance – DIN rail or panel mounting, easy to replace.

Applications

• Signal acquisition for PLC and DCS systems

• Industrial automation process control

• Isolation and transmission of industrial sensor signals

• Motor drive and servo system signal interface

• Energy management and remote monitoring systems

• Factory automation and production line control

Precautions

1. Disconnect power before installation or maintenance to ensure safety.

2. Ensure input signals match the transmitter specifications to avoid damage.

3. Use shielded cables for signal connections to reduce electromagnetic interference.

4. Avoid operation in high humidity, dust, or strong EMI environments.

5. Regularly check terminal connections and module status.

6. Use genuine ABB modules to ensure compatibility and long-term reliable operation.

The structure and details of the product：

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