Dual Channel RTD Pt100 Temperature converter.

DAT2166

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Dual Channel RTD Temperature converter DAT2166.
• Dual RTD Temperature converter.
• DIP Switch Programmable.
• DIN Rail Mounted.
• Isolation between Channels.
General Description

The DAT2166 Dual Channel Pt100 Temperature Converter is a DIN rail mount signal conditioner that accepts two independent Pt100 RTD inputs and converts each to a separately configurable voltage or current output. Unlike loop-powered transmitters, the DAT2166 is externally powered, making it ideal when a PLC/DAQ requires 0–10 V or 4–20 mA signals from two sensors in one compact module.

Each channel is set via DIP switches for coarse range/zero, with fine output trim available using top-mounted potentiometers. The DAT2166 supports 2-wire and 3-wire Pt100 RTDs and delivers stable conversion with ±0.1% full-scale accuracy and < 0.02%/°F thermal drift.

For reliable operation in industrial environments, the two channels are isolated from each other up to 1000 V, reducing ground-loop issues in multi-sensor systems. The device is housed in a slim 12.5 mm DIN rail enclosure (EN-50022 / EN-50035) and meets EMC directive 89/336/CEE.

Choose the DAT2166 when you need a dual-channel RTD converter with the flexibility of current or voltage outputs and channel-to-channel isolation — all in a space-saving form factor.

INPUT OUTPUT POWER SUPPLY
2 x RTD Pt100. 2 wire RTD's and 3 Wire RTD's. 2 x Current 4-20 mA Power Supply Voltage 10-30Vdc
2 x 0-10 V Reverse polarity protection 60Vdc
CURRENT CONSUMPTION CONFIGURATION ISOLATION
Between 10 and 40 mA DIP Switch Programmable None
EMC HOUSING TEMPERATURE
For Industrial environments Material self-extinguishing Operating Temperature -4°F +158°F -20°C +70°C
Immunity EN 61000-6-2 Dimensions W x H x T 3 1/2" x 4 1/2" x 1/2 " Storage Temperature -40°F +185°F-40°C +85°C
Emission EN 6100-6-4 90 x 112x x 12.5 mm Humidity (non condensing) 0-90%
Weight 3 oz 90 g
DAT2166 Datasheet
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Applications
Drawings
Din Rail Temperature Transmitters

Specifications

Input: RTD Pt100. See Data sheet for range.
Output: 4-20mA, 0-20mA, 0-10V, 2-10V.
Power Supply: 18 to 30 Vdc
Temperature rating: Operative -4°F +158°F -20°C +70°C
  Temperature Storage Temperature -40°F +185°F -40°C +85°C.
Humidity: (non condensing) 0-90%.
Housing: Material self-extinguishing.
Dimensions: W x L x H inch 3 1/2 x 4 1/2 x 1/2, mm 90 x 112 x 12.5.
Weight: 3 oz 90 g.
EMC. For industrial environments.
  Immunity: EN 61000-6-2.
  Emission: EN 61000-6-4.
Configuration: DIP Switch Configurable
Drawings

DAT2166 Wiring Diagram

Input Channel 1  
RTD 2 wire Terminals G and L Short I
RTD 3 wire Terminals G and L Compensation I
Input Channel 2  
RTD 2 wire Terminals H and F Short E
RTD 3 wire Terminals H and F Compensation E
Output Channel 1  
Voltage Positive +V P Negative -V M
Current Positive +V P Negative -V M
Output Channel 2  
Voltage Positive +V O Negative -V Q
Current Positive +V O Negative -V Q
Power supply  
Channel 1 Positive +V N Negative -V M
Channel 2 Positive +V R Negative -V Q
Dual Channel RTD Temperature converter DAT2166.
Applications

Custom products

What is a DAT 2166 71013?
The DAT 22166 71013 is a dual RTD temperature converter with two Pt100 inputs and two 0-5 Vdc outputs.
What is a DAT 2166 180314?
The DAT 22166 180314 is a dual RTD temperature converter with a fixed input of a 0-800°C and two 0-10 Vdc outputs.

Frequently Asked Questions – DAT2166

How is the DAT2166 different from the DAT2066?
Both are dual-channel Pt100 devices, but the DAT2066 is loop-powered with two 4–20 mA outputs only. The DAT2166 is externally powered and provides voltage or current outputs per channel.
What outputs can I select?
Each channel can be configured for a current output (e.g., 4–20 mA) or a voltage output (e.g., 0–10 V), depending on the PLC/DAQ requirements.
What RTD wiring does it support?
Pt100 RTDs in 2-wire and 3-wire configurations.
Is there isolation between the two channels?
Yes. The channels are isolated from each other up to 1000 V to help eliminate ground loops. (Isolation to power/output follows the product datasheet specifics.)
How do I configure ranges?
Use the DIP switches for coarse span/zero, then fine-tune each channel with the top-mounted potentiometers while staying within the datasheet limits.
What accuracy and stability should I expect?
±0.1% full-scale accuracy with thermal drift < 0.02%/°F.
What standards and mechanicals apply?
12.5 mm plastic enclosure for EN-50022 / EN-50035 DIN rails; EMC per 89/336/CEE.
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