8 Channel RTD to Modbus RTU.

DAT10019

DAT10019 8 Channel RTD to Modbus RTU.
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8 Channel RTD to Modbus RTU DAT10019.

• Modbus RTU Slave.
• Modbus ASCII.
• 8 RTD, Resistance, input.
• RS485 Communication.
• 3 way Isolation.
General Description

The DAT10019 Modbus RTU Converter is an 8-channel input module designed to acquire RTD and resistance signals and transmit them over a Modbus RTU or Modbus ASCII network. It operates as a slave device, making sensor data directly available to PLCs, SCADA systems, and other Modbus masters.

Configuration is simple using DIP switches, which allow the user to set the Modbus address, baud rate, parity, and communication mode (RTU or ASCII). The DAT10019 supports 2-wire RTD sensors only, due to terminal space limitations.

The device provides 1500 Vac galvanic isolation between inputs, outputs, and power supply, ensuring safe operation and noise immunity in industrial environments. It operates from a 10–30 VDC power supply.

INPUT OUTPUT POWER SUPPLY
2 Wire RTD, Resistance. RS485 Power Supply Voltage 10-30Vdc
Reverse polarity protection 60Vdc
CURRENT CONSUMPTION CONFIGURATION ISOLATION
Between 35 and 45 mA PC Programmable Between Input/Comms/Power Supply 1500Vac.
DIP Switch Programmable
EMC HOUSING TEMPERATURE
For Industrial environments Material self-extinguishing Operating Temperature 14°F +140°F -10°C +60°C
Immunity EN 61000-6-2 Dimensions W x H x T 4.1/4" x 4 1/2" x 2 1/4" Storage Temperature -40°F +185°F-40°C +85°C
Emission EN 6100-6-4 106 x 112x x 57 mm Humidity (non condensing) 0-90%
Weight 7 oz 200 g

Specifications
Input:  
RTD 8 Channels Pt100, Pt1000, Ni100, Ni1000
Resistance 0-500 Ohm, 0-2000 Ohm.
Communication:  
RS485: Modbus RTU, Modbus ASCII.
Power Supply: 10 - 30 Vdc. Reverse polarity protection 60 Vdc.
Current Consumption: 30 mA to 45 mA.
Temperature rating: Operative Temperature 14°F +140°F, - 10°C +60°C Storage Temperature - 40°F +185°F, - 40°C +85°C.
Humidity: (not condensing) 0-90%.
Housing: Material self-extinguishing.
Dimensions: W x L x H 4 1/4X 4 1/2 X 2 1/4 inch, 106 x 112 x 57mm.
Weight: 7 oz 200 g.
EMC. For industrial environments.
Immunity: EN 61000-6-2.
Emission: EN 61000-6-4.
Isolation: Between Modbus Master, Input, Power supply 1500Vac, 50Hz, 1 Minute.
Configuration: PC Configurable, DIP Switch.
Drawings

Analog Inputs.

2 Wire RTD and Resistance Input 0 Sensor on GND and GEN0 and Compensation on GEN0
2 Wire RTD and Resistance Input 1 Sensor on GND and GEN1 and Compensation on GEN1
2 Wire RTD and Resistance Input 2 Sensor on GND and GEN2 and Compensation on GEN2
2 Wire RTD and Resistance Input 3 Sensor on GND and GEN3 and Compensation on GEN3
2 Wire RTD and Resistance Input 4 Sensor on GND and GEN4 and Compensation on GEN3
2 Wire RTD and Resistance Input 5 Sensor on GND and GEN5 and Compensation on GEN3
2 Wire RTD and Resistance Input 6 Sensor on GND and GEN6 and Compensation on GEN3
2 Wire RTD and Resistance Input 7 Sensor on GND and GEN7 and Compensation on GEN3
8 channel RTD input to Modbus RTU DAT10019 input wiring.

Power Supply

Power Supply (18-30Vdc). Positive V+ Negative V-.
RS 485 Slave Positive (D+)B Negative (D-) A GND C
Init Pin Init Ref
8 channel RTD input to Modbus RTU DAT10019 power supply.

Applications

Frequently Asked Questions about DAT10019

What is the DAT10019?
The DAT10019 is an 8-channel Modbus RTU/ASCII input module that converts RTD and resistance signals into Modbus data for PLCs, SCADA, and other Modbus masters.
What type of RTDs does it support?
The DAT10019 supports 2-wire RTD sensors due to terminal space limitations.
Can it also measure resistance?
Yes. In addition to RTDs, the DAT10019 can acquire resistive sensor inputs and convert them into Modbus RTU data.
How is the device configured?
Configuration is done using DIP switches to set Modbus address, baud rate, parity, and communication mode (RTU or ASCII).
Does the device provide isolation?
Yes. It provides 1500 Vac galvanic isolation between input, output, and power supply.
What power supply does it require?
The device operates from a 10–30 VDC power supply, compatible with common industrial systems.
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