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Q68RD3-G Mitsubishi Universal Model Redundant Power Supply Module
Q68RD3-G Mitsubishi Universal Model Redundant Power Supply Module
Specifications
Brand Name :
MITSUBISHI
Model Number :
Q68RD3-G
Place of Origin :
Japan
MOQ :
1
Price :
Negotiations
Delivery Time :
5-8 working days
Packaging Details :
New original box
Program Capacity :
8 K Steps
Basic Operation Processing Speed (LD Instruction) :
0.12 μs
Input :
100 To 240 V AC
Output :
5 V DC/3 A
Description

Q68RD3-G Mitsubishi Universal model Redundant Power Supply Module



Q68RD3-G Description

The ​​Mitsubishi Q68RD3-G​​ is an ​​8-channel isolated RTD (Resistance Temperature Detector) input module​​ designed for the MELSEC-Q series PLC system. It enables high-precision temperature measurement and is compatible with RTD sensors such as Pt100, JPt100, and Ni100. This module is engineered for industrial automation applications where reliable temperature monitoring is critical, such as in process control, HVAC systems, and manufacturing equipment. It features channel-to-channel isolation to minimize interference and supports fast, accurate data conversion for real-time control .

Q68RD3-G Key Features

  • •
    ​​Multi-Channel Input​​: Supports ​​8 independent RTD input channels​​, allowing simultaneous temperature monitoring from multiple points .
  • •
    ​​High Compatibility​​: Works with widely used RTD types, including ​​Pt100, JPt100, and Ni100​​, covering a broad temperature range .
  • •
    ​​Isolated Design​​: Each channel is electrically isolated to prevent cross-talk and ensure signal integrity in noisy industrial environments .
  • •
    ​​High Resolution​​: Offers precise temperature measurement with a resolution of ​​0.1°C​​, ideal for applications requiring fine accuracy .
  • •
    ​​Diagnostic Capabilities​​: Includes wire break detection for each channel, facilitating quick troubleshooting and maintenance .
  • •
    ​​Fast Conversion Speed​​: Converts all 8 channels within ​​320 ms​​, suitable for real-time control systems.
  • •
    ​​Easy Integration​​: Designed for seamless installation into MELSEC-Q series PLC racks, with simple configuration via PLC programming tools
  • •
    ​​Robust Construction​​: Housed in an ​​aluminum alloy​​ casing, providing durability and protection against harsh conditions .

Q68RD3-G Material & Applications

  • •
    ​​Material​​: The module is constructed with an ​​aluminum alloy​​ housing, ensuring lightweight yet robust protection against dust, vibration, and electromagnetic interference commonly found in industrial settings
  • •
    ​​Primary Applications​​:
    • •
      ​​Industrial Process Control​​: Monitoring temperature in chemical, pharmaceutical, or food processing industries.
    • •
      ​​HVAC Systems​​: Integrating into building automation for energy management and climate control.
    • •
      ​​Manufacturing Automation​​: Used in machinery and production lines to prevent overheating and ensure operational safety.
    • •
      ​​Data Acquisition Systems​​: Coupled with SCADA or PLCs for logging and analyzing temperature trends over time .

Q68RD3-G Key Parameters Table

Below are the essential technical specifications of the Q68RD3-G module:
Parameter
Specification
​​Number of Channels​​
8
​​Supported RTD Types​​
Pt100, JPt100, Ni100
​​Temperature Range​​
Varies by sensor (e.g., Pt100: -200°C to 850°C)
​​Resolution​​
0.1°C
​​Conversion Speed​​
320 ms (for all 8 channels)
​​Isolation​​
Channel-to-channel isolation
​​Input Current​​
≤1.0 mA (typical)
​​Connector Type​​
40-pin (e.g., A6CON4)
​​Power Supply​​
5 V DC (from PLC base unit)
​​Power Consumption​​
0.54 A (at 5 V DC)
​​Dimensions (H × W × D)​​
102 mm × 27.4 mm × 130 mm
​​Weight​​
0.20 kg
​​Compatible PLC Series​​
MELSEC-Q series

Performance specifications

Number of analog input points
Number of channels
Digital output Temperature measured value
Scaling value
Applicable resistance temperature detector
Measured temperature range Pt100
JPt100
Ni100
Temperature detecting output current
Resolution
Accuracy
Conversion accuracy Pt100 -200...850 ﾟC
-20...120 ﾟC
0...200 ﾟC
JPt100 -180...600 ﾟC
-20...120 ﾟC
0...200 ﾟC
Ni100 -60...180 ﾟC
Conversion speed
Disconnection detection
Isolation method
Dielectric withstand voltage
Insulation resistance
External interface
Applicable connector
Number of occupied I/O points
Internal current consumption (5 V DC)
External dimensions Height
Width
Depth
Weight
8 points (8 channels)
8 channels
16-bit signed binary value (-2000...8500)
16-bit signed binary value
Pt100, JPt100, Ni100
-200...850 ˚C
-180...600 ˚C
-60...180 ˚C
1.0 mA or less
0.1 ˚C
Accuracy (ﾟC) = (Conversion accuracy) + (Allowable difference of resistance temperature detector used)
±0.8 ˚C (ambient temperature: 25±5 ﾟC),
±2.4 ˚C (ambient temperature: 0...55 ﾟC)
±0.3 ˚C (ambient temperature: 25±5 ﾟC),
±1.1 ˚C (ambient temperature: 0...55 ﾟC)
±0.4 ˚C (ambient temperature: 25±5 ﾟC),
±1.2 ˚C (ambient temperature: 0...55 ﾟC)
±0.8 ˚C (ambient temperature: 25±5 ﾟC),
±2.4 ˚C (ambient temperature: 0...55 ﾟC)
±0.3 ˚C (ambient temperature: 25±5 ﾟC),
±1.1 ˚C (ambient temperature: 0...55 ﾟC)
±0.4 ˚C (ambient temperature: 25±5 ﾟC),
±1.2 ˚C (ambient temperature: 0...55 ﾟC)
±0.4 ˚C (Ambient temperature: 25±5 ﾟC),
±1.2 ˚C (Ambient temperature: 0...55 ﾟC)
320 ms/8 channels
Available (each channel independent)
Between RTD input and programmable controller power supply, between RTD input channels: transformer isolation
Between RTD input and programmable controller power supply: 500 V AC rms for 1 minute
Between RTD input channels: 1000 V AC rms for 1 minute
Between RTD input and programmable controller power supply, between RTD input channels: 500 V DC, 10 MΩ or higher
40-pin connector
A6CON1, A6CON2, A6CON4 (sold separately)
16 points (I/O assignment: Intelligent 16 points)
0.54 A
102 mm
27.4 mm
130 mm
0.20 kg


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Q68RD3-G Mitsubishi Universal Model Redundant Power Supply Module

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Product Detail
Brand Name :
MITSUBISHI
Model Number :
Q68RD3-G
Place of Origin :
Japan
MOQ :
1
Price :
Negotiations
Delivery Time :
5-8 working days
Contact Supplier
Q68RD3-G Mitsubishi Universal Model Redundant Power Supply Module

Hontai Machinery and equipment (HK) Co. ltd

Verified Supplier
14 Years
guangdong, shenzhen
Since 2000
Business Type :
Exporter, Trading Company, Seller
Main Products :
Electric Valve Actuator, Power Station Valve, Electronic Control Relay
Total Annual :
3 Million-4 Million
Certification Level :
Verified Supplier
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