Q68RD3-G Mitsubishi MELSEC-Q Series Temperature input

MPN: Q68RD3-G · Brand: Mitsubishi Electric (Factory Automation)

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12-month warranty (new) · 3-month (used/refurbished)

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Quick facts

Availability	Confirmed on request
Category	Mitsubishi MELSEC-Q Series – Analog
Lifecycle	Active mature
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can Q68RD3-G be shipped?

Q68RD3-G is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up Q68RD3-G in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for Q68RD3-G and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for Q68RD3-G, subject to availability and destination.

The Mitsubishi Electric Q68RD3-G is a temperature input in the MELSEC-Q Series. 8 channels, RTD (Pt100, JPt100, Ni100), conversion speed: 320 ms/8 channels, 40-pin connector, channel isolated. Mitsubishi Electric has announced its discontinuation (2029/09 To be end of order) — plan spares now; PartnerPLC also sources it on the surplus market after the end of order. Specifications and manuals below are Mitsubishi Electric's own data.

Specifications

Product

Series	MELSEC-Q Series
Category	Temperature input
Type	RTD input
Sales status	2029/09 To be end of order (Mitsubishi Electric)
Outline	8 channels, RTD (Pt100, JPt100, Ni100), conversion speed: 320 ms/8 channels, 40-pin connector, channel isolated

Specifications

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