Mitsubishi Electric Q66AD-DG

Technical specifications

Manufacturer

Mitsubishi Electric

Manufacturer part no.

Q66AD-DG

Type

Analog input module

Application

I/O module

Used with

MELSEC-Q base units

Number of analog input points

6 points (6 channels)

Analog input, Current

With 2-wire transmitter: 4...20 mA DC (input resistance 250 Ω); Without 2-wire transmitter: 0...20 mA DC (input resistance 250 Ω)

Power supply part for 2-wire transmitter, Supply voltage

26 ±2 V DC

Power supply part for 2-wire transmitter, Maximum supply current

24 mA DC

Power supply part for 2-wire transmitter, Short-circuit protection

Available; Limit current: 25...35 mA

Power supply part for 2-wire transmitter, Check terminals

Available

Digital output,

Normal resolution mode: -96...+4095; High resolution mode: -288...+12287; (When the scaling function is used: -32768...32767)

I/O characteristics, resolution, Input range

Digital output value (resolution)

I/O characteristics, resolution, Current input, 0...20 mA

Normal resolution mode: 0...4000 (5 µA); High resolution mode: 0...12000 (1.66 µA)

I/O characteristics, resolution, Current input, 4...20 mA

Normal resolution mode: 0...4000 (4 µA); High resolution mode: 0...12000 (1.33 µA)

I/O characteristics, resolution, Current input, 4...20 mA (extended mode)

Normal resolution mode: -1000...4500 (4 µA); High resolution mode: -3000...13500 (1.33 µA)

I/O characteristics, resolution, Current input, User range setting

Normal resolution mode: 0...4000 (1.37 µA); High resolution mode: 0...12000 (1.33 µA)

Accuracy (accuracy relative to maximum value of the digital output value), Reference accuracy

±0.1 %

Accuracy (accuracy relative to maximum value of the digital output value), Temperature coefficient

±71.4 ppm/˚C (0.00714 %/˚C)

Sampling cycle

10 ms/1 channel

Response time

20 ms

Absolute maximum input, Current

±30 mA

Isolation method

Between I/O terminals and programmable controller power supply, between analog input channels, between external power supply and analog input: Transformer

Dielectric withstand voltage

Between I/O terminals and programmable controller power supply: 500 V AC rms for 1 minute; Between analog input channels: 1000 V AC rms for 1 minute; Between external power supply and analog input: 500 V AC rms for 1 minute

Insulation resistance

Between I/O terminals and programmable controller power supply, between analog input channels, between external power supply and analog input: 500 V DC, 10 MΩ or higher

External power supply, Voltage

24 V DC (+20/-15 %, ripple, spike 500 mVp-p or lower)

External power supply, Current

0.36 A (inrush current: 5.0 A, 550 µs or lower)

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)

Technical documents (1)

• Mitsubishi Electric specification database, Q66AD-DG

Key features

• Number of analog input points: 6 points (6 channels)
• Power supply part for 2-wire transmitter, Supply voltage: 26 ±2 V DC
• Power supply part for 2-wire transmitter, Maximum supply current: 24 mA DC
• Power supply part for 2-wire transmitter, Short-circuit protection: Available; Limit current: 25...35 mA
• Power supply part for 2-wire transmitter, Check terminals: Available

About the Mitsubishi Electric Q66AD-DG

The Mitsubishi Electric Q66AD-DG is a MELSEC-Q analogue input module. Mitsubishi Electric's overview: 6 channels, input: 0...20 mA, 4...20 mA, output (resolution): 0...4000, 0...12000, conversion speed: 10 ms/channel, 40-pin connector, channel isolated, power supply to 2-wire transmitter. Mitsubishi Electric names the R60AD6-DG as its replacement model.

What is the Q66AD-DG used for?

The Q66AD-DG mounts on a MELSEC-Q base unit and connects field signals to the CPU, which reads or writes them each cycle.

Lifecycle and successor

Phased out.

OEM successor: R60AD6-DG

Before you order

What to photograph or confirm so the right unit is quoted.

Check the model name Q66AD-DG on the rating plate, with the serial number and function version. Send us a photo of the rating plate and we will confirm the details before quoting.