Mitsubishi Electric MELSEC-A/QnA Series User Manual

4 TEMPERATURE INPUT MODULE REPLACEMENT
4 - 23
4.4.1 Performance comparison
4.4 A68RD3N (Replacement to the Q64RD)
Item A68RD3N
Measuring method 3-wire type
Output (temperature
conversion value)
16-bit signed binary
-1800 to 6000
Value up to the first decimal place × 10
32-bit signed binary
-180000 to 600000
Value up to the third decimal place × 1000
Applicable platinum RTD
Pt100
(JIS C1604-1997, IEC 751-am2, JIS C1604-1989, DIN 43760-1980)
JPt100
(JIS C1604-1981)
Measured
temperature
range
Pt100
-180 to 600°C
(27.10 to 313.71)
JPt100
-180 to 600°C
(25.80 to 317.28)
Accuracy
±1%
(accuracy at full scale)
Resolution 0.025°C
Conversion speed 40ms/channel
Number of analog input points 8 channels/module
Output current for temperature
detection
1mA
Isolation method
Between platinum RTD input and programmable controller power supply: photocoupler isolation
Between platinum RTD input and channel: non-isolation
Dielectric withstand voltage Between platinum RTD input and programmable controller power supply: 500VAC, for 1 minute
Disconnection detection Detected per channel
Number of occupied I/O points
32 points
(I/O assignment: special 32 points)
External connection system 38-point terminal block
Applicable wire size
0.75 to 2mm
2
Applicable solderless terminal V1.25-3, V1.25-YS3A, V2-S3, V2-YS3A

Mitsubishi Electric MELSEC-A/QnA Series Specifications

General

Brand	Mitsubishi Electric
Model	MELSEC-A/QnA Series
Category	Controller
Language	English