Mitsubishi Electric MELSEC-A/QnA Series Handbook page 205

4
TEMPERATURE INPUT MODULE REPLACEMENT
Value up to the first decimal place × 10
32-bit signed binary data
Value up to the third decimal place × 1000
(JIS C 1604-1997, IEC751 1983)
Isolated area
Between RTD input
Photocoupler
and programmable
controller power supply
Between RTD Transformer
input and channel
(I/O assignment: intelligent 16 points)
18-point terminal block
(Sleeved solderless terminal cannot be used.)
*1 Indicates accuracy of the Q64RD-G (accuracy at the maximum value in the selection range).
Reference accuracy
Pt100/JPt100 (-20 to 120°C)
Pt100/JPt100 (0 to 200°C)
Temperature coefficient
Pt100/JPt100 (-200 to 850°C)
Ni100(-60 to 180°C)
Q64RD-G
3/4-wire type
16-bit signed binary
-2000 to 8500
-200000 to 850000
Pt100
JPt100
(JIS C 1604-1981)
Ni100
(DIN 43760 1987)
-200 to 850°C
-180 to 600°C
-60 to 180°C
*1
0.025°C
40ms/channel
4 channels/module
1mA
Isolation Dielectric withstand
method voltage
1780VrmsAC/3 cycles
isolation (altitude 2000m)
-
isolation
Detected per channel
16 points
2
0.3 to 0.75mm
1.25-3 R1.25-3
Accuracy
: Compatible,
Compatibility
Insulation
resistance
10M or
more using
500VDC
insulation
resistance
tester
×
×
×
±70ppm/°C (±0.0070%/°C)
±65ppm/°C (±0.0065%/°C)
±50ppm/°C (±0.0050%/°C)
±70ppm/°C (±0.0070%/°C)
: Partial change required, ×: Incompatible
Precautions for replacement
As the compliance standards for the
applicable RTD differ, change the
RTD to the one that can be used with
the Q64RD-G.
Consider replacement with multiple
Q64RD-G.
The number of occupied I/O points
has changed to 16 points.
Wiring change is required.
Specifications
Within 0.04%
4
- 62