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