ROC364 Instruction Manual
3-40 Input and Output Modules Rev Jun/05
3.7.10 Resistance Temperature Detector (RTD) Input Module
Resistance Temperature Detector (RTD) Input Module Specifications
FIELD WIRING TERMINALS
A: RTD “Red” Input.
B: RTD “White” Input.
C: RTD “White” Input (3- or 4-wire).
INPUT
RTD Type: 100 Ω, platinum, with a temperature
coefficient of 0.3850*, 0.3902, 0.3916, 0.3923, or
0.3926 Ω/°C.
Temperature Range: Fixed at –50 to 100°C
(–58 to 212°F).
Excitation Current: 0.8 mA.
Impedance: 4 MΩ minimum.
Filter: Single pole, low pass, 4 Hz corner
frequency.
RESOLUTION
12 bits.
ACCURACY
± 0.1% of Input Temp. Range at Operating Temp.
from 23 to 27°C (73 to 81°F).
± 0.45% of Input Temp. Range at Operating Temp.
from 0 to 70°C (32 to 158°F).
± 0.8% of Input Temp. Range at Operating Temp.
from –20 to 0°C (–4 to 32°F).
LINEARITY
± 0.03% ± 1 LSB independent conformity to a
straight line.
POWER REQUIREMENT
11 to 30 V dc, 38 mA maximum, supplied by ROC
power supply.
VIBRATION
20 Gs peak or 0.06 in. double amplitude,
10 to 2,000 Hz, per MIL-STD-202 method 204
condition F.
MECHANICAL SHOCK
1500 Gs 0.5 ms half sine per MIL-STD-202 method
213, condition F.
ENVIRONMENTAL
Meets the Environmental specifications of the ROC
in which the module is installed, including
Temperature and Humidity.
WEIGHT
37 g (1.3 oz).
CASE
Solvent-resistant thermoplastic polyester, meets
UL94V-0.
Dimensions are 15 mm D by 32 mm H by 43 mm
W (0.60 in. D by 1.265 in. H by 1.69 in. W), not
including pins.
APPROVALS
Approved by CSA for hazardous locations Class I,
Division 2, Groups A, B, C, and D.
* Available as an accessory.
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