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EM AR02 Thermocouple module

2-channel RTD module, resolution 16 bits

Model no

EM AR02

Article No

H7 288-3AR02-0AA0

Description

2-channel RTD module, resolution 16 bits

Dimensions WxHxD(mm)

47×100×81mm

Product parameters Wiring diagram Relevant information
Specification parameters Model no

EM AR02

Article No H7 288-3AR02-0AA0
Description 2-channel RTD module, resolution 16 bits
Conventional norm

Dimensions WxHxD(mm)

47×100×81mm
Power Consumption 1.5W
Current Consumption(SM bus) 120mA
Current Consumption(24V DC) 40mA
Analog Input

Number of Inputs

2
Range
Rated Range (Data word)
Overshoot/Undershoot Range (Data word)
Overflow/underflow (Data word)
Please refer to the thermocouple selection table
Measuring Principle Sigma-Delta
Resolution
.Temperature 0.1°C / 0.1°F
.Voltage 15 bits+ symbol bits
Max. Voltage Resistance ±35V
Isolation
.Field side and logic side 500V AC
.Field side and 24V DC side 500V AC
.24V DC side and Logic side 500V AC
Channel to channel Isolation -
Common mode Rejection >120dB
Repeatability ±0.05%FS
Max Power Consumption of the Sensor  0.5mW
Cable Loop Resistance (Max) 20Ω, for Cu10, the maximum is 2.7Ω
Diagnosis Overflow/ underflow, circuit break, 24V DC low voltage
Cable Length 100m, shielded twisted pair
Rejection Frequency Selection 400Hz(2.5ms)
60Hz(16.6ms)
50Hz(20ms)
10Hz(100ms)
Remark: When selecting 400Hz filter, and maintaining the resolution and accuracy of the module, the integration time should be 10ms. Meanwhile this selection will also suppress noise at frequency of 100Hz and 200Hz.
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