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EPAD2/CPAD2/CPAD3 series modules • Technical Reference Manual • Printing version 1.0.2 • October 04, 2016
CPAD3-TH8-x Module
CPAD3-TH8-x
Input channels 8 isolated Thermocouple Channels
Input signals
CPAD3-TH8-x
CPAD3-TH8-UNIVERSAL
Thermocouple type K, J, T (others on request)
Thermocouple type K, J, T, R, S, N, E, C, U, B
Sampling rate max. 100 S/sec per channel
Bandwidth (-3 dB) 48 Hz
ADC type 20 Bit Delta Sigma Converter
Input connector
mini Thermocouple connector
Resolution 0.01 °C for all types
Input impedance >1 MΩ
Bias current
<1 nA
Open thermocouple detection module indicates fullscale if input is open
Accuracy*
Standard models CPAD3-TH8-K /-J / -T
Type K (-270 to 1372 °C):
Type J (-210 to 1200 °C):
Type T (-270 to 400 °C):
±1.0 °C @ -200 to -25 °C ±0.4 °C @ -25 to 1000 °C ±0.5 °C @ 1000 to 1372 °C
±1.0 °C @ -210 to -100 °C ±0.3 °C @ -100 to 760 °C ±0.4 °C @ 760 to 1200 °C
±1.0 °C @ -250 to -150 °C ±0.4 °C @ -150 to 400 °C
Special models on request CPAD3-TH8-x
Type R, S (-50 to 1760 °C):
Type N (-270 to 1300 °C):
Type E (-270 to 1000 °C):
Type C (0 to 2300 °C):
Type U (-200 to 600 °C):
Type B (0 to 1820 °C):
*)
+1.0 °C when using CPAD3-TH8-UNIVERSAL
±1.6 °C @ -50 to 0 °C ±1.0 °C @ 0 to 100 °C ±0.4 °C @ 100 to 1760 °C
±1.2 °C @ -200 to -100 °C ±0.5 °C @ -100 to 1300 °C
±1.0 °C @ -200 to -50 °C ±0.4 °C @ -50 to 1000 °C
±0.6 °C @ 0 to 800 °C ±0.8 °C @ -800 to 1500 °C ±1.5 °C @ 1500 to 2300 °C
±1.0 °C @ -200 to -50 °C ±0.4 °C @ -50 to 200 °C ±0.3 °C @ 200 to 600 °C
±20 °C @ 0 to 400 °C ±0.6 °C @ 400 to 1000 °C ±0.5 °C @ 1000 to 1800 °C
Max. gain drift 25 ppm /°C
Max. offset drift 25 ppm of range /°C
Isolation voltage 1500 V
DC
(channel to channel and channel to Bus, Power and Chassis)
Overvoltage protection 50 V
DC
CMRR (50/60 Hz) @ 0.01 to 10 S/sec >110 dB
CPAD3-TH8
Interface highspeed CAN
Speci cation CAN 2.0B
Communication speed 50 kBaud to 1000 kBaud
Data Format 16 Bit Intel or Motorola
Identi er Types standard; extended
Standard settings 500 kBaud; Intel Format
Readout speed 100 Hz, 50 Hz, 20 Hz, 10 Hz, 5 Hz, 2 Hz, 1 Hz, 0.5 Hz, 0.2 Hz or 0.1 Hz, 0.05 Hz,
0.02 Hz, 0.01 Hz, programmable
Bus/Power Connector
LEMO EGG.1B.304
Power Supply Voltage
7 to 40V
Power consumption
1 W
Dimensions
Base module (W x D x H)
Mounting holes distance:
129 x 72 x 34.2 mm (5.1 x 2.8 x 1.3 in.) incl. mounting holes
119 x 7 mm (4.7 x 0.3 in.), 4.2 mm (0.165 in.) diameter
Weight
typically 405 g (~0.9 lbs)
8 channel thermocouple amplier
Intelligent amplier with integrated A/D conversion
8 input channels for thermocouples
Available thermocouple types:
xPAD2-TH8-x: K, J, T standard type
xPAD2-TH8-UNIVERSAL: Universal type
Standard CAN interface
Module specications