Dewetron EPAD2 Series User Manual

23
EPAD2/CPAD2/CPAD3 series modules • Technical Reference Manual • Printing version 1.0.2 • October 04, 2016
CPAD3-V8 Module
8 channel voltage amplier
Intelligent amplier with integrated 20-bit A/D conversion
8 channel isolated data acquisition
Standard CAN interface
Module specications
CPAD3-V8
Input channels 8 isolated voltage input channels
Input ranges Physical input range: ±50 V
Software selectable: ±100 mV, ±500 mV, ±1 V, ±2.5 V, ±5 V, ±10 V
Resolution 100 µV for all ranges
DC accuracy ±0.02 % of reading ±900 µV
Max. gain drift 20 ppm/°C
Max. offset drift 20 ppm of range /°C
Linearity
0.002 %
Input impedance 0.97 MΩ
Input connector SUB-D 25
Sampling rate
max. 100 S/sec per channel
Bandwidth (-3 dB) 48 Hz
ADC Type 20 bit Delta Sigma Converter
Isolation voltage 1500 V
DC
(channel to channel and channel to Bus, Power and Chassis)
Overvoltage protection
350 V
DC
CMRR (50/60 Hz) @ 0.01 to 10 S/sec 110 dB (130 dB @ DC)
CPAD3-V8
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 310 g (~0.7 lbs)

Dewetron EPAD2 Series Specifications

General

Brand	Dewetron
Model	EPAD2 Series
Category	Control Unit
Language	English