Specifications

16-408 | OWNER’S GUIDE
EPAD2-V8-X and CPAD2-V8-X
Intelligent amplier with integrated 24-bit A/D conversion
8 input channels for voltages
Inputs isolated to 350 VDC
Modules daisy-chain together to add more and more channels
EPAD2 series uses RS485 interface
CPAD2 series uses CAN 2.0B interface
Specications
Parameter EPAD2-V8-x and CPAD2-V8-x
Input channels: 8 isolated voltage channels
Input ranges: Physical input range: ±50 V Software selectable: ±100 mV, ±500 mV, ±1 V, ±2.5 V, ±5 V, ±10 V
Sample rate: 12.5 S/s/ch maximum
-3 dB bandwidth: 6 Hz
ADC type:
Sigma delta ADC per channel, 24-bit
(Note: CPAD2 outputs CAN data at 16-bits)
Input connector:
Standard “mini” thermocouple connector, polarized, color coded
Type K: yellow
Type J: black
Type T: blue
Type U: white
Resolution: 1µV for all ranges
Input impedance: typically 1.4 MΩ
Bias current: typically 10 nA
Linearity: 0.001 %
DC accuracy: ±0.02 % of reading ±900 μV
Temperature drift: typically 25 ppm/°C
Isolation voltage: 350 VDC (channel to channel and channel to Bus, Power and Chassis)
Over-voltage protection: 15 VDC
CMRR @ 50/60 Hz: 130 dB
Interface:
EPAD2 series: RS485
CPAD2 series: CAN BUS 2.0B protocol
Read-out speed:
EPAD2 series: typ. 80 ch/sec.
CPAD2 series: 12.5Hz, 10Hz, 5Hz, 2Hz, 1Hz, 0.5Hz, 0.2Hz or 0.1 Hz programmable
Bus power connector: LEMO EGG.1B.304
Power supply voltage: 7 to 40V
Power consumption: 0.5 W maximum
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: 310 g typical