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Rugged Channel Expansions

Multi-channel A/D converters with CAN or RS485 interface

Extend your measurement system with our low-speed channel expansions for temperature, voltage, current or resistance temperature measurements. The multi-channel modules combine analog signal conditioning and A/D converter in an extremely rugged box. Available with CAN or RS485 interface.

Used for precision data acquisition of slow signals in rough environments, e.g. in an engine bay of a vehicle, high-quality data logging of environmental conditions or expansion of dynamic DEWETRON instruments with up to 200 Hz channels.

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Different external, multichannel CPAD and EPAD modules can be connected and combine analog signal conditioning and A/D converter in an extreme rugged box

Key Features Data Acquisition Systems

     KEY FEATURES

  • Very rugged and waterproof
  • Integrated A/D converter on each channel
  • Fully isolated

Inputs from Data Acquisition Systems

     INTERFACES

  • CAN or RS-485
  • Up to 200 Hz sample rate
  • XR modules have a programmable interface

Downloads from our Data Acquisition Systems

  DOWNLOADS

XR Modules

XR series modules are multi-channel modules and combine analog signal conditioning and A/D converter in an extremely rugged box. They feature programmable RS-485 or high-speed CAN (2.0B) interfaces. Each of the 8 measurement channels has its own A/D converter with a 200 Hz sampling rate.

XR MODULES
ISOLATED CHANNELS INPUT RANGES
SAMPLING RATE
ISOLATION IP RATING
XR-RTD8 8 isolated resistance
temperature detector
(RTD) inputs
Resistance: 0–5000 Ω
RTD: Pt100, Pt200,
Pt500, Pt1000, Pt2000
200 S/s 350 VDC IP 68
immersion depth
3 m
XR-TH8 8 isoated thermocouple
inputs
Types K, J, T, R, S, N, E,
L, C, U, B
200 S/s 1500 VAC tbd.

CPAD3 Modules

CPAD3 modules provide the measurement data via high-speed CAN. They have a standard CAN interface for data output and stand out with high galvanic isolation of 1500 V and a very low-noise 20-bit A/D converter per channel.

CPAD3 MODULES (CAN 2.0B)
ISOLATED CHANNELS INPUT RANGES
SAMPLING RATE
RESOLUTION
ISOLATION
CPAD3-V8 voltage measurement module CPAD3-V8 8 x voltage inputs Max. ±50 V 100 S/s 20-bit 1500 VDC

CPAD2 Modules

CPAD2 modules provide the measurement data via high-speed CAN, the same as CPAD3 series. But in comparison to CPAD3, they have a 24 bit multi-channel AD converter with 12 Hz sampling rate and offer 350 V galvanic isolation.

CPAD2 MODULES (CAN 2.0B)
ISOLATED CHANNELS INPUT RANGES
SAMPLING RATE
RESOLUTION
ISOLATION
CPAD2-LA8 Low current module with 8 channels 8x current inputs Max. ±30 mA 12 S/s 24-bit 350 VDC

EPAD2 Modules

EPAD2 modules are 24 bit multi-channel AD converts that provide the data via RS-485 interface. With 12 Hz sampling rate and 350 V galvanic isolation. For EPAD2 series there is an interface module – EPAD2-USB– which converts the RS485 data to USB. DEWETRON systems have an EPAD2 interface, for simply connecting EPAD2 modules as static channel expansion by a single cable.

EPAD2 MODULES (RS-485)
ISOLATED CHANNELS INPUT RANGES
SAMPLING RATE
RESOLUTION
ISOLATION
EPAD2-LA8 Low current module with 8 channels 8x current inputs Max. ±30 mA 12 S/s 24-bit 350 VDC
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