The CW-425 offers a simple possibility to obtain highly precise measurements of the no-load and working currents of devices. The CW-425 offers a total measurement range of ±150 A, divided into three measurement ranges. It is possible to switch from one measurement range to the other virtually seamlessly within a maximum of 2 µs during ongoing operations.
The measured values are transmitted via a CAN interface. Devices settings such as baud rate of the CAN bus and output transfer rate can easily be configured via CAN messages. It is possible to read in a description file (dbc file) in software tools to display the measured values. The insulation voltage of up to 1000 VDC between the measuring circuit and the control circuit offers sufficient protection for other devices in the control circuit.
The module is available as a favourably priced top-hat rail version as well as in a rugged desktop housing that offers a higher protection class.
The measured values are transmitted via a CAN interface. Devices settings such as baud rate of the CAN bus and output transfer rate can easily be configured via CAN messages. It is possible to read in a description file (dbc file) in software tools to display the measured values. The insulation voltage of up to 1000 VDC between the measuring circuit and the control circuit offers sufficient protection for other devices in the control circuit.
The module is available as a favourably priced top-hat rail version as well as in a rugged desktop housing that offers a higher protection class.
The CW-425 is destined for automated measurement of no-load and working currents of control units, for example in automotive environments. At the same time the CW-425 is an ideal supplement for our CW-300 series designed for test bench applications.
Quantity | 1 | |
Measuring range total | ±150 A | |
Measuring range quiescent current | ±100 mA | |
Deviation 0 µA to 10 mA | 0,04 % ±2 digit (relative to 10 mA) | |
Deviation 10 mA to 100 mA | 0,06 % ±5 digit (relative to 100 mA) | |
Deviation 100 mA to 150 A | 0,15 % relative to 150 A* | |
Series resistance and voltage drop | 1 Ω to 100 mA, 700 µΩ from 100 mA | |
Resolution | 1 µA | |
Connector | Stud bold M8 |
Quantity | 1 | |
Type | ISO 11898-2 (high-speed) CAN protocol version 2.0 A | |
Data rate | 500 kBit/s | |
Termination | 120 Ω, optional activation via Jumper | |
ID | 16, CAN-ID conifugable via switch | |
Output rate | Up to 500 Hz | |
Connector | Lemo EPG.1B.304 (for CAN-Bus and Power Supply) |
Quiescent current to load current | 1 µs, with positive current flow |
Quiescent current to load current | 30 ms, with negative current flow |
Load current to quiescent current | 30 ms |
Supply voltage | 9 VDC to 30 VDC |
Current consumption | 100 mA at 12 VDC |
Galvanic isolation | 1000 VDC (between measuring circuit and control) |
Temperature range operation: | 0 °C to +60 °C |
Temperature range storage | -20 °C to +70 °C |
Relative humidity | 35 % to 85 % non-condensing |
Housing: | Robust desktop housing, 45 mm DIN-Top-hat rail holder optional |
Dimensions (LxWxH): | 126 mm x 110 mm x 35 mm |
Weigth: | 180 g |
Calibration: | Factory Calibration DAkkS-Calibration on request |
*Data preliminary
Back to the Overview | CW-400 Series
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