BENDERW35AB Bender

Description

Product name：BENDERW35AB Bender Input module

Product details:

• Monitoring for unearthed AC and DC systems with galvanically connected rectifiers or frequency converters
• Measuring the nominal system voltage Un (true RMS) with undervoltage/overvoltage detection
• Selectable start-up delay, response delay and delay on release
• Measuring the residual voltages of the supply system to earth (L1/+, L2/– to PE)
• Automatic adaptation to the system leakage capacitance Ce up to 1000 μF
• Automatic device self test with connection monitoring
• Two separately adjustable response value ranges from 1…500 kΩ (alarm 1, alarm 2)
• Alarms output via LEDs (‘AL1’, ‘AL2’), a display, and alarm relays (‘K1’, ‘K2’)
• Selectable N/C or N/O relay operation
• Measured value display via multi-functional LC display
• Fault memory can be activated
• Password protection against unauthorised changing of parameters
• RS-485 (galvanically isolated) including the following protocols:
– BMS (Bender measuring device interface) for the data exchange with other Bender devices
– Modbus RTU
– IsoData (for continuous data output)

Also from a minimum value of the nominal system voltage, the ISOMETER® determines the insulation
resistance RUGF from the residual voltages UL1e and UL2e. It is an approximate value for one-sided insulation
faults and can be used as a trend indicator in cases where the ISOMETER® has to adapt to an RF and Ce relation
that varies considerably.
The determined fault can be assigned to an alarm relay via the menu. If the values RF or Un exceed the response
values activated in the ‘AL’ menu, this will be indicated by the LEDs and relays ‘K1’ and ‘K2’ according to the
alarm assignment set in the ‘out’ menu. In addition, the operation of the relay (n.o. / n.c.) can be set and the
fault memory ‘M’ can be activated.
If the values RF oder Un do not exceed their release value (response value plus hysteresis) for the period toff
without interruption, the alarm relays will switch back to their initial position and the alarm LEDs ‘AL1’/’AL2’
stop lighting. If the fault memory is activated, the alarm relays remain in the alarm condition and the LEDs light
until the reset button ‘R’ is pressed or the supply voltage Us
is interrupted.

Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!

We have the same series of models in stock.  If you don’t find the model you need, please contact us and we will provide you with an official quotation！

Colour：new Warranty: 12 months
Lead Time：3-day working day Country of origin: Sweden
Price: Please contact us Product weight：0.515kg
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service

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