RFO810 ABB Installation base of optical fiber repeater module

Product Details

Product Description

Product Description
RFO810 ABB Installation base of optical fiber repeater module
RFO810 ABB Installation base of optical fiber repeater module
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HMI (Human Machine Interface)
• Handles settings with key-pad and full text display
• Holds error log and trip information after power loss
• Error log and trip log include time/date stamp from a
real-time clock
• TVOC-2 can handle two separate HMI:s (cabinet door
and on product)
• Three-meter cable included
• COM Module available using Modbus RTU
Sensor & Sensor modules
• Fiber-optic sensors not affected by electrical noise
• Pre-calibrated sensors remove need for manual
configuration
• Up to 30 detectors can be connected
Current Sensing Unit (optional)
The Current Sensing Unit (CSU) is an accessory needed only in
those few specific applications where strong light is expected
on a regular basis.
CSUs are connected with an optical fiber using light as signal
for normal current. If this was removed by accident, the system
would treat it as an over-current and trip if an arc flash is seen
of reliability reasons.
Adding a CSU will result in an additional operating time depending on the size of the over-current and the number of phases
measured. Under normal conditions the time from over-current
occurring to actuating optical output is in the region between
2 and 8 milliseconds.