7777 Electronic Overspeed Detection and 3 Comprehensive System
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> 7777 Electronic Overspeed Detection and 3 Comprehensive System
DescriptionSpecifications
Inputs
__ Radial Vibration
__ Acceleration
__ Velocity
Signal:
Each Overspeed Protection module accepts a single transducer signal from a proximity probe transducer or magnetic pickup. The input signal range is +10.0 V to -24.0 V. Signals exceeding this range are limited internally by the module.
Power Consumption:
8.0 Watts, typical.
Output Impedance:
550 Ω.
Transducer Power Supply:
-24 Vdc, 40 mA maximum.
Input Impedance:
20kΩ
Voltage Compliance (current output):
0 to +12 Vdc range across load.
Load resistance is 0 to 600 Ω.
Recorder:
+4 to +20 mA. Values are proportional to module full-scale range (rpm). Module operation is unaffected by short circuits on recorder output.
