Checking The Insulation Impedance Of The Load Cell; Checking The Insulation Impedance Of The Connecting Cable - Minebea Intec Novego Manuel D'installation

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Hygienic Weighing Module Novego®
8.3.3

Checking the insulation impedance of the load cell

8.3.4

Checking the insulation impedance of the connecting cable

Minebea Intec
Type
Input impedance
(red core, blue core)
D1
1080 Ω ±10 Ω
C3
1080 Ω ±10 Ω
NOTICE
Possible destruction of load cell
Never apply test voltage between two cores of the load cell cable.
Insulate the load cell cores.
Max. test voltage
-
Standard version 100 V DC
-
Intrinsically safe version (PR .../..E) 500 V AC
Insulation impedance
-
Disconnect connecting cable from measuring instrument and load cells.
-
Insulate the cores of the connecting cable.
Insulation impedance
Output impedance
(green core, gray core)
1010 Ω ±2 Ω
1010 Ω ±1 Ω
Core – housing
Core – screen
Screen – housing
Core – core
Core – screen
8 Troubleshooting
>5000 MΩ
>5000 MΩ
0 Ω
>120 MΩ × km
>120 MΩ × km
EN-40

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