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EN 34/38
Manual
Limes LA50 / BA5
Absolute Magnetic Length Measurement System
8. Disturbances
This chapter describes possible causes for disturbances and measures for their removal. In
case of increased disturbances, please follow the measures for fault clearance in chapter 8.1.
In case of disturbances that cannot be eliminated by following the advice and the fault clea-
rance measures given here, please contact the manufacturer (see second page).
8.1 Fault Clearance
CAUTION!
The device, the connection line and the signal cable must not be in-
stalled next to sources of interference that emit strong inductive or ca-
pacitive interference or strong electrostatic fields.
External perturbations can be avoided thorough suitable cable routing.
The screen of the signal output cable should only be connected to the
following circuit on one side. The screens should not be grounded on
both sides. Signal cables always have to be routed separately from the
load power line. A safety distance of at least 0,5 m has to be kept from
inductive and capacitive sources of interference such as contactors,
relays, motors, switching power supplies, clocked controllers etc!
If interferences occur in spite of all the items stated above being ob-
served, please proceed as follows:
1. Installation of RC-circuits via contactor coils of AC-contactors
(e.g. 0,1 μF / 100 Ω)
2. Installation of recovery diodes via DC-inductors
3. Installation of RC-circuits via the different motor phases
(in the terminal box of the motor)
4. Do
not
connect protective earth and ground
5. Connect a mains filter ahead of the external power pack
8.2 Re-start after Fault Clearance
After the fault clearance:
1. Reset the emergency stop mechanism if necessary
2. Reset the error report at the super-ordinate system if necessary
3. Ensure that there are no persons in the danger area
4. Follow the instructions from chapter 6
Содержание Limes BA5
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