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4
Installation and connection (continued)
4.5 Shielding and cable routing
Defined ground!
The BTL and the control cabinet must be at the
same ground potential.
Shielding
To ensure electromagnetic compatibility (EMC), observe
the following:
– Connect BTL and controller using a shielded cable.
Shielding: Braided copper shield with minimum 85%
coverage.
– Connector version: Shield is internally connected to
connector housing.
– Cable version: On the BTL side the cable shielding is
connected to the housing.
Ground the cable shielding on the controller side
(connect with the protective earth conductor).
Magnetic fields
The position measuring system is a magnetostrictive
system.
Ensure that there is sufficient distance between the BTL,
holding cylinder and strong, external magnetic fields.
Cable routing
Do not route the cable between the BTL, controller, and
power supply near high voltage cables (inductive stray
noise is possible).
The cable must be routed tension-free.
Cable length
BTL5-… ≤ 500 m
1)
1) Prerequisite: Construction, shielding and routing preclude the effect of
any external noise fields. Required cable cross-section ≥0.6mm
2
or
≤AWG19.
Tab. 4-3: Cable length BTL5
Bending radius for fixed cable
The bending radius for a fixed cable must be at least five
times the cable diameter.
BTL5-P/I/L/M1-M ____ -H/W(8) -S32/KA __ /K __
Magnetostrictive Linear Position Sensor – Rod Style
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