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10
english
Fig. 4-7:
Magnet
(e.g. BTL-P-1028-15R)
Supporting rod made of non-magnetizable material
Example 2, transducer installed with supporting rod
4.4
Electrical connection
The electrical connection is permanent and made using a
cable.
The connection assignments can be found in Tab. 4-2.
Note the information on shielding and cable
routing.
4.4.1 Cable connection
Cable
color
-A100
-A170
-E100
-E170
YE yellow Not used
1)
Not used
1)
4…20 mA
20…4 mA
GY gray
0 V
PK pink
La (programming input)
GN green
0…10 V
10…0 V
Not used
1)
Not used
1)
WH white
Lb (programming input)
BU blue
GND
2)
BN brown
20…28 V
RD red
3)
Not used
1)
1)
Unassigned leads can be connected to the GND on the controller side
but not to the shield.
2)
Reference potential for supply voltage and EMC-GND.
3)
Not for BTL7-…-SA262-K_ _
Tab. 4-2: Cable assignment BTL7-… cable
4
Installation and connection (continued)
4.5
Shielding and cable routing
Defined ground!
The transducer and the control cabinet must be
at the same ground potential.
Shielding
To ensure electromagnetic compatibility (EMC), observe
the following:
– Connect transducer and controller using a shielded
cable.
Shield: Braided copper shield with minimum 85%
coverage.
– On the transducer side, the cable shielding is con-
nected 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. It is important to maintain adequate distance
between the transducer/holding cylinder and strong,
external magnetic fields.
Cable routing
Do not route the cable between the transducer, controller,
and power supply near high voltage cables (inductive stray
noise is possible).
The cable must be routed tension-free.
Bending radius for fixed cable
The bending radius for a fixed cable must be at least five
times the cable diameter.
Cable length
BTL7-A
Max. 30 m
1)
BTL7-E
Max. 100 m
1)
1)
Prerequisite: Construction, shielding and routing preclude the effect of any
external noise fields.
Tab. 4-3: Cable lengths BTL7
BTL7-A/E1 _ 0-M _ _ _ _ -K(8)-SA262-K _ _ /F _ _
Micropulse Transducer - Rod Style
Содержание MICROPULSE BTL7-A/E1 0-M Series
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