Electrical Connection; Shielding And Cable Routing - Balluff BTL5-A/C/E1-M-SF-F Serie Manual De Instrucciones

BTL5-A/C/E1_ -M _ _ _ _ -SF-F _ _
Micropulse Transducer - Rod Style
4
Installation and connection (continued)
4.2

Electrical connection

The electrical connection is permanent and made using a
cable (F_ _). The connection assignments depend on the
respective version (see Tab. 4-1).
Output signals
Cable
YE Yellow
GY Gray
PK Pink
GN Green
Supply voltage (external)
Cable
BU Blue
BN Brown
WH White
Tab. 4-1: Connection assignments
4.3

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.
Shielding: Braided copper shield with minimum 85%
coverage.
– On the transducer 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. It is important to maintain adequate distance
between the transducer/holding cylinder and strong,
external magnetic fields.
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BTL5-A11 -C10
Not used 0 to 20 mA
2)
0 V 0 V
10 to 0 V Not used
1)
0 to 10 V Not used
1)
BTL5-A/C/E1
GND
+24 V
Not used
2)
-C17
20 to 0 mA
0 V
Not used
2) 2)
Not used
2) 2)
1)
Because of the separate output drivers there are small voltage
differences between PK and GN (offset < 10 mV).
2)
Unassigned leads can be assigned to GND on the process controller
side, but they must never be connected to the shield.
Cable routing
Do not route the cable between the transducer, controller,
and power supply near high voltage cables (inductive stray
noise is possible).
Linear
transducer
BTL5-ACE...
Tab. 4-2: Cable length
1) Prerequisite: Construction, shielding and routing preclude the effect of any
external noise fields.
Bending radius for fixed cable
The bending radius for a fixed cable must be at least five
times the cable diameter.
-E10 -E17
4 to 20 mA 20 to 4 mA
0 V 0 V
Not used Not used
2) 2)
Not used Not used
2) 2)
Maximum Cable diameter
cable length
1)
20 m 6 - 8 mm
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