Current sensor CPE

CPE current sensors are used in automatics systems of combined cutter loaders and conveyors in underground parts of mines as:
  • bistable sensors of set value current (can be used as an OPERATION - STOPPAGE indicator in AC devices), can co-operate with NK transmitter of TK-CTT-32 transmission system or NKTm-u in FOD-900 transmission system.
  • analogue AC value gauge, possible co-operation with AT2 module of VAL operator's system.
The advantage of CPE sensor is the direct installation on power lines without the need to cut them. It results from the principle of operation of the sensor which measures the magnetic field around the power lines conductors that supply engines of machines.
Item
external dimensions
mm
supply voltage (except*) terminals [12V-0V]
V
Output voltage in analogue operation, terminals (AO-0V)
V
output voltage in bistable (three-conductor) operation, terminals (DO-0V)
V
Outlet voltage in bistable (three-conductor) operation, terminals (IND-0V)
-
maxumum current consumtion
-
current measurement range
A
Category of spark-safe circuits that co-operate with the appliance
-
Permissible diameters of measured current conductors that can be clamped in clamping devices
mm
range of permissible diameters of measured current conductors
mm
cable glands
-
permissible diameters of conductors
mm
Weight
kg
degree of protection of enclosure
-
catalogue number
-
Item CPE
external dimensions
mm
250 x 170 x 115
supply voltage (except*) terminals [12V-0V]
V
spark-safe 12V (5%)
Output voltage in analogue operation, terminals (AO-0V)
V
0,4÷5V or 0,4÷2V (for VAL stations)
output voltage in bistable (three-conductor) operation, terminals (DO-0V)
V
≤0,5V: STOPPAGE Uz–0,7V: OPERATION
Outlet voltage in bistable (three-conductor) operation, terminals (IND-0V)
-
in OPERATION the lower half of rectangular voltage cut off, in STOPPAGE rectangular voltage unaltered
maxumum current consumtion
-
Analogue operation = 5,5 mA, bistable operation = 180μA
current measurement range
A
from 40
Category of spark-safe circuits that co-operate with the appliance
-
Ia
Permissible diameters of measured current conductors that can be clamped in clamping devices
mm
54 ÷ 65
range of permissible diameters of measured current conductors
mm
10 ÷ 75
cable glands
-
WP 13,5; 2 pieces
permissible diameters of conductors
mm
7 ÷ 13
Weight
kg
2,5
degree of protection of enclosure
-
IP54
catalogue number
-
AM-930321-01
* bistable two-conductor operation - uses only [IND-0V] terminals and supplies them with rectangular voltage signal of ±5...7,5V. The upper half of the voltage supplies the CPE system, and the lower half is connected to -0,6V voltage in OPERATION mode.
 
** ATTENTION: for conductors with external diameter > 65) mm, it is necessary to unscrew four M6x16 screws and remove clamping devices

 


 

 

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