Download TeSys Model U - Electrocomponents

Application examples
TeSys Model U
Controllers
520973
Application
Monitoring blockage of a rock crusher by monitoring the motor current.
Operating conditions
b
b
b
b
b
Power : 90 kW at 400 V.
In : 185 A
Duty class S1.
Control circuit voltage : a 230 V
Control-command by PLC and serial link using the Modbus protocol.
Products used
Products used
Controller
Multifunction control unit
Modbus communication module
Current transformers
Contactor
Circuit-breaker
Item
1
2
3
4
5
6
Quantity
1
1
1
3
1
1
Reference
LUT M
LUCM T1BL
LUL C033
LUT C4001
LC1 F185P7
NS 250HMA
Page
25
25
30
25
–
–
561271
Functions performed
b Short-circuit protection with level of protection of 70 kA at 400V.
b Electronic protection against thermal overloads with an adjustment range of 0.25
- 1.0 x In
b Detection of crusher blockage by monitoring the induced overcurrent. To use the
"overtorque or jam" function, the following parameters must be entered :
v trip : the answer yes/no enables or disables the function,
v time before tripping : the time period during which the value of the current must be
above the tripping threshold in order to cause tripping (adjustable from 1 to 30 s).
v tripping threshold : value as a % of the load current ratio in relation to the setting
current. If the ratio remains above this threshold for the time specified in the previous
parameter, the product trips (adjustable from 100 to 800 %).
It is possible to set the parameter for an alarm at a preset threshold under the same
conditions as above.
4 5 8
- KA1
From S1/T1, S1/T2, S1/T3,
S2/T1, S2/T2, S2/T3
- KA1
- T2
- Q6
13
- KM1
To - KA1
- Q6
S1
A1
- T3
- KM1
A2
S2
S2
S1
+
5/L3
3/L2
1/L1
96
24 V 24V
c Aux COM
230 V a
D (B)
D (A)
Gnd
LI2
LI1
I.7
I.6
L3
L1
L2
D (B)
D (A)
Gnd
6/T3
4/T2
2/T1
24 V Aux
4 5 8
S1
S2
S1
- KA1
Modbus Module
LUL C033
S2
- Q6
- T1
- KA1
Controller
LUT M20BL
LO1
- KA1
LUCM T1BL
Multifunction Control Unit
I.3
5/L3
3/L2
1/L1
Scheme
c 24 V
W1 6T3
V1 4T2
U1 2T1
- KM1
- KA1
Modbus
VW3 A8 306 TF03
a
M
3a
Other functions
The multifunction control unit incorporates other control and protection functions,
such as : monitoring and control of phase currents, alarm, …
Communication module LUL C033 also provides a programmable output and two
programmable inputs.
Schneider Electric
13