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Operating instructions
Chapter
5
LCUR1411
8011281/TF99/2013-02-28
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
33
Electrical installation
5.2.4
Machine connection for replacement of LVU450–1400
Switch the entire machine/system off line!
There is a risk of unintentional starting of the machine and power on the supply cables
while you are connecting the devices.
Electrically isolate the system and all devices affected for the period of the electrical
installation and secure against switch on.
The cable assignment on the original connector must be documented prior to removal of
the connector so the machine can be connected as per the table given below and the
circuit diagram.
Disconnect the cable between LVU450-1400 and the machine controller
Connect the cable from the machine controller to the terminal strip on the LCUR1411
as per the table given below and the circuit diagram
Insulate cables on K3 and L2!
The cables on K3 and L2 are no longer required and must be properly insulated.
Designation on
LVU4501400
Terminal no. of the
LVU4501400
Terminal no. of the
LCUR1-411
Function
L
J3
19
Voltage supply
230 V
N
J2
20
Voltage supply
PE
J1
21
Earth conductor
Contact NC
L1
18
Normally closed
circuit with fuse
Contact NC
K4
17
Contact NO
K1
12
Normally open
circuit with fuse
Contact NO
K2
13
Selector switch
L3
4
Operating mode
switching
Selector switch
L4
5
Protective operation
Selector switch
M3
2
single break PSDI
mode
Selector switch
M4
3
double break PSDI
mode
MCC OUT
M1
10
Machine contact
circuit
MCC IN
M2
11
Machine contact
circuit
WARNING
WARNING