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SMC Networks LECSN-T Series - 3.3 Explanation of power supply system; 3.3.1 Signal explanations

SMC Networks LECSN-T Series
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3. SIGNALS AND WIRING
3 - 9
3.3 Explanation of power supply system
3.3.1 Signal explanations
POINT
For the layout of connector and terminal block, refer to chapter 9.
Symbol
Connection target
(application)
Description
L1/L2/L3
Main circuit power
supply
Supply the following power to L1, L2, and L3. For 1-phase 200 V AC to 240 V AC, connect the
power supply to L1 and L3. Leave L2 open.
Driver
Power
LECSN2-T5
LECSN2-T9
3-phase 200 V AC to
240 V AC, 50 Hz/60 Hz
L1/L2/L3
1-phase 200 V AC to
240 V AC, 50 Hz/60 Hz
L1/L3
P3/P4
-
connect P3 and P4. (factory-wired)
P+/C/D
Regenerative option
When using a driver built-in regenerative resistor, connect P+ and D. (factory-wired)
When using a regenerative option, disconnect P+ and D, and connect the regenerative option to
P+ and C.
Refer to section 11.2 for details.
Symbol
Connection target
(application)
Description
L11/L21
Control circuit power
supply
Supply the following power to L11 and L21.
Driver
Power
LECSN2-T5
LECSN2-T9
1-phase 200 V AC to
240 V AC, 50 Hz/60 Hz
L11/L21
U/V/W
Servo motor power
Connect the driver power output (U/V/W) to the servo motor power input (U/V/W) directly. Do
not let a magnetic contactor, etc. intervene. Otherwise, it may cause a malfunction.
N-
-
Do not connect it.
Protective earth (PE)
Connect it to the grounding terminal of the servo motor and to the protective earth (PE) of the
cabinet for grounding.

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