SMC Networks LECSB2-T Series User Manual

3. SIGNALS AND WIRING
3 - 15
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 DIMENSIONS.
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
LECSB2-T5 to
LECSB2-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.
L11/L21
Control circuit
power supply
Supply the following power to L11 and L21.
Driver
Power
LECSB2-T5 to LECSB2-T9
1-phase 200 V AC to 240 V AC
L11/L21
U/V/W
Servo motor
power output
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 to the driver.
Protective earth
(PE)
Connect it to the grounding terminal of the servo motor and to the protective earth
(PE) of the cabinet for grounding.

SMC Networks LECSB2-T Series Specifications

General

Brand	SMC Networks
Model	LECSB2-T Series
Category	DC Drives
Language	English