1. Product Configuration
1-3
1.3
Component Names
1.3.1
Servo Drive Component Names
L7NHF Drive (1 kW)
Display
Shows drive status, alarms, etc.
CHARGE lamp
Lights on when the main circuit
power is on.
Main power
connectors(L1,L2,L3)
Terminals to input the main circuit power.
DC reactor connectors (PO,PI)
Terminals to connect the DC reactor that suppresses
high-frequency power.
Regenerative resistor
connectors(B+,B,BI)
Terminals to connect external regenerative resistors
-When using an internal resisto r:Sh ort-circuit B and BI
terminals
-For an extern al re sistor:Install it to B+ a nd B termina ls.
Control power
terminals (C1,C2)
Terminals to input the control power.
Servo motor connection
terminals (U,V,W)
Terminals to connect the main circuit cable
(power cable) of the servo motor.
Analog monitor connector
Connector to check analog output signals.
Node address setting switch
Switch to set the node address of the drive.
You can set the node addresses from 0 to 99.
USB connector (USB)
This connector is used to communicate with a PC.
EtherCAT communication input port (ECAT IN)
EtherCAT communication output port
(ECAT OUT)
Safety connector (STO)
This connector connects safety devices.
- If a safety device is not used, be sure to install the
safety jump connector before use.
Input/output signal connectors (I/O)
This connector is for sequence input/output signals.
Encoder connector (ENCODER)
This connector connects to the encoder installed in
the servo motor.
Status LED
It indicates the current state of EtherCAT
communication.
Ground
terminal
Ground terminal to prevent electric shock
Encoder connector 2 (ENCODER2)
Connector used to connect the encoder (sensor)
installed in the external equipment.
Содержание L7NHF Series
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