LSIS XDL-L7NH Series, User Manual, Page: 28 / 348

2. Wiring and Connection
2-6
2.3.3
XDL-L7NH Drive Block Diagram
(XDL-L7NHB150U)
1
2
3
4
6
9
8
7
2
3
4
6
9
8
7
1
Note 7) If using a DC reactor, connect the PO and PI pins.
Note 8) XDL-L7NHB150U model has no internal regenerative resistance. The external regenerative
resistance is used. When attaching the resistance, connect it to B+ and B terminals.
Note 9) XDL-L7NHB150U Model is cooled by a DC 24 V cooling fan.
Note 7)
Note 8)
Note 9)
Resistor
Input 3-phase power
Current sensor
Regenerative
Resistor
Thermistor
Thermistor
Control Power Phase
Loss Detection Circuit
Main Power Phase
Loss Detection
Circuit
Internal
Temperature
Detection Circuit
driving circuit
DC Voltage
Detection Circuit
Regenerative
Brake Drive
Circuit
IGBT Temperature
Detection Circuit
PWM Signal SC
Detection Circuit
U and V Current
Detection Circuit
DB Drive Circuit
Input Single-phase
Main Control
POWER circuit connection
U,V Current DC
Voltage
EtherCAT
Communication
USB
communication
A/D Conversion
Encoder Input
P/C Insulation I/F
Safety Function
Input (2 Points)
Safety Function
Output (1 Point)
Digital input
(8 points) Digital Output
(4 points) Analog Input
(1 Point) Analog output
(2 points)
Analog output connection
Input/output connection (I/O)
Safety device connection (STO)
External
regenerative
resistor