Wiring Of Control Circuit - Mitsubishi Electric FR-CC2-N Series Instruction Manual

• When using an external power supply for transistor output
Sink logic
Use terminal PC as a common terminal, and perform wiring as
follows. (Do not connect terminal SD of the converter unit with
the terminal 0 V of the external power supply. Do not install an
external power source in parallel with the internal 24 VDC
power source (connected to terminals PC and SD) to use
them together. Doing so may cause a malfunction in the
converter due to undesirable currents.)
QY40P type transistor
output unit
TB1
TB2
TB17
Constant
voltage
circuit
TB18
2.6.3

Wiring of control circuit

 Control circuit terminal layout
NC NC NC NC SE SE
*1 For manufacturer setting. Do not use.
CAUTION
• Do not use the empty terminals (NC) of the control circuit. Doing so may lead to damage of the converter unit and the
inverter.
 Wiring method
 Power supply connection
Use crimp terminals and stripped wire for the control circuit wiring. For single wire, the stripped wire can be used without crimp
terminal.
Connect the end of wires (crimp terminal or stranded wire) to the terminal block.
42
2. INSTALLATION AND WIRING
2.6 Control circuit
Converter unit
RES
24VDC
(SD)
RDI
PC
24VDC SD
Current flow
NC NC NC NC NC +24 SD NC NC
RDB RDA IPF RSO FAN
Source logic
Use terminal SD as a common terminal, and perform wiring as
follows. (Do not connect terminal PC of the converter unit with
the terminal +24 V of the external power supply. Do not install
an external power source in parallel with the internal 24 VDC
power source (connected to terminals PC and SD) to use
them together. Doing so may cause a malfunction in the
converter due to undesirable currents.)
QY80 type transistor
output unit
Constant
voltage
circuit
SD NC NC NC PC A1 B1
PC NC NC NC NC NC NC OH
Converter unit
PC
TB1 RES
TB2
RDI
TB17
Fuse
TB18 SD
Current flow
∗1 ∗1
C1 88R NC 88S
RES SD SD RDI NC NC NC
24VDC
(SD)