Mitsubishi Electric A800 Plus Instruction Manual page 36

Connection between the converter unit and the inverter
Perform wiring so that the commands sent from the converter unit are transmitted to the inverter without fail. Incorrect
connection may damage the converter unit and the inverter.
For the wiring length, refer to the table below.
Across terminals P and P and
Total wiring
terminals N and N
length
Other control signal cables
For the cable gauge of the cable across the main circuit terminals P/+ and N/- (P and P, N and N), refer to
MCCB
MC
Power
supply
∗1
Do not install an MCCB across terminals P/+ and N/- (across terminals P and P/+ or across N and N/-). Connecting the opposite polarity of
terminals N/- and P/+ will damage the inverter.
∗2
For the terminal used for the X10 signal input, set "10" in any of Pr.178 to Pr.189 (input terminal function selection) to assign the function.
(The X10 signal is assigned to terminal MRS in the initial setting.)
For the X10 signal, NC contact input specification is selected in the initial setting. Set Pr.599 = "0" to change the input specification to NO
contact.
∗3
For the terminal used for the X11 signal input, set "11" in any of Pr.178 to Pr.189 (input terminal function selection) to assign the function. For
RS-485 or any other form of communication where the start command is only transmitted once, use the X11 signal to save the operation mode
at the time of an instantaneous power failure.
∗4
Always connect terminal RDA of the converter unit and terminal MRS (X10) of the inverter, and terminal SE of the converter unit and the terminal
SD (sink logic) of the inverter. Not connecting these terminals may damage the converter unit.
50 m or lower
30 m or lower
Converter unit
(FR-CC2)
Inverter
∗1
R/L1 P/+ P/+
N/- N/-
S/L2
R1/L11
S1/L21
T/L3
R1/L11
S1/L21
∗4
RDA MRS(X10)
∗2
RDB
IPF X11
RSO RES
∗4
SD
SE
Terminal connection diagrams
U
V
M
W
∗3
INSTALLATION AND WIRING
page 38.
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