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N) Communication Operation Parameters; Wiring And Configuration Of Pu Connector - Mitsubishi Electric FR-CS84-012 Instruction Manual

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5.11

(N) Communication operation parameters

Purpose
To start operation via
communication
To communicate via PU connector

5.11.1 Wiring and configuration of PU connector

Using the PU connector as a computer network port enables communication operation from a personal computer, etc.
When the PU connector is connected with a personal, FA, or other computer by a communication cable, a user program can
run and monitor the inverter or read and write to parameters.
 PU connector pin-outs
Pin number
1
SG
2
3
RDA
4
SDB
5
SDA
6
RDB
7
SG
8
NOTE
• Pins No. 2 and 8 provide power to the PU. Do not use these pins for RS-485 communication.
• Do not connect the PU connector to the computer's LAN board, FAX modem socket, or telephone modular connector. The
product could be damaged due to differences in electrical specifications.
 Wiring and configuration of PU connector communication system
• Computer and inverter connection (1:1)
Inverter
FR-PU07
Operation
connector
panel
connector
RJ-45 connector
Communication cable
Initial setting of operation via
communication
Initial setting of computer link
communication (PU connector)
Name
Earth (ground) (connected to terminal 5)
PU power supply
Inverter receive+
Inverter send-
Inverter send+
Inverter receive-
Earth (ground) (connected to terminal 5)
PU power supply
Computer
PU
RS-485
interface/
terminals
RJ-45 connector
Parameter to set
P.N000, P.N001,
P.N013
P.N020 to P.N028
&&Receptacle on the inverter
(view from below)
8
to
1
Description
Station 0
Inverter
PU
RS-232C
connector
cable
RS-232C⇔RS-485
RJ-45
connector
Communication cable
5.11 (N) Communication operation parameters
Refer
Pr.549, Pr.342,
165
Pr.502
Pr.117 to Pr.124
168
Station 0
Computer
Inverter
RS-232C
connector
PU
Maximum
connector
15m
converter
RJ-45
connector
Communication cable
5. PARAMETERS
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page
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4
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