Mitsubishi Electric FR-A760 Series Instruction Manual page 324

(2) PU connector communication system configuration and wiring
System configuration
FR-DU07
Operation
panel
connector
FR-ADP
(option)
RJ-45 connector
10BASE-T cable 1)
Connection with RS-485 computer
Computer Side Terminals
Signal name
RDA
RDB
SDA
SDB
RSA
RSB
CSA
CSB
SG
FG
* Make connections in accordance with the manual of the computer used. Fully check the terminal numbers of the computer since
they change with the model.
REMARKS
⋅ Refer to the following when fabricating the cable on the user side.
Commercially available product examples (as of September, 2006)
1) 10BASE-T cable SGLPEV-T 0.5mm × 4P * Mitsubishi Cable Industries, Ltd.
* Do not use pins No. 2, 8 of the 10- BASE-T cable.
CAUTION
When performing RS-485 communication with multiple inverters, use the RS-485 terminals. (Refer to page 315)
Computer
Inverter
PU
RS-485
connector
interface/
terminals
RJ-45 connector
Cable connection and signal direction
Description
Receive data
Receive data
Send data
Send data
Request to send
Request to send
Clear to send
Clear to send
Signal ground
Frame ground
Product
Communication operation and setting
Station 0
Inverter
RS-232C
PU
cable
connector
RS-232C-RS-485
RJ-45
connector
10BASE-T cable 1)
10BASE-T cable
*
0.2mm or more
2
Type
Station 0
Computer
Inverter
RS-232C
connector
PU
Maximum connector
15m (49.2feet)
converter
RJ-45
connector
10BASE-T cable 1)
Inverter
PU connector
RS-485 terminal
SDA
SDB
RDA
RDB
SG
Maker
4
313