Terminal Layout - Mitsubishi Electric 800 Series Instruction Manual

1.1.3

Terminal layout

Terminating resistor switch
Initially-set to "OPEN".
Set only the terminating resistor
switch of the remotest inverter to
the "100Ω" position.
P5S SG SDA1 SDB1
(VCC) (GND) (TXD1+) (TXD1-)
VCC GND + TXD -
VCC
P5S
(VCC)
8
PRE-OPERATION INSTRUCTIONS
RDA1 RDB1
(RXD1+) (RXD1-)
100Ω
OPEN
+ RXD -
GND + TXD - + RXD -
SG SDA2 SDB2 RDA2 RDB2
(GND) (TXD2+) (TXD2-) (RXD2+) (RXD2-)
Name Description
RDA1
Inverter receive +
(RXD1+)
RDB1
Inverter receive -
(RXD1-)
RDA2 Inverter receive +
(RXD2+) (for branch)
RDB2 Inverter receive -
(RXD2-) (for branch)
SDA1
Inverter send +
(TXD1+)
SDB1
Inverter send -
(TXD1-)
SDA2 Inverter send +
(TXD2+) (for branch)
SDB2 Inverter send -
(TXD2-) (for branch)
P5S 5V
(VCC) Permissible load current 100 mA
SG Earthing (grounding)
(GND) (connected to terminal SD)