Mitsubishi Electric FR-F740-00023

30
Control circuit specifications
2.3.6 RS-485 terminal block
2.3.7 Communication operation
T-.$/&0"5&dT&,($$5,0(+&(+&;b<`G^&05+?.$#7B&'()&,#$&85+*(+?&,(??)$.,#0.($&(85+#0.($&*+(?&#&85+-($#7&,(?8)05+&50,6
P"5$&0"5&dT&,($$5,0(+&.-&,($$5,059&C.0"&#&85+-($#7B&:L&(+&(0"5+&,(?8)05+&2'&#&,(??)$.,#0.($&,#275B&#&)-5+&8+(/+#?
,#$&+)$&#$9&?($.0(+&0"5&.$45+05+&(+&+5#9&#$9&C+.05&0(&8#+#?505+-6
:(+&0"5&1.0-)2.-".&.$45+05+&8+(0(,(7&[,(?8)05+&7.$%&(85+#0.($\B&,(??)$.,#0.($&,#$&25&85+*(+?59&C.0"&0"5&dT&,($$5,0(+
#$9&;b<`G^&05+?.$#76
:(+&0"5&1(92)-&;!T&8+(0(,(7B&,(??)$.,#0.($&,#$&25&85+*(+?59&C.0"&0"5&;b<`G^&05+?.$#76
:(+&*)+0"5+&950#.7-B&+5*5+&0(&
page 1896
 S($*(+?.$/&-0#$9#+9g&W3L<`G^[;b<`G^\
 !+#$-?.--.($&*(+?#0g&1)70.9+(8&7.$%
 S(??)$.,#0.($&-8559g&1Ll&_G`>>28-
 U45+#77&75$/0"g&^>>?
 S($$5,0.($&,#275g!C.-059&8#.+&,#275&
[`&8#.+-\
RXD
RDA1
(RXD1+)
RDB1
(RXD1-)
RDA2
(RXD2+)
RDB2
(RXD2-)
SDA1
(TXD1+)
SDB1
(TXD1-)
SDA2
(TXD2+)
SDB2
(TXD2-)
P5S
(VCC)
SG
(GND)
P5S
(VCC)
SG
(GND)
VCC
TXD
OPEN
100Ω
Terminating resistor switch
Factory-set to "OPEN".
Set only the terminating resistor switch of
the remotest inverter to the "100Ω" position.