![Omron E5AC Скачать руководство пользователя страница 27](http://html1.mh-extra.com/html/omron/e5ac/e5ac_communications-manual_742553027.webp)
1 - 5
1 Communications Methods
E5@C Digital Temperature Controllers Communications Manual (H175)
1-1 Overview of
Co
mmu
nica
-
tio
n
s Met
hod
s
1
1-
1-5
Wiring
RS-485
•
The RS-485 connection can be either one-to-one or one-to-N. Up to 32 units including the host
can be connected in a one-to-N system.
•
The total cable length is 500 m max.
•
Use shielded twisted-pair cable.
For detailed wiring specifications, refer to
E5CC/EC/AC
1-1-5
Wiring
RS-485
14
13
RS-485
6.8 V
TX
RX
14
13
FG
−
+
SG
A (
−
)
B (+)
A (
−
)
B (+)
120
Ω
(1/2 W)
Abbreviation
Pin
Abbreviation
Specify both ends of the transmission path including the host
as the end node (that is, connect terminating resistance to both
ends). Use a terminating resistance of at least 54
Ω
.
Host
E5CC/EC/AC
E5CC/EC/AC
End node
RS-485
Shield
Shield
Terminating
resistance
Use 120
Ω
(1/2 W)
terminating resistance.
A < B: "1" Mark
A > B: "0" Space
Communications
transceiver
Pin
Abbreviation
Содержание E5AC
Страница 2: ......
Страница 16: ...Revision History 14 E5 C Digital Temperature Controllers Communications Manual H175...
Страница 22: ...20 E5 C Digital Temperature Controllers Communications Manual H175...
Страница 54: ...2 CompoWay F Communications Procedures 2 22 E5 C Digital Temperature Controllers Communications Manual H175...
Страница 96: ...4 Modbus Communications Procedure 4 16 E5 C Digital Temperature Controllers Communications Manual H175...
Страница 114: ...5 Communications Data for Modbus 5 18 E5 C Digital Temperature Controllers Communications Manual H175...
Страница 206: ...6 Programless Communications 6 92 E5 C Digital Temperature Controllers Communications Manual H175...
Страница 214: ...7 Component Communications 7 8 E5 C Digital Temperature Controllers Communications Manual H175...
Страница 219: ...I 1 E5 C Digital Temperature Controllers Communications Manual H175 I Index...
Страница 222: ...I 4 E5 C Digital Temperature Controllers Communications Manual H175...
Страница 223: ......