![A&D AD-8551R Скачать руководство пользователя страница 11](http://html1.mh-extra.com/html/aandd/ad-8551r/ad-8551r_instruction-manual_446313011.webp)
9
5.
RS-485 Interface
RS-485 specifications
■
Connector (Made by 3M 35605-5153-A00)
5
SLD
-
Shield
⋆1
4
-
-
N.C
3
SG
-
Signal ground
2
DATA-
Input/Output Send / Receive data
1
DATA+
Input/Output Send / Receive data
⋆1.
Connect the shield of the RS-485 cable.
The shield terminal is connected to the DC power input terminal FG, RS-232C connector shell, and DIN rail
connection spring connector.
(
Refer to “4-3 Internal connection status”
)
■
Communication specifications
Item
Communication method [SW-2 No.3]
Modbus RTU mode
Command mode
Baud rate
[
SW-1 No.1, 2
]
9600*, 19200, 38400, 115200bps
Data bit
8 bit (fixed)
Parity
[
SW-1 No.3, 4
]
EVEN*, ODD, NONE
Stop bit
1 bit (fixed)
Terminator
A silent interval of at
least 3.5 character
times
<CR><LF>
(
fixed
)
Terminating resister
[
SW-5 No.1
]
Built-in
:
Yes
(
100
Ω)
/ No * selected by switch
Device address setting
[
SW-3 No.3, 4, SW-4
]
01* to 63
Code
Modbus RTU*
ASCII code commands
*Factory setting
5
4
3
2
1