Accura 2300/2350 User Guide
Chapter 2 Installation
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2011 Rootech Inc. All Rights Reserved
Page 93
RS-485 Communication[Option]
If RS485 option is selected when ordering Accura 2300, the digital I/O is not supported because digital I/O
terminal is replaced by RS-485 communication terminal.
Fig 2.71 Accura 2300 RS-485 Communication[Option]
RS-485 1 Port
Item
Description
Port name
Ta[TRX+], Tb[TRX-], Sh[Shield]
Connector type
Screw-type terminal[Pluggable]
Protocol
Modbus RTU
Baud rate
1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bps
Wire
0.21 to 3.5 mm
2
[24 to 12 AWG], Shielded twisted pair
1
Max. cable length
1219m[4000ft]
Max. connection devices
32 devices / bus
1. Connect shield wire to Sh terminal.
Fig 2.72 Accura 2300 RS-485 Communication connection
Содержание Accura 2300 Front
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