Getting Started: I-8437-80/8837-80/8417/8817, Jul 2020 V2.0 66
3.15
Linking I-7000 and I-87K Modules for Remote I/O
For more details, refer to Chapter 6 of the ISaGRAF user manual.
http://www.icpdas.com/en/download/show.php?num=333
One of COM3 (RS-232/485) and COM4 (RS-232) can be used to connect to remote I/O modules.
(As the figure below, the COM3 is used)
When using the COM4 port to connect I/O modules, the I-7520R (RS-232 to RS-485 Converter) is
needed to connect both the PAC and remote I/O modules.
One I-8xx7 can connect up to 64 remote I/O modules, but we suggest not more than 40. In
addition, each module must be set a unique address and the same baud rate with the PAC.
For more information regarding setting up and programming an I-7000/I-87K remote module,
refer to
or Chapter 6 of
- "Linking to I-7000 and I-87K
Modules".
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