St e p 1 : Con n e ct in g t o a n e t w or k , PC a n d Pow e r
1. Confirm that the tGW-700 modules are functioning correctly. Refer to Section
Connecting the power and Host PC
for more details.
2. Use a i-7520 module to connect COM1 of the PC to COM1 of the tGW-700 #1. For
detailed RS-422/485 wiring information, refer to Section
.
(
i-7520 Web site:
http://www.icpdas.com/products/Remote_IO/i-7000/i-7520.htm
)
3. Connect the Modbus device (Ex, M-7055D) with COM1 of the tGW-700 #2.
(
M-7055D Web site:
http://www.icpdas.com/products/Remote_IO/m-7000/m-7055d.htm
For example of pair-connection test as follows:
t GW - 7 0 0 Se r ie s Use r M a n u a l, V e r sion 1 .6 , Ju l. 2 0 1 1
46
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