4 cc-link address assignation – IAI America E-Con User Manual
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7. SCON-C
6.4 CC-Link address assignation
SCON is a one remote I/O station (one station occupied) (two words for each input and output).
To which master station number the I/O ports of SCON is assigned is set by the rotary switch for setting the station
number of SCON. Additionally, to which internal devices or addresses of PLC-CPU the buffer memory of the
master station is assigned is set by the PLC network parameter. (Device name and first address)
I/O ports of SCON are assigned to the master station buffer memory of the set station number. These port
numbers are assigned to the bit address of the master station buffer memory, respectively, in the order of the
smallest first.
Master station buffer memory
SCON remote I/O station (one station occupied) Station number N
Remote input
Remote output
Station
number
N
Station
number
N
Port No.
Output
Input
Addresses RXn* and Ryn* of the remote I/O (RX/RY)
of the PLC master station are addresses corresponding
to the station number N.
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