Specifications

Head Station STL-BT1 (CC-Link) CC-Link
Quick Start Guide for the MELSEC STlite Series 3 - 13
Data Exchange
After mapping the I/O-data of the STlite I/O modules to the local process image the head station cycli-
cally transfers the digital input data from the process image to the Remote I/O area and the analog
input data to the Remote Register area.
In the same way the digital output data from the Remote I/O area and the analog output data from the
Remote Register area to the are transferred to the process image.
Fig. 3-15: Data exchange for CC-Link
CC-Link address area
Remote I/O
Inputs
Head station STL-BT1 (CC-Link)
CC-Link master
CC-Link address area
Remote registers
Memory area for
input data
Memory area for
output data
Outputs
In Out
Word 0
Word 255
Analog
Digital
Input
modules
Word 0
Word 255
Analog
Digital
Output
modules
I/O modules