250
FX3UC Series Programmable Controllers
User’s Manual - Hardware Edition
9 CC-Link/LT Built-in master ability (Only FX3UC-32MT-LT)
9.1 Outline
FX3UC Series Programmable Controllers
User’s Manual - Hardware Edition
9.1 Outline
This section explains the CC-Link/LT master function built in the FX3UC-32MT-LT.
9.1.1 Outline of System
The CC-Link/LT is an open network offered to conserve wiring inside panels and equipment.
1. The CC-Link/LT achieves high-speed refresh at 0.3ms for up to 256 points including I/O
points in the PLC main unit.
(When 8 modules are connected in 16-point mode at a transmission rate of 2.5 Mbps)
2. Dedicated connectors can reduce man-hours for wiring. (CC-Link/LT dedicated flat cables,
VCTF cables and high flexible cables are available.)
3. Link devices within CC-Link/LT are assigned to X/Y devices in the PLC, therefore, sequence
programs can be prepared without recognizing the network.
(When remote device stations are used, they are accessed through the buffer memory.)
4. The power supply for the networks is built in.
Remote I/O stations can be connected without power supply adapters or dedicated power supplies.
Built-in type CC-Link/LT master
FX
3UC
-32MT-LT
The trunk length and drop length vary depending on the transmission speed.
64 stations
....... The number of
communication
....... Total extension
distance
For the specification
refer to Section 9.2.
Up to 256 communication points are allowed in the whole system
(including the main unit and extension blocks).
....... For wiring, refer to
Section 9.8.
Important points and
reference
chapter/section
System
Terminating
resistor
Terminating
resistor
Remote I/O
station
Remote I/O
station
Remote I/O
station
Remote I/O
station
Setting for the
master station
Refer to Section 9.9.
....... Setting for the
remote I/O unit
Refer to Section 9.9.
Dedicated
power supply
....... Refer to Section 9.3.
..............................................................................
..
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