56
(a) Operating procedure
This section describes the procedures for the automatic CC-Link startup.
Execute this function after completing all the wiring.
1.
Set the startup mode switch of the bridge module to AUTO.
2.
Power on the module of the CC-Link remote station.
3.
Power on the bridge module.
4.
The RUN LED and L RUN LED on the CC-Link side turn on.
5.
Power on the master station.
6.
CC-Link is started and the data is refreshed.
●
Always power on the CC-Link remote station module first. If the bridge module is powered on first, the CC-Link remote
station is not recognized in the automatic CC-Link startup.
●
If the station is not connected to the CC-Link remote station or not recognized upon automatic CC-Link startup, such
station number is recognized as an unconnected station. Accordingly, when 64 CC-Link remote stations are not
connected, the ERR.LED on the CC-Link side flashes. To check whether a connecting station is performing data link, use
Data link status of other stations on CC-Link (RWr8 to RWrB).
●
Always perform the line test to all the stations whenever the system is changed due to the module replacement or other
reasons after performing the automatic CC-Link startup. If a station with the start station number used for another station
is returned, a station already performing data link (only a station having a station number in use error) may be
disconnected.
(b) Precautions
• If the automatic CC-Link startup is executed in the following conditions of the CC-Link remote station, the
bridge module cannot recognize the CC-Link remote station, resulting in a data link failure.
• Temporary error invalid stations cannot be used with data link established through the automatic CC-Link
startup. Start CC-Link with the slave station information saving function.
Item
Description
Action
Transmission
speed mismatch
The transmission speed set for the bridge module
is different from that for the CC-Link remote
station.
Set the transmission speed of the bridge module
and the CC-Link remote station properly. (
Error in number
of connected
modules
The total number of CC-Link remote stations or
connected modules is outside of the specifications
range.
Adjust the number of CC-Link remote stations and
connected modules within the range of the
specifications. (
Station number in
use error
The same station number is used for multiple CC-
Link remote stations.
Set the appropriate station number for the CC-Link
remote station.
Cable error
The CC-Link dedicated cable has an error.
• Check the cable for disconnection, short circuit,
incorrect wiring, poor contact, and usage not
meeting the specifications (transmission
distance, station-to-station distance, coexistence
of different types of cables, and FG connection).
• Check if a transmission cable other than a CC-
Link dedicated cable is used.
Содержание NZ2GF-CCB
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