Mitsubishi FX3U-485-BD User Manual

B-58
FX Series PLC User's Manual - Data Communication Edition
N:N Network
10 Related Data
10.2 Details of Related Devices
4. Cautions on use
1) Cautions on using FX1S and FX0N PLCs
When FX
1S and/or FX0N PLCs are included in the system, make sure to set the refresh range to pattern
0.
If any other pattern is selected, data transfer error will occur in all FX
1S and FX0N PLCs included in the
system, and the link time will become longer.
2) Occupied devices
The devices used in each pattern are occupied for the N:N Network in all stations.
Make sure that such devices are not used in general programs.
10.2.13 Number of retries [D8179]
Set a value ranging from 0 to 10 to the special data register D8179 (initial value: 3).
1. Stations requiring program setting
The master station requires program setting, and slave stations do not require program setting.
2. Detailed contents
When any response is not given after the specified number of retries, the irresponsive station is regarded as
having a data transfer sequence error by other stations.
10.2.14 Monitoring time setting [D8180]
Set a vale ranging from 5 to 255 to the special data register D8180 in "10 ms" units (initial value: 5 [50 ms]).
1. Stations requiring program setting
The master station requires program setting, and slave stations do not require program setting.
2. Detailed contents
If data transfer between the master station and a slave station requires time longer than the monitoring time
set here, the master station or slave station is regarded as abnormal.
10.2.15 Present link scan time [D8201] [D201]
This device stores the current value of the network cycle in the N:N Network (unit: 10 ms).
1. Stations requiring program setting
The master station requires program setting.
2. Detailed contents
The device used varies depending on the FX Series.
3. Cautions on use
Do not change the preset numeric value using a program or programming tool.
FX Series Data transfer sequence ON
FX
1N, FX2N, FX3G,
FX
3U, FX1NC, FX2NC,
FX
3UC
D8201
FX
0N, FX1S D201

Mitsubishi FX3U-485-BD Specifications

General

Brand	Mitsubishi
Model	FX3U-485-BD
Category	Controller
Language	English