Enabling Or Disabling The Modbus Master Function (/Mc Option) And Setting Communication Conditions - YOKOGAWA GX20 User Manual

1.22 Configuring the Serial Communication Function (/C2 and /C3 options)
1.22.2 Enabling or Disabling the Modbus Master Function (/MC option) and
Setting Communication Conditions
Path
Description
1-200
GX/GP: MENU key > Browse tab > Setting > Setting menu Communication (Serial)
settings > Modbus master > Basic settings
Web application: Config. tab > Communication (Serial) settings > Modbus master Basic
settings
Hardware configurator: Communication (Serial) settings > Modbus master Basic
settings
Master function
Setup Item
On/Off
On/Off
Select On to use the Modbus master function.
Communication
Setup Item
Interval
Communication timeout
Gap between messages
Interval
Set the data read cycle.
Communication timeout
Set the timeout value for the response from the specified slave when a command is sent
from the GX/GP.
Gap between messages
Set the amount of time to wait after receiving a response to a command to send the next
command.
To connect a UTAdvanced series, set the gap between messages to 20 ms.
Recovery action
Setup Item
Retransmission
Wait time
Retransmission
Set the number of retransmissions when there is no response from the slave device.
Wait time
Set the auto recovery time from communication halt.
Selectable Range or Options
Off, On
Selectable Range or Options
100ms, 200ms, 500ms, 1s, 2s, 5s, 10s, 20s,
30s, 1min
100ms, 200ms, 250ms, 500ms, 1s, 2s, 5s,
10s, 1min
Off, 5ms, 10ms, 20ms, 50ms, 100ms
Selectable Range or Options
Off, Once, Twice, 3 times, 4 times, 5 times,
10 times, 20 times
Off, 5s, 10s, 30s, 1min, 2min, 5min
Default Value
Off
Default Value
1s
1s
Off
Default Value
1
5s
IM 04L51B01-01EN