Yokogawa Removable Chassis DX1000N - Manual (Page 70)

1-62
IM 04L41B01-17E
Checking the Modbus Operating Status
Displaying the Modbus Operating Status
◊ Press DISP/ENTER and select INFORMATION > MODBUS CLIENT.
Note
To display MODBUS CLIENT on the screen selection menu, you need to change the setting
using the menu customize function. The operation is as follows:
◊ Press
MENU (to switch to setting mode), and select the Menu tab > Menu customize >
Display menu
1. Select INFORMATION > MODBUS CLIENT
2. Press the View soft key.
Host name or IP address of the server device
Register number
DX channels
Detail code
Status lamp
Communication condition
Cursor to select a command
(Used when resuming command transmission
to a server device using the front panel keys)
• Communication Conditions
The Read cycle and Connect.retry settings are displayed.
• Communication Status
The communication status is displayed using the status lamp and the detail code.
Status Lamp Detail Code Meaning
Green Good Communication is operating normally.
Yellow Command is readying.
Orange Trying to establish a TCP connection.
Red Communication is stopped.
Common to yellow,
orange, and red
None No response from the server device.
Func The server device cannot execute the command from
the DX.
Regi The server device does not have the specified register.
Err There is an error in the response data from the server
device.
Link Ethernet cable is disconnected.
Host Unable to resolve the IP address from the host name.
Cnct Failed to connect to the server.
Send Failed to transmit the command.
BRKN Failed to received the response data or detected a
disconnection.
(Space) The detail code is not displayed until the status is
confirmed when communication is started.
1.10 Using the Modbus Client Function