Modbus Setting; Figure 3.22 Protocol Setting > Modbus Setting - Advantech EKI-1242 Series User Manual

3.5.5

Modbus Setting

To communicate with remote Modbus/TCP slave devices, specify the Modbus
command for each slave device. Each slave device may need more than one
command for communication, so it is necessary to add all the commands manually.
To access this page, click Protocol Setting > Modbus Setting.
The following table describes the items in the previous figure.
Item
Start-up Mode
When Modbus/TCP
error
Submit
The ensuing table for Modbus Commands table settings is for reference only:
Allocated input size, output size, Index, Name, Mode, Slave ID, FC, Address/
Quantity, Trigger, Scan Interval, Data Swap, Response Timeout, I/O Disconnect,
Safe Value, Add (click to add a new transaction), Edit (click to modify existing
transactions), Delete (click to delete existing transactions), Copy (click to copy an
existing transaction) and FlowCtrl Status.
Figure 3.22 Protocol Setting > Modbus Setting
Description
Click the drop-down menu to select the slave device's mode at start-
up: Running or Idle (default: Running).
Click the drop-down menu to select the command to initiate in the
event of an error: Freeze Data or Clear Data.
 Select Freeze Data to continue delivering the data most recently
received from the Modbus-TCP network to the EtherNet/IP
scanner.
Select Clear Data to clear any input entered into the data area

and transmit only zeros to the EtherNet/IP scanner.
Click Submit to save the values and update the screen.
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