Parameter

Description

MODBUS on Ethernet

Setting for Ethernet connection.

Default: active

Address

IP adress of the target Modbus device.

Default: 127.0.0.1

Port

TCP/UDP port of the target Modbus device.

Default: 502

Protocol

Protocol operating mode.

Settings:

• TCP - Open MODBUS
• UDP - MODBUS RTU
• UDP - Open MODBUS

Default: TCP - Open MODBUS

Serial MODBUS-RTU

Setting for Serial connection.

Default: inactive

Com. port:

Setting for the Com. port.

Use the following syntax:

PC port:Baudrate,Parity,Databit,Stopbit

Example: COM3:19200,N,8,1

Pc port: Identifier of the COM port on the PC.

Baudrate: 110 - 256000 bits per second

Parity: N (none) or E (even) or O (odd)

Databit: 8 (default)

Stopbit: 1 (default)

Default: empty

Delay between requests

Area for delay settings.

Delay (ms)

Delay time before sending a new request after receiving the response for the last request.

Default: 0

Try to reconnect after communication error

Activates/deactivates automatically reconnection in case of communication error.

Default: active

Manage diagnostic info for slaves

Activates/deactivates the diagnostic info for slaves in case of Serial communication.

If active, the following diagnostic variables can be managed from the Master:

• Reset counters
• Slave: last error
• Slave: last error date stamp
• Slave: last error time stamp
• Slave: last reset date stamp
• Slave: last reset time stamp
• Slave: translation counter
• Slave: failed translation counter
• Slave: reset counters

If the property is not activated, the performance is a little bit higher and less memory space is used.

Default: active

Disabled (do not open and manage this port)

Disables the connection, if active.

Default: inactive

Option

Description

OK

Applies settings and closes the dialog.

Cancel

Discards all changes and closes the dialog.

Help

Opens online help.

Other topics in this chapter

TLS Parameters

Add Modules dialog

Device dialog

New module dialog

New variable dialog

Security query dialog

Master/port configuration

IEC 61131-3 Automation platform > Drivers - Fieldbus configuration > MODBUS Master > Fieldbus configuration > Settings in the fieldbus dialogs > Master/port configuration