Automation Tab
Revised 2017-08-31
Modbus
Drawing No. LP0997-C
- 186 -
Sixnet
®
Series SN/RAM
®
6000 & RAM 9000 Software Manual
Station Name (Required):
Enter the name of the remote station. The remote station name must be less than
or equal to 32 characters. All the defined remote station names will be populated in the I/O Transfer screens as
a selection for assigning I/O transfer for selected remote station name.
Station Number (Required):
Enter the remote station number. The station number must be in range of 1-247.
Values may be duplicated for other station as long as the station can be uniquely addressed by an IP address
or is connected on a serial port
. Note:
0 is a broadcast address. 248-255 are reserved addresses.
Connection Type:
Select the remote connection via the drop down. Available options are IP and Serial.
Remote IP Address (Required):
Enter the remote station IP address in a valid IPv4 unicast address format,
or it may be blank if I/O transfers to this remote station only use the serial port.
Remote IP Port (Required):
Enter a valid IP port number (1-65535) that the remote station listens on for
MODBUS requests.
Take care to choose a port number not already used by other system services. View S
tatus
Network
Socket
Statuses
TCP
Only for a list of ports currently in use. Please note that a Firewall Allow rule will need to be
added for remote access (
Network
Firewall
Port Allow/Forwarding Rules
Service Access Rules
).
Message Timeout (ms) (Required):
Enter the Timeout period, in milliseconds, to wait for an I/O transfer to
complete. The valid range is 10ms-60000ms.
Message Retries (Required):
Enter the number of times to retry an I/O transfer before giving up. If a station
status bit is provided, it would be marked off line when this occurs. The recommended value is 3.
Station Online Address:
Discrete input address is used as a station status indicator. If provided, it is set to
True when any I/O transfers to a remote station complete successfully, and false otherwise. Enter the Address
of a local discrete input or blank if not used.
Click on the
Finish
button to populate the Modbus Remote Station Table. If more stations are needed, click on the
Add
button and enter the required field for each station.
To edit a
Remote
Station, select the station in the table and click on the edit button. To delete an existing station,
select the station in the table and click on the
Delete
button.
Click on the
Save
button for changes to be saved without activating the interface until you reboot the unit, the
Apply
button will save your settings and apply them immediately. To revert to the previous defaults, click on the
Revert
button.