Endress+Hauser Liquistation CSF33 - Page 54

Operation Liquistation CSF33
54 Endress+Hauser
Modbus
Menu/Setup/General settings/Extended setup/Modbus
Function Options Info
Enable Selection
• Off
• On
Factory setting
On
You can switch off communication at this point.
The software can then only be accessed via local
operation.
Termination Read only If the device is the last in the bus, you can
terminate via the hardware.
Settings
Transmission Mode Selection
• TCP
• RTU
• ASCII
Factory setting
(Modbus-RS485 only)
RTU
The transmission mode is displayed depending
on the version ordered.
In the case of RS485 transmission, you can
choose between RTU and ASCII . There are no
choices for Modbus-TCP.
Parity
Modbus-RS485 only
Selection
• Even (1 Stopbit)
• Odd (1 Stopbit)
• None (2 Stopbit)
Factory setting
Even (1 Stopbit)
Byte order Selection
• 1-0-3-2
• 0-1-2-3
• 2-3-0-1
• 3-2-1-0
Factory setting
1-0-3-2
Watchdog 0 to 999 s
Factory setting
5 s
If no data transmission takes place for longer
than the time set, this is an indicator that
communication has been interrupted. After this
time, input values received via the Modbus are
considered to be invalid.
Data management
Firmware update
Please contact your local sales office for information on firmware updates available
for your controller and its compatibility with earlier versions.
Current firmware version : Menu/Diagnostics/System information/.
‣
Back up your current setup and your logbooks to an SD card.
To install a firmware update, you must have the update available on an SD card.
1. Insert the SD card into the controller card reader.
2. Go to Menu/Setup/General settings/Extended setup/Data management/
Firmware update .
 The update files on the SD card are displayed.