P3F - Pakscan Master Station Technical Manual
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Publication S703E V1.1
Issue 06/09
5.5.5
Master Station Data Logger
The data logger displays Modbus instructions received by the master station to carry out commands
such Alarm Accept or commands to move a valve. Each event is prefixed by a date and time and they
are listed in time order. They are followed by the source from which the command originated. Once full
the log rolls over and rewrites over the oldest events, the log is 1Mbyte in size.
Date and Time
Formatted Day/Month/Year or Month/Day Year
Modbus Message
Standard Modbus RTU format for all ‘write’ messages
Message Source and Address
Ethernet
: Ethernet input and IP address of the source.
RTU
: Serial port 1 (RTU 1) or serial port 2 (RTU 2).
Webpages
: Webpage Log In name and IP address.
Fig 24: Master Station Data Logger
Master Station
Events
Controls
This screen is accessible to Read, Write and Administration user levels.
Date and Time
Modbus Message
Message Source/Address
Fig 25: Data Logger Information
Close pop up
