8
Also the serial communication parameters are
indicated by the four-digit display. The address
of the data to be displayed is indicated by the red
digit at the extreme left of the display.
Red digit Data to be displayed
A Serial communication address. May have a value within the range 0…254.
The default value is 99.
b Serial communication baudrate. May have values 4.8 or 9.6 kBd.
The default value is 9.6 kBd.
C Serial communication monitor. If the device is connected to a data communicator
and the communication system is operating the monitor reading is 0, otherwise the
numbers 0…255 are rolling in the display
Continuous display of one measured value or
automatic display switch-off after a 5 minutes
timeout can be selected.
Fig. 5. Display menu of the control module SPTO 1D2.
Current in phase L1 / kA
Current in phase L2 / kA
Current in phase L3 / kA
Active power / MW
Reactive power / Mvar
1
Energy / GWh
Energy / MWh
2
3
Energy / kWh
Serial communication
address
A
Data transfer rate / kBd
b
Serial communication
monitor
C
Display off
Reverse step 0.5 s
Forward step 1 s
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