3 setting the voltage range, Voltage range, Voltage range setting – Yokogawa PR300 Power and Energy Meter User Manual
Page 20: Setting the voltage range -4

2-4
IM 77C01E01-01E
2.3
Setting the Voltage Range
This section explains how to set the voltage range by taking as an example the case when the voltage
range is changed from 300 V to 600 V.
Operation
Operation
Hold down
for at least 3 seconds.
Turn on the PR300.
The Specification
Change Confirmation screen
appears.
Measured Value screen
Startup screen
VT Ratio screen
2
1
3
Phase and Wire System screen
6
Specification Change
Confirmation screen
Specification Change
Confirmation screen
4
Press once.
The parameter (VT ratio)
appears.
The PR300 shows the station
number for about 5 seconds,
then the Measured Value screen
appears.
The Phase and Wire System
screen appears.
The Voltage Range Setting
screen appears.
The Voltage Range screen
appears.
Voltage Range screen
7
5
Using or
,
show the Voltage
Range screen.
Voltage Range Setting screen
Voltage Range Setting screen
Voltage Range Setting screen
8
9
10
Current value
Setpoint
Press once.
Parameter symbol
for voltage range
Press once to
blink the setpoint.
Press once while
the setpoint is blinking.
Simultaneously hold
down +
for at least 3
seconds.
Using or ,
show on the
lower display.
Using or ,
select the setpoint.
To re-set the parameter:
Press any key other than
while all digits of the
setpoint are blinking.
The PR300 returns to the initial
setting screen.