L2234
Emax
68/158
Model
Scale
Page No.
Doc. No.
Apparatus
1SDH000460R0002
L2778
13.5.3 Measurements Menu
For a complete description of the functions of the PR120/V module, see par. 15.1.
The following is a summary of the parameters accessible from the menu in the PR122/P unit.
13.5.3.1
Measurements Menu table
Setting
Parameter / Function
Values
Notes
Historicals
Trips
Last trips (20)
Events
Events log (80 events max.)
Measurements
I Max
Current
Reset measurements
Peak
factor
Contact wear
Percentage of wear on CB contacts
13.5.4 Settings Menu
The configuration parameters in the Settings menu are password protected. Among the most
significant values you can select, note the neutral threshold (values 50%, 100%, 150%, 200%), the
external toroid size (values 100A, 250A, 400A, 800A), the mains frequency at the installation (values
50Hz, 60Hz). For a more detailed description of the settings for the modules, refer to the
documentation on the modules (ch. 15).
1/5
Protections settings
Measurements
Protections
Menu
Settings
1/8
Circuit breaker settings
Main Frequency
Modules
Circuit Breaker
Settings
2/3
Neutral settings
Neutral Protection
Unit installation
Ground protection
Circuit Breaker
On
Neutral threshold
Enable
Neutral protection
2
1/2
Enter
↵
Enter
↵
+ PWD
Parameter / Function
Values
Notes
Circuit
*Neutral protection
breaker
Enable
ON/OFF
Neutral threshold
50%-100%-150%-200%
Ground protection
Said protection is provided only
in the event of an external toroid being used
External toroidal transformer
Absent, SGR, Rc
Toroid size SGR
Mains frequency
50Hz - 60Hz
Modules
Module
PR120/V - Measuring
if any
see par. 13.5.4.4.1
PR120/D-M - COM
if any
see par. 13.5.4.4.2
PR120/K - Signalling
if any
see par. 13.5.4.4.3
Local Bus unit
Absent - Present
Data logger
Enable
ON/OFF
Sampling frequency
Stop event
Stopping delay
Restart
Stop
Measurement
from 5 to 120 min, step 5 min
interval
Harmonic
ON/OFF
The warning indicates that the distortion exceeds
distortion
factor 2.1
13.5.4.1
Settings Menu table
* With the three-pole circuit breaker, the “3P+N” option is displayed and must be enabled if the outside neutral is installed.