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12.3.1. Main Area
Starting from default page:
Button
Action
UP/ DOWN
CURRENT MEASUREMENTS PAGE
iTest
(x1) Protection unit Info; (x2) Circuit Breakers info; (x3) Last Trip Info
12.3.2. Menu Area
The Menu Area has a tree structure that allows the management of the settings and information at various levels.
In the Menu area it is possible to move using the UP, DOWN, ENTER, ESC buttons:
- UP and DOWN for selection of the required option/level/value.
- ENTER button to confirm the selection, to enter the next menu level, to confirm the value changed.
- ESC button to abort the selection, to return to the previous level of menu, to abort the value change.
Level 1
Description
1. Protections
Protection settings
2. Measure-
Reading of Current Measurements,
ments
Trip and Events history
Managing of trip unit settings,
CB settings,
3. Settings
Optional functions,
Module parameters
Check of CB status,
4. Test
test of Trip Coil and display
Trip unit information,
5. About
CB information
The following is a description of the mains 2 level in the Menu area.
12.3.2.1. Changing of parameters
In the Menu Area it is possible to modify all the parameters.
To access to change parameters area, it is necessary to use the PW.
WARNING: To change some parameters only the access PW is required (example: DATE change);
Some parameters need the PW to gain access, and also the confirmation by the user: a special box will appear
where it is possible to enter CONFIRM (to finish updating), ABORT ( to delete updating) or MODIFY (for param-
eter modification).
12.3.3. Protections
The following is a description of all the protection available to the user in the Protections area:
- Protection against Overload (L protection).
- Protection from instantaneous short-circuit (I Protection).
- Self-protection against over-temperature (T protection).
- Load Control function LC1, LC2, Iw (Load Protection).
The PR122/VF unit manages 4 states depending on main protections threshold
(I
, I
if ON), and level of primary current (I
1
3
No Alarm: I
< 0.9 I
f
1
L Prealarm: 0.9 I
< I
< (1.05...1.3) I
1
f
L Alarm: (1.05...1.3) I
< I
< I
1
f
I Alarm: I
> I
f
3
B2342
Model
Level 2
1.1. L Protections
1.2. I Protections
1.3. T Protections
1.4. LC Protections
2.1. Historical
2.2. Contact Wear
3.1.Circuit Breaker
3.2. HW trip
3.3. Modules
3.4 Data logger
3.5 Measure store time
3.6 System
3.7 Display Contrast
4.1 CB Status
4.2 Auto test
4.3 Trip Test
4.4 COM module
4.5 SIGNALLING module
5.1 Protection unit
5.2 Circuit Breaker
):
f
The CB remains close.
The CB remains close.
1
The CB will open for L protection.
3
The CB will open for I protection.
Return to default page
Button UP/DOWN
Button ESC
Description
Set parameters
Enable/disable, and set parameters
Enable/disable Trip
Set parameters 1, 2, Iw
Read Trips, Events Log, Measurements
Read value
Set Frequency, Unit Installation
Enable/disable function
Set parameters
Enable/disable, and set parameters
Set value
Set Date, Hours, Language, Password
Set value
Read CB Status
Perform Display and LEDs test
Perform Trip Coil test
Read CB Status and test Module
Test Module
Read trip unit info
Read CB info
Apparatus
Emax VF
1SDH000909R0001
Doc. no.
Scale
Page No
38/66
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