L2234
Emax
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Model
Scale
Page No.
Doc. No.
Apparatus
1SDH000460R0002
L2778
13.5.4.4.2 PR120/D-M - COM module
The local or remote modes can be selected after entering a password. The serial address can be displayed after entering a password. The Baud
Rate can be set on the values 9600 and 19200 bit/s. The physical protocol provides for the options: (8,E,1), (8,0,1), (8,N,2), (8,N,1). The addressing
can be selected as standard Modbus or ABB. For further information on the PR120/D-M communication module, see paragraph 15.2 in this manual.
13.5.4.4.3 PR120/K - SIGNALLING module
For a thorough examination of the signalling module, refer to the corresponding section of the module, paragraph 15.3.
13.5.4.4.4
PR120/D WL-COM module
This module is for wireless communication based on the Bluetooth standard between the PR122/P protection release and a hand-held PC (PDA)
or a laptop with a Bluetooth port. For further information, see the description of the module in paragraph 15.4.
13.5.4.4.5 Settings for the Local Bus unit
If the PR021/K unit is connected, you need to enable the local bus by selecting present.
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Communication parameters
COM module
SIGNALLING module
MEASURING module
Modules
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Local
Serial Address
Baudrate
Local / Remote
COM module
13.5.5 Test Menu
Access to the Test menu is password protected.
The menu shows the state of the CB, in the dialog module (COM module) the state of the springs and the position of the CB, and in this submenu
you can make the CB open or close.
Using the "Trip Test" function lets you view the disabling/enabling of the Trip. If it is enabled, the circuit-breaker is opened. The function is only
available with a busbar current of nil (use Vaux, PR030/B or PR010/T).
On the page, only with Vaux, you can also see the state of the circuitbreaker "STATUS", and thus make sure that the input is correctly wired.
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Device test
Settings
Test
Measures
Menu
Password
Enter password
0***
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CB open
Auto Test
Trip Test (disabled)
CB status
Test
Enter
↵
Enter
↵
The surfing path is summarized in the following table:
13.5.5.1
Test Menu table
Parameter / Function
Values
Notes
CB status
Open/Closed/Indefinite
Indefinite in case of fault only
Auto Test
Trip Test
Enabled/Disabled
PR120/D-M
State of springs
Loaded/Unloaded
Module
Position of CB
Isolated/Withdrawn
Open CB
Close CB
PR120/K
Input
ON
Module
Auto Test
- - -
Zone
Protection S
selectivity
(status) Input
ON/OFF
Force Output
Release Output
Protection G
(status) Input
ON/OFF
Force Output
Release Output
