1MRS 752264-MUM
4.5.
Motor Protection Relay
Operator's Manual
The table below shows the activation order and the corresponding digit flashing
when a signal is being tested.
Table 4.4.-1
Function test
Number
Function
Alarm of stage θ>
1
Trip of stage θ>
2
3
Start of stage I
4
Trip of stage I
5
Start of stage I>>
6
Trip of stage I>>
7
Start of stage I<
8
Trip of stage I<
9
Start of stage I
10
Trip of stage I
11
Start of stage I2>
12
Trip of stage I2>
13
Trip of stage REV
14
Motor start up
15
External trip
16
Alarm of stage ThA>
17
Trip of stage ThA>
18
Alarm of stage ThB>
19
Trip of stage ThB>
0
IRF
It is also possible to test the output contacts via serial communication using O-
parameters.
Digital input test
This section describes how the availability of signals connected to the digital inputs
can be tested.
To monitor the status of the digital inputs, navigate in the HMI menu as follows:
1. Press an arrow button to access the main menu.
2. Use
or
to select CONFIGURATION in the main menu and press
cursor is at the first menu item, FUNCTION TEST/DI. Press
the test menu.
3. Use
or
to select DI STATUS and press
4. Use
and
to monitor the state of the other four digital inputs.
5. Press
to return the display to the idle mode.
It is also possible to read the state of the digital inputs via serial communication.
>
s
>
s
>
0
>
0
REM 610
. The
again to enter
to see the status of DI1.
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