Recorded Information (Modified 2000-02) - ABB SPAC 531 C User Manual And Technical Description

Recorded
information
(modified 2000-02)
10
The leftmost red digit displays the register ad-
dress and the other three digits the recorded
information.
Register/ Recorded information
STEP
1 Measured I
negative sign, a red minus sign appears in the leftmost position in the display. If the
measured value exceed 100% x I
The register is updated when one of Iϕ> or Iϕ>> protection stages starts or operates.
When the relay starts but does not operate, the relay module memorizes the
maximum Iϕ during the start situation. A second exceeding of Iϕ> or Iϕ>>
protection stage will erase previously recorded value and starts to record a new
maximum U
of operation is recorded.
2 Measured residual voltage U
measured value exceed 25% of the rated voltage, the recorded value is expressed as
2 - - -.
The register is updated when one of Iϕ> or Iϕ>> protection stages starts or operates.
When the relay starts but does not operate, the relay module memorizes the
maximum U
protection stage will erase previously recorded value and starts to record a new
maximum U
of operation is recorded.
3 Number of times the set start value of the residual voltage has been exceeded,
n (U ) = 0...255.
0
4 Number of starts of the low-set stage Iϕ>, n (Iϕ>) = 0...255.
5 Number of starts of the high-set stage Iϕ>>, n (Iϕ>>) = 0...255.
6 Duration of the latest start event of stage Iϕ>, expressed as a percentage of the set
operate time t>.
Any new start resets the counter which starts counting from zero. If the stage
operates, the register value 100.
7 Duration of the latest start event of stage Iϕ>>, expressed as a percentage of the set
operate time t>>.
Any new start resets the counter which starts counting from zero. If the stage
operates, the register value 100.
8 Measured neutral current I
measured value exceed 100% of the rated current of the relay input, the recorded value
is expressed as 8 - - -. The operation principle is the same as that of register 2. *)
*) From the program version 068 D (012 F) and later version this register 8 has been
incorporated into the relay module.
sinϕ or I cosϕ value as a percentage of the rated current. If Iϕ has a
0 0
, the recorded value is expressed as 1- - - or - - - -.
n
value. When a stage operates, the value of Iϕ measured at the moment
0
value as a percentage of the rated voltage U
0
during the start situation. A second exceeding of Iϕ> or Iϕ>>
0
value. When a stage operates, the value of U
0
value as a percentage of the rated current I
0
. If the
n
measured at the moment
0
. If the
n