8
Measured data
The measured values are presented with the
rightmost three green digits on the display. The
data being presented are indicated by LED
indicators on the front panel.
Indicator
Measured data
U
12
The U
12
voltage measured by the module expressed as a multiple of the rated voltage
of the relay energizing input.
U
23
The U
23
voltage measured by the module expressed as a multiple of the rated voltage
of the relay energizing input.
U
31
The U
31
voltage measured by the module expressed as a multiple of the rated voltage
of the relay energizing input.
Recorded
information
The leftmost red digit on the display indicates
the register address and the three rightmost
digits the recorded information.
Register/ Recorded information
STEP
1
The highest voltage value measured during the start sequence as a multiple of the
rated voltage of the relay energizing input. Any overvoltage stage start erases the old
value and starts a new recording sequence. The recording sequence is stopped on
operation of the overvoltage stage and the highest value during the start sequence is
found in the register.
2
The highest voltage value measured as a multiple of the rated voltage of the relay
energizing input. The register value is updated as soon as the measured value exceeds
the value alredy in the register. Register 2 is erased with a command via the serial port
or by pushing the STEP and RESET push-buttons simultaneously. The registered
value is also erased on loss of auxiliary supply.
3
The lowest voltage value measured during the start sequence as a multiple of the rated
voltage of the relay energizing input. Any undervoltage stage start erases the old value
and starts a new recording sequence. The recording sequence is stopped on operation
of the undervoltage stage and the lowest value during the start sequence is found in
the register.
4
The lowest voltage value measured as a multiple of the rated voltage of the relay
energizing input. The register value is updated as soon as the measured value falls
below the value already in the register. Register 4 is erased with a command via the
serial port or by pushing the STEP and RESET push-buttons simultaneously. The
registered value is also erased on loss of auxiliary supply.
5
Number of starts of the overvoltage stage, n (U>) = 0...255.
6
Number of starts of the undervoltage stage, n (U<) = 0...255.
7
Duration of the latest start event of the overvoltage stage, expressed as a percentage
of the set operate time t>, or, at IDMT mode of operation, of the calculated operate
time. A new start resets the counter which starts recounting from zero. If the stage
has tripped, the counter reading is 100.
8
Duration of the latest start event of the undervoltage stage, expressed as a percentage
of the set operate time t<. A new start resets the counter which starts recounting from
zero. If the stage has tripped, the counter reading is 100.
