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77
Technical features
General specifications
75
RS232
72
81
83
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Alarm outputs
(on request)
Number of set-points:
up to 4, independent.
Alarm type:
up alarm, down alarm, with or without latch,
phase asymmetry, phase loss, neutral loss.
Monitoring of the variables:
all the variables listed in the
paragraph “List of the connectable variables”.
Set-point adjustment:
0 to 100% of the electrical scale.
Hysteresis:
0 to 100% of the electrical scale.
On-time delay:
0 to 255 s.
Relay status:
selectable: normally de-energized or normal-
ly energized
Output type:
relay, SPDT, AC 1-8A, 250VAC, DC 12-5A,
24VDC, AC 15-2.5A, 250VAC, DC 13-2.5A, 24VDC
Min. response time:
≤
150 ms, filters excluded, FFT
excluded, set-point on-time delay: ”0s”.
Insulation
: 4000 V
RMS
output to measuring inputs, 4000
V
RMS
output to power supply input. Notes: the outputs can
be either open collector type or relay type (for the relay out-
put refer to the specifications described in the “alarm out-
puts” section).
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Software functions
Password:
numeric code of max. 3 digits; 2 protection lev-
els of the programming data.
1st level:
password “0”, no protection.
2nd level:
password from 1 to 499, all data are protected.
Note: by entering in the programming mode by means of
password, the measurement is inhibited.
Operating mode selection
: direct measurements for the
