Table of Contents
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Diagnostics
Energy calculation
Type of connection and
controllable load
(selection via DIP switch)
FUNCTIONS
General
Current reading
Voltage reading
Visualisation
Counter reset
with GPC-M only
with GPC-M + GPC-E1
with GPC-M + GPC-E1 +
GPC-E2
81900A "MHW_GPC-40/600A"_03-2021_ENG_page 90
•
Timed softstart ramp, with or without peak current
control.
•
Softstart ramp, specifically for infrared lamps.
•
Time-controlled switch-off ramp.
•
RMS load current limitation.
•
Delay-Triggering 0-90° for firing inductive loads in ZC
and BF mode.
•
SCR short circuit (current presence with OFF command).
•
No line voltage.
•
No fan power supply.
•
No current due to open SCR/disconnected load.
•
Over-temperature alarm (from the power module, power
cable terminals or fuse).
•
HB alarm from an interrupted or partially interrupted
load.
•
Automatic calibration of the HB alarm threshold based
on the current level in the load.
•
Load short circuit or overcurrent alarm
•
Three-phase line unbalanced.
•
Incorrect phase rotation in three-phase load configura-
tion.
Total energy value supplied to load with local display via
terminal and remote acquisition via fieldbus
Local via terminal or remote acquisition via fieldbus.
Yes
1 single-phase load
2 single-phase loads, or
only in ZC and BF trigger modes:
1 three-phase closed delta load controlled on two phases,
or
1 three-phase star load without neutral controlled on two
phases
3 single-phase loads, or
3 independent single-phase open delta loads, or
1 three-phase open delta load, or
1 three-phase closed delta load, or
1 three-phase star load with neutral, or
1 three-phase star load without neutral
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