1306 HEIDENHAIN Technical Manual iTNC 530 HSCI
Power supply unit
Meanings of the
signals under
"supply unit /
status"
Icon Icon Icon Function
Power supply unit
ID Label, see page 1319 tab:
Plug and Play: Whether the device is plug-and-play capable
Device: Designation of the device
Model: Designation of the device type
Serial number: Serial number of the device
ID number: HEIDENHAIN ID of the device
Power supply unit
Status tab:
Status information about various signals, see page 1302
Signal Meaning Colors
DC-link voltage Current value of voltage in [V]
DC-link current Current value of current in [A]
Powerfail The PF
signal shows the status of the
"effective" powerfail signal for the drive
controller. The signal is the result of
gating the PF.PS.ZK
(DC-link powerfail)
and PF.PS.AC (AC fail) signals. The gating
process can be defined in the machine
parameters and in the PLC.
Gray: No information available
Green: Enabled, PF
is inactive
(1-level)
Red: PF is active (0-level): the DC-
link voltage has decreased below
a permissible (inverter-specific)
level or the phase monitoring
responded; no enabling
Powerfail (DC) The signal is generated at the inverter,
and is led via the supply bus to the drive
controller. The input at the drive controller
is displayed. Depending on the wiring,
either this signal or Powerfail (AC) is
relayed on the controller PCB to the
powerfail signal.
Gray: No information available
Green: Enabled: Powerfail (DC)
is
inactive (1-level)
Red: Not enabled: Powerfail (DC)
is active (0-level): the DC-link
voltage has decreased below a
permissible (inverter-specific)
level.
Powerfail (AC) The signal is generated at the inverter,
and is led via the supply bus to the drive
controller. The input at the drive controller
is displayed. Depending on the wiring,
either this signal or Powerfail (DC) is
relayed on the controller PCB to the
powerfail signal. Powerfail (AC) does not
exist for all supply units (e.g. not for UV
130).
Gray: No information available
Green: Enabled: Powerfail (DC)
is
inactive (1-level)
Red: Not enabled: Powerfail (AC)
is active (0-level), phase
monitoring responded, at least
one power supply phase failed
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