Meaning Of The Leds Of The Power Supply Units - HEIDENHAIN TNC 410 M Technical Manual

6.1.13 Meaning of the LEDs of the Power Supply Units

UV 120
LED Meaning
AC FAIL Phase missing
AXES Safety relay for axes on
I >> Warning signal to control at I
DC LINK
I >> Error current, e.g. through ground fault;
LEAK
warning signal to control
NC RESET Reset signal from control to power supply
unit
POWER FAIL U
Z
V)
POWER RESET Reset signal from power supply unit to
control
READY End stage ready (only for service purposes)
READY UV Power supply unit is ready
RESET Reset for end stage (only for service
purposes)
SPINDLE Safety relay for spindle on
TEMP >> Temperature of heat sink too high (> 95 °C)
U >> U
DC LINK Z
modules are switched off
U Main contactor on
DC LINK ON
a. A further increase of around 10% results in the drives being switched off.
6 – 16
too low, U < 410 V (e.g. line power < 290
Z
too high (> approx. 800 V); power
HEIDENHAIN Technical Manual for Inverter Systems and Motors
Signal direction Signal
UV → LE, CC
–
a
UV → LE, CC
> 52 A
Z
UV → LE, CC
LE, CC → UV
UV → LE, CC
UV → LE, CC
–
UV → LE, CC
–
–
UV → LE, CC
UV → LE, CC
–
PF.PS.AC
–
ERR.IZ.GR
ERR.ILEAK
RES.LE
PF.PS
RES.PS
–
RDY.PS
–
–
ERR.TEMP
ERR.UZ.GR
–