Internal Power Supply And Housing Fan - HEIDENHAIN iTNC 530 Service Manual

3.3.8 Internal power supply and housing fan

Via the PLC you can capture and evaluate the current values of the internal power supply and
the speed of the housing fan.
The permanent speed monitoring (speed > 1500 min
switched off with MP4020 bit 13.
Module 9133 Output of hardware information
Call:
PS
CM
PL
Error recognition:
Markers Markers
M4203
W1022
MP4020
Format:
Input:
July 2010
B/W/D/K <>Mode>
0: Internal temperature sensor in [°C]
1: Temperature CPU1 (basic PCB) in [°C]
2: Temperature CPU2 (additional PCB) in [°C]
3: Voltage of buffer battery in [mV]
4: 5-V supply voltage of main board in [mV]
5: 3.3-V supply voltage in [mV]
6: Rotational speed of the housing fan in [min
9133
B/W/D <>Value>
Markers
0 Value was determined
1 Error code in W1022
2 Invalid number given
8 No second CPU present (for code 2)
PLC Functions
%xxxxxxxxxxxxxx
Bit 13 – Monitoring the housing fan of the MC/CC
0: Monitoring active
1: Inactive
-1
) of the housing fan of the MC/CC can be
-1
]
3 – 675