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6. Appendix
Voltage/temperature monitoring sequence
The following diagram shows the voltage/temperature monitoring sequence when Mode Switch
(DIP-SW) No.2 is turned off.
When Mode Switch (DIP-SW) No.2 is turned on, the voltage/temperature monitoring sequence is not
executed.
Power supplied
Mode SW
No.2 ON? *1
No
Abnormal
voltage?
No
Is the internal
temperature
0°C or more?
No
Heater OFF
Power already
supplied to CPU?
No
Heater ON
StatusLED flashing *3
*1
When Mode Switch (DIP-SW) No.2 is turned on (Factory setting OFF)
*2
Flashing in a cycle of 4 second
*3
Flashing in a cycle of 2 - 0.3 second
Figure 6.2. Voltage/Temperature Monitoring Sequence for Activation Control Microcontroller
66
Yes
Power supplied
to CPU
Yes
Heater OFF
StatusLED flashing *2
Yes
Power already
supplied to CPU?
Yes
Yes
No
Power supplied
to CPU
IPC-BX800 Series User's Manual
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