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Hardware description
Structure > LEDs
3.2.3 Memory
Internal memory
Slot for Yaskawa SD card
3.2.4 Buffering mechanisms
3.2.5 LEDs
1
2
4
48
The CPU has an integrated memory. You will find information on the memory sizes in the
Ä Chap. 3.3 'Technical data' page 54
technical data.
The memory is divided into the following parts:
n
Working memory for temporary data and parts of the user program.
n
Parametrization memory for current firmware and overlay file system with firmware
adjustments, user program and data.
n
Non-volatile memory for retentive data.
Ä Chap. 4.5 'Memory management' page 67
The CPU has a slot for a Yaskawa SD card. Here you can use a Yaskawa SD card as
external memory and transfer the overlay file system of the CPU to the card.
Ä Chap. 4.5.2 'Slot for Yaskawa SD card' page 69
n
The iC9200 Series CPU has a capacitor-based mechanism to buffer the internal clock
in case of power failure for max. 28 days.
n
The retentive data defined during configuration are automatically saved in the non-
volatile memory in the event of a power failure.
LED bar 1
1
LED bar 2
2
Status LED
3
LEDs RJ45 jacks
4
LED power supply
5
and
are located under the front flap.
1
2
3
5
HB700 | CPU | PMC921xEx | en | 23-06
iC9200 Series
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