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Status indication X11: DO
n
2L+
–
LED (green)
Supply voltage available for DO
n
.0 ... .7
–
LEDs (green)
Q+0.0 ... Q+0.7
The according LED is on at active output
n
F
–
LED (red)
Overload or short circuit error
4.2.4 Memory management
The CPU has an integrated memory. Information about the capacity of the memory may
be found at the front of the CPU. The memory is divided into the following parts:
n
Load memory 1MB
n
Code memory (50% of the work memory)
n
Data memory (50% of the work memory)
n
Work memory 128kbyte
–
There is the possibility to extend the work memory to its maximum printed
capacity 1MB by means of a memory extension card.
4.2.5 Slot for storage media
At this slot the following storage media can be plugged:
n
SD respectively MCC (
M
ulti
m
edia
c
ard)
–
External memory card for programs and firmware.
n
MCC -
M
emory
c
onfiguration
c
ard
–
External memory card (MMC) for programs and firmware with the possibility to
unlock additional work memory.
–
The additional memory can be purchased separately.
storage media - MMC, MCC’ page 70
–
To activate the corresponding card is to be installed and an
Overall reset
is to be
Chap. 5.12 ‘Overall reset’ page 65
Memory
VIPA System 300S
+
Hardware description
Structure > Slot for storage media
HB140 | CPU-SC | 312-5BE23 | en | 18-45
29