User Manual

12/06 AWB2724-1584GB
Memory card (MCC)
13
Memory card (MCC)
The memory card is used for data storage and supports the FAT16
file system.
Memory card data
On the memory card you can save the following data:
A brief description of the browser commands is provided from
page 59.
Data access on the memory card
Functions such as FileOpen or FileRead allow you to access the
files of the memory card from the user program. These functions
are provided in the library EC_File.lib and are described in the
Function Blocks manual (AWB2786-1456GB).
RUN/STOP/SF and CAN/NET LEDs
After power up, the CPU can switch to the following states, as
indicated by the LEDs:
Table 3: LED status signals
If the CPU is in RUN status, the CAN/NET LED indicates the
following states:
Table 4: LED status signals for CAN/easy-NET
Data
Transfer method
Boot project Browser command: copyprojtommc
Startup.INI file Browser command: createstartupini
Operating system (OS) Updating the OS, a page 56
Source code of the
project
Online mode/Online menu: load source
code
General data
Online mode/Online menu:
Write file to PLC
Load file from PLC
h
Caution!
In order to avoid any loss of data, ensure that you have
closed all files of the program before removing / inserting
the memory card or switching off the power supply.
LED Meaning/CPU status
RUN/STP/SF CAN/NET
Red Red1) System test being run (up to 6 seconds after
start; after 6 seconds if no user program is
present).
CPU in NOT READY!
Orange Orange1)
System update in progress
Red Off
1)
System test finished without error
Red
Flashing
Red
Flashing
1)
System test found a fault
Orange Off No user program present
CPU in NOT READY
Green
Flashing
– User program loaded
CPU in STOP
Green –
User program loaded
CPU in RUN
Red – Cycle time exceeded
CPU in STOP
Orange
Flashing
–
Continuous loop detected in program
CPU in STOP
Red
Flashing
Red
Flashing
Fatal error
1) LED is only relevant during startup/system test
LED Meaning
RUN/STP/SF CAN/NET
Green Off Communication not active
Green Red Bus status STOP
Green Orange
Bus status PREOPERATIONAL
Station can be initialised, no transfer of
process data
Green Green
Bus status OPERATIONAL
Process data transferred