Festo EMCA-EC-67 CO Series, Описание

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3 EtherCAT with FHPP
Festo – EMCA-EC-C-HP-EN – 2017-11e – English 77
3.10 Load and save parameter sets
3.10.1 Object 20F1
h
: EEPROM command
Via the object, the default parameter set (factory setting) is loaded into RAM as the current parameter
set and into permanent memory as an application parameter set or the current parameter set (RAM) is
backed up into the application parameter set (permanent memory).
The object can only be used when the output stage is switched off.
Index Name Object
code
Data
type
Ac­
cess
PDO
map­
ping
Value
range
Default value
20F1
h
EEPROM command ARRAY – – – – –
00
h
Number of entries VAR UINT8 ro no – 2
h
01
h
Restore factory settings VAR UINT32 wo no – 1
h
02
h
Save object values VAR UINT32 wo no – 1
h
Tab. 3.60 Object 20F1
h
For this, sub-indexes must be described with the ASCII text as a hexadecimal numeral.
Object Signature LSB MSB
20F1_01
h
ASCII (load) l o a d
Hex (64616F6C
h
) 6C
h
6F
h
61
h
64
h
20F1_02
h
ASCII (save) s a v e
Hex (65766173
h
) 73
h
61
h
76
h
65
h
Tab. 3.61 ASCII text
In contrast to the normal SDO traffic, with this object the command is immediately acknowledged at the
start of processing. The internal storage cycle for saving the data can take some seconds. During this
time, no additional SDOs can be processed. Until the internal saving cycle is ended, sent SDOs are
answered with Generic error.