Allen-Bradley Bulletin 1203 Series User Manual page 61

EE Memory Functions
The EE Memory Functions message activates the specified EE
functions.
PLC Block Transfer Emulation Instruction Data
PLC request instruction length: 4 words
Drive response instruction length: 3 words
Message Structure
PLC Request
Message Length
Header Word 1
4
PLC Decimal Value
Header Word 2
–31998
0 Header Word 3
EE Command Header Word 4
Value EE Command
00 Not Used
01 EE Save
02 EE Recall
03 EE Default Initialize
Message Operation
The EE memory function allows three different message requests:
EE Save saves parameter information from the working memory
or RAM to EEPROM.
EE Recall retrieves the last saved data from EEPROM and places
it in the working memory or RAM.
EE Default Initialize clears the RAM and EEPROM and sets all
parameter values to default.
If an error has occurred, word 2 of the response returns a value of
–31998.
Block Transfer Emulation Instructions
Drive Response
Message Length
3
PLC Decimal Value
770 –– Message OK
–31998 –– Message Error
0
5–13
Header
Word 1
Header
Word 2
Header
Word 3
1203–5.5 September 1995