350 FEEDER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
iii
7. TIME PROTOCOLS
IEC 1588 Precision Time Protocol (PTP)....................................................................7 - 1
Real Time Clock .........................................................................................................................7 - 1
8. MODBUS MEMORY
MAP
MODBUS memory map ...................................................................................................8 - 1
Format Codes ......................................................................................................................8 - 63
9. MODBUS
FUNCTIONS
Function Code 03H............................................................................................................9 - 1
Function Code 04H............................................................................................................9 - 2
Function Code 05H............................................................................................................9 - 3
Function Code 06H............................................................................................................9 - 4
Function Code 07H............................................................................................................9 - 4
Function Code 08H............................................................................................................9 - 5
Function Code 10H............................................................................................................9 - 6
Error Responses..................................................................................................................9 - 7
Force coil commands.......................................................................................................9 - 7
Performing Commands Using Function Code 10H............................................9 - 8
10. USING THE
MODBUS USER MAP
MODBUS User Map............................................................................................................10 - 1
11. APPENDIX
Warranty ................................................................................................................................11 - 1
Change notes.......................................................................................................................11 - 1
Manual Revision history ........................................................................................................11 - 1
Содержание ML Series 350
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