B.2.6 Function Codes - GE Multilin W650 Instruction Manual

APPENDIX B
CODE MODBUS
NAME
HEX DEC
03 3 Read Holding
Registers
04 4 Read Input
Registers
10 16 Preset Multiple
Registers
GEK-113032A
W650 COMMENT
DEFINITION
Reading of any Any of these two functions allow the master to read 1 or more consecutive relay
value addresses. Registers are always 16-bit long with the most important byte first. The
maximum number of registers that can be read in a single package is 125, equivalent
Reading of any
to 250 bytes.
value
Writing This function allows writing 1 or more registers representing one or more settings.
Registers are 2-byte long values, transmitted with the most important byte first. The
maximum number of registers to be written in a single package is 125.
W650 Wind Generator Protection System
B.2 MODBUS W650

B.2.6 FUNCTION CODES

B-7
B