GE Industrial Solutions Entellisys 4.0 Integrator's Guide User Manual
Page 31
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Supported function codes
31
2
Master and Slave Device Packet Transmission Example
MASTER TRANSMISSION
PACKET FORMAT
EXAMPLE (HEX)
SLAVE ADDRESS
11
FUNCTION CODE
04
DATA STARTING ADDR - hi
40
DATA STARTING ADDR - lo
50
NUMBER OF REGISTERS - hi
00
NUMBER OF REGISTERS - lo
03
CRC - lo A7 DATA #2 - lo
A7
CRC - hi 4A DATA #3 - hi
4A
SLAVE RESPONSE
PACKET FORMAT
EXAMPLE (HEX)
SLAVE ADDRESS
11
FUNCTION CODE
04
BYTE COUNT
06
DATA #1 - hi
00
DATA #1 - lo
28
DATA #2 - hi
01
DATA #2 - lo
2C
DATA #3 - hi
00
DATA #3 - lo
00
CRC - lo
0D
CRC - hi
60
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