Fairbanks X SERIES PR 5410 Process Indicator User Manual
Page 115
Section 4: Commissioning
10/08 115
51207 Revision 1
4.12.6 Function 8: Diagnosis
Command
Device
address
Function
number
Sub-
function
Any value
CRC 16
1 byte
1 byte
2 bytes
2 bytes
2 bytes
Range
1...127
8
0
This function is intended for testing the communication.
Only sub-function 0 is supported.
The received command is sent as a reply.
Command
Device
address
Function
number
Sub-
function
Value of the
command
CRC 16
1 byte
1 byte
2 bytes
2 bytes
2 bytes
4.12.7 Function 15: Writing n Successive Bits
Command
Device
address
Function
number
Address
of the 1st
bit
Number
of bits
Number
of bytes
Value of
bits
CRC 16
1 byte
1 byte
2 bytes
2 bytes
1 byte
n bytes
2 bytes
Range
0...127
15
0...127
8,16, 24
1,2,3...
/
\
1st byte
2nd
byte
3rd byte
- - - - - - - - - - -
Last byte
8th ...
1st
bit
last bit
The bit address must always be the 1st bit of a byte. The number of bits to be read must not be
smaller than 8 and must be a multiple of 8. The address plus the number of bits must not exceed
128.
Example of function 15
Command
1
15
0
64
0
8
1
3
CRC CRC
Reply
1
15
0
64
0
8
CRC CRC
The individual bytes are shown.