Omega DP41-B Series User Manual page 92

Value -100:
Desired
Values:
ADDRESS
-100
st
1 command
(for absolute
value)
nd
2 command
(for Sign &
dec. point)
Figure 8.5: Write (3 Data bytes) Commands Sample via
8 Diagnostic command.
This command echoes the sent message to indicate that the communication link is
established correctly.
Send to/Return from device:
DEVICE
ADDRESS
1 BYTE
hh
where:
Diagnostic Code is two byte code to determine the type of test to be performed.
o
Universal Input Meters supported only "00" code which requested slave to echo
o
sent command back to the master.
FUNCTION
DEVICE
CODE
06
1 BYTE 1BYTE
01 06
1 BYTE 1BYTE
01 06
Infinity Configuration Software.
FUNCTION DIAGNOSTIC
CODE
1 BYTE HB
08 00
DATA
REGISTER
HB LB
00 01
HB
LB
81
00
LOOPBACK
CODE
LB HB
00 hh
M - 13
DATA VALUE
(2 bytes used)
HB LB
00 64
HB LB
00 90
CRC
DATA
LB LB
hh hh
CRC
LB HB
D8 B4
LB HB
D8 2E
HB
hh