Burkert Type 8605 User Manual
Page 18

18
Serial Communication
command number
command name
0x03
readcurrentandfourDynamicVariables
request
Command
0x03
Byte count
0
data
-
response
Command
0x03
Byte count
26
Status
2 bytes, device status
data
24 bytes
0 ... 3
current (mA) (float)
5)
4
PV units code
5 ... 8
primary variable (float)
5)
9
SV units code
10 ... 13 secondary variable (float)
5)
14
TV units code
15 ... 18 third variable (float)
5)
19
FV units code
20 ... 23 fourth variable (float)
5)
Description
HART-Universal Command 3.
current Coil current / PV in mA
PV Unit 0x39
hex
„%“
PV
Coil current Process Value PV in %, where I
LO
= 0 % and I
HI
= 100 %
SV Unit 0x39
hex
„%“
SV
Setpoint SP in %, where I
LO
= 0 % and I
HI
= 100 %
TV Unit 0x39
hex
„%“
6)
TV
Controlled Variable CV
FV Unit 0x33
hex
„sec“
6)
FV
Operating time of the device since it was last switched on or reset
Command 0x03 - ReadCurrentAndFourDynamicVariables
Table 9:
First byte transferred: MSB
5)
As of
6)
firmware version A.04.00.01, before it 0xFB
hex
none
english
Typ 8605