Burkert Type 8717 User Manual
Page 77

77
Starting up the Modbus
8.3.3.
input register
These 16-bit values can be read by the master.
Valid commands
code
name
Broadcast
0x04
Read Input Register
No
Valid addresses
see below
input register of list 0 (default)
register
address in
mfc
number of
registers
Designation / Description
r/w
format
0001
1
data Unit
Calibrated device unit
Min. value 2048, max. value 4103
List of the units see “9.2. Table of units”
R
UINT16
0002
1
Actual Flow
Actual value (x) / value in units per thousand of the active gas
Min. value -2000, max. value 2000
R
SINT16
0003…0004 2
Actual Flow
Actual value as float
Unit see: Input Register → “data Unit”
min value -3.39E+38, max value 3.39E38
R
FLOAT32
0005
1
Status errors
Error conditions / bit field for device errors.
see “9.1.2. Bit field ERRORS”
min value -3.39E+38, max value 3.39E3
R
UINT16
0006
1
Status limits
Status limits / Bit field for the status of device-internal
threshold value
see “9.1.1. Bit field LIMITS”
min. value 0, max. value 65535
R
UINT16
0007
1
Control output to valve (y2)
for MFC only. control output y2 of controller in units per
thousand
Min. value 0, max. value 1000
R
UINT16
0008…0009 2
Flow Full Scale
Unit see: Input Register → “data Unit”
min. value 0, max. value 1.00E+39
R
FLOAT32
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MFC Family