Siemens SITRANS F Operating Instructions Manual page 102

Modbus communication
A.9 Modbus holding register tables
Multipoint calibration
Table A-23 Multipoint calibration
Modbus Data type /
register Size in bytes
1051 Unsigned / 2
1052 Unsigned / 2
1053 Unsigned / 2
1066 Float / 4
1068 Float / 4
102
Parameter Description
Protect calibra‐ Specifies protection of
tion table the multipoint calibra‐
tion table
Enable multi‐ Enable or disable the
point calibration Multipoint calibration.
Asymmetric cal‐ Usage of the calibra‐
ibration table tion table.
Calibration point Calibration point that is
to be transferred to the
multipoint calibration ta‐
ble.
Calibration val‐ Calibration correction
ue factor that is to be trans‐
ferred to the multipoint
calibration table. E. g.
0.99 = -1% correction.
Default value Value range /
[units] Setting options
(units register)
0
● 0 :No protection of the
calibration table. End
users can use
Calibration table
command (1064) to
change the multipoint
calibration table.
● 1: Calibration table is
protected. Calibration
table command
(1064) will not grant
access to modify the
multipoint calibration
table.
0
● 0: Disabled
● 1: Enabled
0
● 0: Unidirectional. All
20 calibration points
are used for positive
flow calibration and
are then mirrored for
negative flow.
● 1: Bidirectional. The
first 10 calibration
points are used for
positive flow
calibration and the 10
last calibration points
are used for negative
flow calibration.
0.0 0.0 - 100000.0
[m /s]
3
(7500)
1.0 0.5 - 2.0
Operating Instructions, 09/2017, A5E41425845-AB
Access
level
Read /
write
(Expert)
Read /
write
Read /
write
(Expert)
Read /
write
Read /
write
FST020 IP65 NEMA 4X