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Channel 2 current output settings
Table 4-31
Channel 2 current output settings
Modbus
Data type /
register
Size in bytes
8802
Unsigned / 2
8809
Unsigned / 2
8806
Unsigned / 2
8866
Float / 4
8868
Float / 4
FCT030 Modbus (From firmware 4.0)
Function Manual, 06/2018, A5E39931813-AB
Parameter
Description
Process value
Select process value
for the current output.
Flow direction
Flow direction filter ap‐
plicable for Process val‐
ues (8802) = 0, 1, 19
and 27.
Current mode
Mode of current output. 0
Upper range
Upper volume flow val‐
value volume
ue that is mapped to
flow
the upper nominal
range boundary selec‐
ted by Current mode
(8806). Applicable if
Process value (8802) =
1.
Lower range
Lower volume flow val‐
value volume
ue that is mapped to
flow
the lower nominal
range boundary selec‐
ted by Current mode
(8806). Applicable if
Process value (8802) =
1.
4.10 Modbus holding registers tables
Default value
Value range /
[units]
Setting options
(units register)
-
● 0: Mass flow
● 1: Volume flow
● 2: Density
● 3: Medium
temperature
0
● 0: Positive direction
● 1: Negative direction
● 2: Positive and
negativedirections
● 3: Positive and
negative directions
(symmetric mode)
● 0: 4-20 mA (3.5)
3.8-20.5 (22.6)
NAMUR
● 1: 4-20 mA (3.75)
4.0-20.8 (22.6) US
● 2: 4-20 mA (2.0)
4.0-20.5 (22.0)
● 3: 4-20 mA (2.0)
4.0-24.0 (25.0)
● 4: 0-20 mA (0.0)
0.0-20.5 (22.0)
● 5: 0-20 mA (0.0)
0.0-24.0 (25.0)
0.004 • max.
-
volume flow
[m
/s]
3
(7500)
0
-
[m
/s]
3
(7500)
MODBUS commands
Access
level
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
81
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