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Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[units]
(units register)
Value range /
Setting options
Access
level
8539
Float / 4
Standard vol‐
ume lower
alarm limit
Falling below this limit
causes an alarm when
volume flow is selected
as input.
Min. floating
point value
[Sl]
(8522)
Read /
write
8541
Float / 4
Standard vol‐
ume alarm hys‐
teresis
Hysteresis that affects
the alarm and warning
limits when volume
flow is selected as in‐
put.
0.0
[Sl]
(8522)
-
Read /
write
4.10.5.8
Inputs and outputs
General channel 2 settings
Table 4-30
General channel 2 settings
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[units]
(units register)
Value range /
Setting options
Access
level
8801
Unsigned / 2
Operation mode Operation mode.
0
● 0: Off
● 1: Current output
● 2: Frequency output
● 3: Pulse output
● 4: Signal output
Read /
write
7420
Unsigned / 2
Active/passive
operation
Shows application pos‐
sibilities.
-
● 0: Active operation
not possible, use
passive wiring!
● 1: Active operation
possible, hardware is
able to drive the
current loop.
Read
only
9590
Unsigned / 2
Fail-safe activa‐
tion condition
Fail-safe activation con‐
dition.
1
● 0: Bad status of
selected process
value
● 1: Active
Maintenance alarm
or Failure (NAMUR)
Read /
write
8981
Unsigned / 2
Fail-safe min.
time
Minimum time the out‐
put stays in fail-safe be‐
havior.
0
[s]
0 - 100
Read /
write
MODBUS commands
4.10 Modbus holding registers tables
FCT030 Modbus (From firmware 4.0)
80
Function Manual, 06/2018, A5E39931813-AB
Содержание SITRANS F Coriolis FCT030
Страница 6: ...Table of contents FCT030 Modbus From firmware 4 0 6 Function Manual 06 2018 A5E39931813 AB ...
Страница 16: ...Communication 2 4 Connecting FCT030 Modbus From firmware 4 0 16 Function Manual 06 2018 A5E39931813 AB ...
Страница 194: ...Definitions A 1 Definitions FCT030 Modbus From firmware 4 0 194 Function Manual 06 2018 A5E39931813 AB ...
Страница 198: ...Index FCT030 Modbus From firmware 4 0 198 Function Manual 06 2018 A5E39931813 AB ...