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Def / Type
FbEq 16b / 32b
Description
Name / Range /
Selection
No.
Normal / uint16
Selects the communication time levels.
In general, lower time levels of read/write services
reduce CPU load. The table below shows the time levels
of the read/write services for cyclic high and cyclic low
data with each parameter setting.
Cyclic low **
Cyclic high *
Selection
2 ms
10 ms
10 ms
2 ms
2 ms
500 μs
2 ms
250 μs
* Cyclic high data consists of fieldbus Status word, Act1
and Act2.
** Cyclic low data consists of the parameter data
mapped to parameter groups
and
, and acyclic data.
Control word, Ref1 and Ref2 are handled as interrupts
generated on receipt of cyclic high messages.
Note: This parameter cannot be changed while the
drive is running.
FBA A timelevel sel
50.21
0
Normal speed.
Normal
1
Fast speed.
Fast
2
Very fast speed.
Very fast
3
Low speed. Optimized for PC tool communication and
monitoring usage.
Monitoring
- / uint16
Activates fieldbus communication monitoring
separately for each control location (see section
control vs. external control (page 39)
).
The parameter is primarily intended for monitoring the
communication with FBA A when it is connected to the
application program and not selected as a control
source by drive parameters.
FBA A comm
supervision force
50.26
1 = Communication monitoring active when Ext 1 is
being used.
Ext 1
b0
1 = Communication monitoring active when Ext 2 is
being used.
Ext 2
b1
1 = Communication monitoring active when local
control is being used.
Local
b2
Reserved
b3…15
1 = 1
0000h…FFFFh
Disable / uint16
Enables/disables communication between the drive
and fieldbus adapter B, and specifies the slot the
adapter is installed into.
Note: This parameter cannot be changed while the
drive is running.
FBA B enable
50.31
0
Communication between drive and fieldbus adapter B
disabled.
Disable
Parameters 467
Содержание ACS880 Series
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