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Section 8: Communication Interface
May 2022
8.3
Fail-Safe Data
The fail-safe data parameter defines the behavior of the actuator in case of network
communication failure. The fail-safe data parameter can be modified via
DeviceNet network.
Table 7.
Indication
Safety action
Table 8.
Indication
Predef. safety
position
Table 9.
Indication
Delay on
bus fail
8.4
Dead Band Configuration
The Dead Band indicates the maximum allowed deviation from the valve position and the
requested position. If the deviation is bigger, an open or close control command will
be generated.
Table 10.
Indication
Dead band
20
Parameter 1: Class 100; Instance 1; Attribute 100
Description
The action to execute in case of
loss of bus communication.
0 = No action
1 = Close
2 = Open
3 = Stop
4 = Go to predefined position
Parameter 2: Class 100; Instance 1; Attribute 101
Description
Safe predefined position
Parameter 3: Class 100; Instance 1; Attribute 102
Description
Delay before to initiate the
safety action
Parameter 4: Class 100; Instance 1; Attribute 103
Description
This parameter defines the
Dead Band of the positioning
function available on the
modulating actuator
(in tenth of %). The movement
is inhibited until the difference
between current position and
requested position
(position error) is lower than
Dead Band.
Installation, Operation and Maintenance Manual
Direction Data type
R/W
Integer
Direction Data type
R/W
Integer
Direction Data type
R/W
Integer
Direction Data type
R/W
Integer
VCIOM-02377-EN Rev. 0
Range
Default
E.U.
0-4
0
-
Range
Default
E.U.
0-100
50
%
Range
Default
E.U.
0-10
4
seconds
Range
Default
E.U.
3-20
15
0.1%
Communication Interface
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