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Installation and Operation Manual
X-DPT-DeviceNet-SLA5800-SLAMf-Series-RevB-PC-eng
Part Number: 541B200AAG
March, 2015
68
Section 5 - Detailed Configuration
Brooks DeviceNet PCs
Table 5-69 S-Analog Actuator Instance 1 Attributes (continued)
Attrib
ID Name Data
Type
Access
Rule NV
Description
Notes
19 Warning
Trip Point
Low
Specified by
Attrib. 3 & 4
Set
NV
Determines the Value[6] below which
a warning condition will occur.
See Note ‘Warnings’
below
[default] = Minimum
value for its data type
21
Safe State
USINT
Set
NV
Specifies the behavior for the
physical actuator in an Operational
State other than Executing State
See Note ‘Safe State’
below
22
Safe Value
Specified by
Attrib. 3 & 4
Set
NV
The analog output signal value that is
indicated by Attrib. 6 if the Safe
State[21] is configured to “Use Safe
Value”
Default = 0
5.8.1.1. Note: Data Type
The value of this attribute is limited to INT or REAL. This attribute can only be
set when the device is not in the Operational State of Executing. If any of the
attributes in this object use the attribute Data Type[3] to define their data type
and the attribute is the end point of an active I/O connection, then the access
rule for the attribute Data Type[3] becomes Get and thus cannot be set until
the I/O connected becomes inactive. Additionally, the inferred data type of an
Assembly object (see The “Inferred” Data Type) will modify this value if the
Assembly object has been assigned to an active I/O connection.
Example 1:
If the value of Value[6] is being exchanged via the Polled I/O connection,
attribute 3 cannot be modified until that Polled I/O Connection is terminated.
Example 2:
If Assembly instance 3 is assigned to the Polled I/O connection produce
path, the value of attribute 3 will be set to INT when the Polled I/O connection
transitions to the Active state. When the Polled I/O connection is terminated,
the value of this attribute will remain INT. It will not return to the value prior to
commissioning the Polled I/O connection.
5.8.1.2. Note: Data Units
The value of this attribute is limited to the values specified in the table in
Appendix C - Actuator Data Units. This attribute can only be set when the
device is not in the Operational State of Executing. See Example 1 above in
Note: Data Type.