Instance attributes, Services, Instance attributes services – Rockwell Automation 1440-SPD02-01RB XM-220 Dual Speed Module User Manual
Page 116
Publication GMSI10-UM004B-EN-P - May 2010
108 DeviceNet Objects
Instance Attributes
Services
1
Attributes can only be set while the device is in Program Mode. See the description of the Device Mode Object
for more information.
Table C.40 Transducer Object Instance Attributes
Attr ID
Access
Rule
Name Data
Type
Description
Semantics
3
Get
DC Bias
REAL
The measured average DC
bias of the transducer
signal in volts.
Volts
4
Get
Status
BOOL
Indicates whether a
transducer fault exists
(the measured DC Bias is
outside the range
specified by Fault High
and Low).
0 = No fault
1 = A transducer fault exists
7
Get/Set
Fault High
REAL
The maximum expected
DC Bias voltage from the
transducer in volts.
Volts
8
Get/Set
Fault Low
REAL
The minimum expected
DC Bias voltage from the
transducer in volts.
Volts
9
Get/Set
Power Type
USINT
Indicates the type of
power supplied to the
transducer.
0 = No power supplied
3 = Bias current for passive
magnetic sensors
13
Get/Set
DC Bias Time
Constant
REAL
The time constant value
used for exponential
averaging of the DC Bias
value (a low pass
filter/output smoothing
filter).
Seconds
Table C.41 Transducer Object Services
Service
Code
Class/Instance Usage
Name
Description
0E
h
Instance
Get_Attribute_Single
Returns a single attribute.
10
h
Instance
Set_Attribute_Single
Sets a single attribute.
1