7BChapter Four: Operation 75BS-Analog Sensor Object
65
S-Analog Sensor Object
The S-Analog Sensor Object (Class Code 31
hex
) contains the attributes for reporting the pressure
values and for setting the variables used in the pressure calculation. The S-Analog Sensor Object
also supports software alarm and warning trip points as descibed below.
One instance of the S-Analog Sensor Object is supported with 25 instance attributes (refer to
Table 35) and three DeviceNet services (refer to Table 39, page 70). A table of pressure units
support is provided in Table 38, page 69.
Customer Supported Attributes
Table 35: S-Analog Sensor Class Specific Attributes
Attribute ID
#
(dec) (hex)
Description
DeviceNet
Data Type
Access
Rule
Non-
Volatile
Memory
Factory
Default Setting
03 0x03 Data Type USINT U-Set/Get Y 0xC3 (INT)
04 0x04 Data Units ENGUNITS U-Set/Get Y 0x1001
(Counts)
05 0x05 Reading Valid BOOL U-Get N none
06 0x06 Value INT or REAL U-Get N none
07 0x07 Status Byte U-Get N none
08 0x08 Alarm Enable BOOL U-Set Y 0 (disable)
09 0x09 Warning Enable BOOL U-Set Y 0 (disable)
10 0x0A Full Scale INT or REAL U-Get Y 23405
14 0x0E Gain REAL U-Set/Get Y 1.000
16 0x10 OffsetB Customer Offset INT or REAL U-Set/Get Y 0
17 0x11 Alarm Trip Point High INT or REAL U-Set Y 50% FS
18 0x12 Alarm Trip Point Low INT or REAL U-Set Y 50% FS
19 0x13 Alarm Hysteresis UINT or
REAL
U-Set Y 0
20 0x14 Alarm Settling Time UINT U-Set Y 0
21 0x15 Warning Trip Point High INT or REAL U-Set Y 50% FS
22 0x16 Warning Trip Point Low INT or REAL U-Set Y 50% FS
23 0x17 Warning Hysteresis UINT or
REAL
U-Set Y 0
24 0x18 Warning Settling Time UINT U-Set Y 0
(Continued on next page)
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