7BChapter Four: Operation
77BS-Device Supervisor Object
73
Table 42: S-Device Supervisor Class Specific Attributes (continued)
Attribute ID
#
(dec) (hex)
Description*
DeviceNet
Data Type
Access Rule
Non-Volatile
Memory
Factory
Default Setting
15
0x0F
Alarm Enable
BOOL
U-Set/Get
Y
0 (disabled)
16
0x10
Warning Enable
BOOL
U-Set/Get
Y
0 (disabled)
Attribute
ID #
(dec) Description
DeviecNet
Data Type
Access
Rule
Cal
Mode
Access
Non-
Volatile
Memory Data
Variable
Factory
Default
Setting
19 Last
Maintenance
Date
DATE* R RW Y
none 0,0,0
20 Next
Maintenance
Date
DATE* R RW Y
none 0,0,0
21 Scheduled
Maintenance
Expiration
Timer
INT R
RW
Y -32,767
to
+32,767 hours
0
22 Scheduled
Maintenance
Expiration
Warning Enable
BOOL
RW
RW
Y
0 = Disable
1 = Enable
0
23
Run Hours
UINT
R
R
Y
0 to 65535
0
100 Factory
Calibration
Date
DATE* R R Y
none 0,0,0
* The DATE format does not conform to the ODVA definition. It is a structure of (1) a year of type
UINT, (2) a month of type USINT, and a (3) a day of type USINT.
Device Type
Attribute ID #03 reports the type of device on the network using an ASCII string of up to
8 characters. In the response, the DMA unit is defined as a capacitance manometer vacuum gauge
with the ASCII string “VG.”
SEMI
Standard
Revision Level
Attribute ID #04 reports the most recent version of the Standards Device Model to which the unit
adheres. The response is a 7-character (maximum) ASCII string “ENN-NNYY” where:
E
= SEMI assigned value
NN-NN
= Number of the standard
YY
= Year of the published standard
The default string is “E54-0997”
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