DeviceNet Objects
B-9
83
Alarms
Get
WORD
Malfunction could lead to incorrect position value. See
Any alarm will set the 'ALARM FLAG'.
85
Alarm flag
Get
BOOL
This flag indicates a device failure that requires user intervention.
The 'ALARMS' indicate the specific failure. This value will be
reported if 'INPUT ASSY.' is set to 'Po Flags' as bit 0 of the
5th byte.
86
Warnings
Get
WORD
Internal parameters exceeded. See
,
page B-10.
Any warning will set the 'WARNING FLAG'. The 'Frequency
Exceeded' warning is caused by rotating faster then 6000 RPM.
The Velocity min/max flag is caused by a 'VELOCITY VALUE'
under or over the velocity limits. The Acceleration min/max flag is
a 'ACCELERATION VALUE' under or over the acceleration limits.
The 'Cam Limits Out of Order' flag is caused by a set of cam limits
where the hysteresis value is larger then the cam lower limit, or
the higher or lower limit that is greater than the 'TOTAL
MEASURING RANGE'.
88
Warning flag
Get
BOOL
Indicates if any of the 'WARNINGS' are active. This value will be
reported if the 'INPUT ASSY’ is set to 'Po Flags' as bit 1 of
the 5th byte."
90
Operating time
Get
UDINT
Stores operating time for the encoder in operating hours.
91
Offset value
Get
DINT
The offset value is calculated by the preset function. Shift position
value by the calculated value.
111
Assembly
Number -
Polling Mode
Get
USINT
The type of input data that is sent for the Polling I/O connections.
–
Position = 4 bytes
–
Po Cam State = 5 bytes
–
Po Flags = 5 bytes
–
Po Velocity = 8 bytes
–
Update time: Velocity 50 mS, other modes 0.3 mS
112
Assembly
Number - COS/
Cyclic Mode
Get
USINT
The type of input data that is sent for the Change of State I/O
connections.
–
Position = 4 bytes
–
Po Cam State = 5 bytes
–
Po Flags = 5 bytes
–
Update time: 0.3 mS
–
Velocity not supported.
113
Assembly
Number - Bit
Strobed Mode
Get
USINT
The type of input data that is sent for the Strobed I/O connections.
–
Position = 4 bytes
–
Po Cam State = 5 bytes
–
Po Flags = 5 bytes
–
Po Velocity = 8 bytes
–
Update time: Velocity 50 mS, other modes 0.3 mS.
Attr. ID
Attribute
Access
Data type
Description
Содержание Allen-Bradley 842D
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