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Position State Register (Attribute 21)
Indicates the state of the Position Value relative to the Position High
Limit and Position Low Limit.
The attribute is an 8 bit bitstring with the following bit assignments.
Bits
0
Position is out of range (above or below the set limits)
1
Position is above the High Limit
2
Position is below the Low Limit
3-7
Reserved (set to 0)
Postion Low Limit (Attribute 22)
If the Position Value is below this limit, it will be indicated in the Position
State Register. The attribute value is expressed in the engineering units
selected by Position Format.
Position High Limit (Attribute 23)
If the Position Value is above this limit, it will be indicated in the Position
State Register. The attribute value is expressed in the engineering units
selected by Position Format.
Velocity Value (Attribute 24)
The current velocity value read by the module.
scaled based on the Velocity Format engineering units and the Velocity
Resolution.
Velocity Format (Attribute 25)
The engineering units used for the Velocity Value.
determine the scaling for the Velocity Value.
Allowable values for this attribute are:
Value
2B01h
centimeter/sec
2B07h
inch/sec
Velocity Resolution (Attribute 26)
The resolution steps of the Velocity Value. This setting specifies a
divider used to calculate Velocity Value in the units selected by the
Velocity Format.
Example: Velocity Format is set to inch/sec. Velocity Resolution is set
to 100. The resulting Velocity Value will be expressed in 0.01 inch/sec.
Measuring Unit
Velocity Resolution
inch/sec
1000
inch/sec
100
centimeter/sec
100
centimeter/sec
10
Minimum Velocity Setpoint (Attribute 27)
If the Velocity Value is below this limit, it will be indicated in the Warnings
attribute.
The attribute value is expressed in the engineering units
selected by Velocity Format.
Maximum Velocity Setpoint (Attribute 28)
If the Velocity Value is above this limit, it will be indicated in the Warnings
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Description
This value will be
This setting will
Velocity Units
Velocity Value
0.001 inch/sec
0.01 inch/sec
0.01centimeter/sec
0.1centimeter/sec
attribute.
The attribute value is expressed in the engineering units
selected by Velocity Format.
Operating Status (Attribute 41)
The attribute is an 8 bit bitstring with the following bit assignments.
Bits
0
Direction (0=position increasing, 1=position decreasing)
1
Scaling (set to 1)
2-7
Reserved (set to 0)
Alarms (Attribute 44)
The current alarm status of the module.
The attribute is a 16 bit bitstring with the following bit assignments.
Bits
0
Position Error
1-11
Reserved (set to 0)
12
Lost Magnet Signal
13
Signal in DEAD Zone
14
Signal in NULL Zone
15
Extra Signals
Supported Alarms (Attribute 45)
The alarms that are supported by the module.
The attribute is a 16 bit bitstring with the same bit assignments as shown
above for the Alarms attribute. The value is fixed and all non-reserved
bits are set. (F001h)
Alarm Flag (Attribute 46)
Indicates that one or more of the supported alarms are active.
Warnings (Attribute 47)
The current warning status of the module.
The attribute is a 16 bit bitstring with the following bit assignments.
Bits
0-5
Reserved (set to 0)
6
Minimum Velocity Flag
7
Maximum Velocity Flag
8-9
Reserved (set to 0)
10
Position Limits Exceeded
11-15
Reserved (set to 0)
Description
Description
Description
FACTORY AUTOMATION
®
16
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