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SI-DeviceNet User Guide
47
Issue Number: 2
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8.3
Status word
The SI-DeviceNet status word consists of 16 control bits some of which are reserved.
See the table below for the individual bit function descriptions.
The fieldbus status word is mapped directly from the drive status word, Pr
10.040
.
Pr
10.040
, is generated by the values of several individual drive status bits. Table
on page 40 shows the function indicated by each bit
in the status word when set to 1.
Table 8.3 Drive status word bit functions
b15
b14
b13
b12
b11
b10
b9
b8
Not
Used
Supply
Loss
Reverse
Direction
Running
Reverse
Direction
Commanded
Brake
Resistor
Alarm
Braking
IGBT
Active
Regenerating
Current
Limit
Active
b7
b6
b5
b4
b3
b2
b1
b0
Rated
Load
Reached
Above Set
Speed
At Set
Speed
Below Set
Speed
Running
At or
Below
Minimum
Speed
Zero
Speed
Drive
Active
Drive
OK/
Healthy
Bit
Parameter
Description
0
Pr
10.001
bit 0 = 0:
Drive not ok (tripped).
bit 0 = 1:
Drive ok.
1
Pr
10.002
Drive active
When bit 1 = 1, the drive is in run mode.
2
Pr
10.003
Zero speed
In Open Loop mode, zero speed indicates that the absolute value
of the post-ramp speed reference is at or below the zero speed
threshold.
In RFC-A and RFC-5 modes, zero speed indicates that the
absolute value of speed feedback is at or below the zero speed
threshold.
3
Pr
10.004
Running at or below minimum speed
In bipolar mode (Pr
01.010
= 1) Pr
10.004
is the same as zero
speed, Pr
10.003
(See above).
In unipolar mode, Pr
10.004
is set if the absolute value of the post-
ramp speed reference (Pr
02.001
) or speed feedback (Pr
03.002
) is
at or below minimum speed + 0.5Hz or 5 rpm (Minimum speed is
defined by Pr
01.007
). This parameter is only set if the drive is
running.
4
Pr
10.005
Below set speed
Only set if the drive is running at below set speed. Refer to Pr
03.006
, Pr
03.007
and Pr
03.009
in the drive documentation for
more details.
5
Pr
10.006
At speed
Only set if the drive is running at set speed.
Refer to Pr
03.006
, Pr
03.007
and Pr
03.009
in the drive
documentation.
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