
74
12. Appendix 2 – Control and status word
Dual port ethernet option board installation manual
MN032004EN October 2017 www.eaton.com
Table 158. FBFixedControWord modifications in
Eaton SPX
Bit
Function
Value
Description
3
Fieldbus DIN 1
0
Fieldbus DIN 1 off
1
Fieldbus DIN 1 on
4
Fieldbus DIN 2
0
Fieldbus DIN 2 off
1
Fieldbus DIN 2 on
5
Fieldbus DIN 3
0
Fieldbus DIN 3 off
1
Fieldbus DIN 3 on
6
Fieldbus DIN 4
0
Fieldbus DIN 4 off
1
Fieldbus DIN 4 on
7
Fieldbus DIN 5
0
Fieldbus DIN 5 off
1
Fieldbus DIN 5 on
12.2 Status word descriptions
The Status word is composed of 32 bits.
FBFixedStatusWord consist of the first 16 bits.
FBGeneralStatusWord consist of the remaining 16
bits. While the functionality of FBFixedStatusWord is
fixed in the standard applications, the functionality of
FBGeneralStatusWord is totally application specific and can
vary even in the Eaton standard applications.
The meanings of FBFixedStatusWord bits are described
below. Unused bits have to be set to zero.
In SVX/SPX series drives the FBFixedStatusWord comes
from firmware variable “MCStatus”.
Table 159. FBFixedStatusWord bits
Bit
Function
Description
B0
Ready
0
Drive is not ready.
1
Drive is ready to run.
B1
Run
0
Motor is not running.
1
Motor is running.
B2
Direction
0
Motor is running clockwise.
1
Motor is running counterclockwise.
B3
Fault
0
No fault active.
1
Drive has an active fault.
B4
Alarm
0
No alarm active.
1
Drive has active alarm.
B5
At reference
0
Motor is not running at reference speed.
1
Motor is running at reference speed.
B6
Zero speed
0
Motor is not at zero speed.
1
Motor is running at zero speed.
B7
Flux ready
0
Motor is not magnetized.
1
Motor is magnetized.
B8-B12
Reserved
12.3 Control word bit support in drives
This table describes the control word bit support in different
drives. Notice that this table is valid only for the standard
applications. Always check the application-specific status
from the application manual.
Table 160. Control word
Bit
Function
SVX/SPX
B0
Start/Stop
x
B1
Direction
x
B2
Fault reset
x
B3
Stop mode 1
B4
Stop mode 2
B5
Quick ramp time
B6
Freeze setpoint
B7
Setpoint to zero
B8
Request fieldbus control
x
B9
Request fieldbus reference
x
B10
Jogging 1
B11
Jogging 2
B12
Quick stop
B13
Reserved
B14
Reserved
B15
Reserved
12.4 Status word bit support in drives
This table describes the status word bit support in different
drives. Notice that this table is valid only for the standard
applications. Always check the application-specific status
from the application manual.
Table 161. Status word
Bit
Function
SVX/SPX
B0
Ready
x
B1
Run
x
B2
Direction
x
B3
Fault
x
B4
Alarm
x
B5
At reference
x
B6
Zero speed
x
B7
Flux ready
x
B8
Reserved
B9
Reserved
B10
Reserved
B11
Reserved
B12
Reserved
B13
Reserved
B14
Reserved
B15
Reserved
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