Status Word (Stw) In Ic Grid Converter - Danfoss iC7 Series Operating Manual

iC7 Series Modbus
Operating Guide

2.2.3.2 Status Word (STW) in iC Grid Converter

Table 10: Fieldbus Status Word
Bit Name Description
0 Ready to
0: Unit is not ready to switch on
Switch On
1: Unit is ready to switch on
1 Power Unit
0: Power unit is not ready to run
Ready
1: Power unit is ready to run
2 Running
0: Unit is in stop state
1: Unit is running
3 Fault
0: No active faults
1: One or more faults are active
4 -- Reserved
5 Quick Stop In-
0: Quick stop is active
verse
1: Quick Stop is not active
6 -- Reserved
7 Warning
0: No active warnings.
1: One or more warnings are active
8 -- Reserved
9 Controlled by
0: The active control place is not the fieldbus
PLC
1: The active control place is the fieldbus
10 --
Reserved
11 Run Enabled 0: Run enable signal from dedicated input is
missing
1: Run enable signal from dedicated input is
present
12 --
Reserved
13 -- Reserved
14 -- Reserved
15 Watchdog Bit used for the fieldbus watchdog.
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Additional Information
This bit indicates that the unit is ready to start the start-
up sequence (charging and/or MCB closure, if controlled
by the application). This bit is true, if:
•
Switch On Enabled is active
•
MCB close Enabled is active
• Quick Stop is not requested
• There are no active faults
This bit has the same behavior as the corresponding digi-
tal input, if present.
When this bit is true, it indicates that the unit can be suc-
cessufully started.
This bit indicates whether the unit is operating (modulat-
ing).
This bit indicates the presence of one or more active fault
level events.
This bit indicates whether the quick stop command is ac-
tive or not.
This bit indicates the presence of 1 or more active warn-
ing level events.
Mirroring control word bit 11.
AQ456329149698en-000101 / 136R0334
Overview