Danfoss VLT AutomationDrive FC 360 Programming Manual page 19

Control
4.4.3 PROFIdrive State Transition Diagram
In the PROFIdrive control profile, the control bits:
•
0–3 perform the basic start-up/power-down functions.
•
4–15 perform application-oriented control.
Illustration 4.4 shows the basic state transition diagram where control bits 0–3 control the transitions, and the corresponding
status bit indicates the actual state. The black bullets indicate the priority of the control signals where fewer bullets indicate
lower priority, and more bullets indicate higher priority.
Coast Stop
OR Quick Stop
STW bit 1=false
OR bit 2=false
Coast Stop
STW bit 1=false
1st priority
2nd priority
3rd priority
Illustration 4.4 PROFIdrive State Transition Diagram
MG06G102
Programming Guide
S3: Switching ON inhibited
STW bit 6=true; 0, 1, 2=false
OFF
Coast Stop
AND No Coast Stop
OR Quick Stop
AND No Quick Stop STW bit 1=false
OR bit 2=false
STW bit 0=false
AND bit 1=true
AND bit 2=true
S2: Ready For Switching ON
STW bit 0=true; 1, 2, 6=false
ON OFF
STW bit 0=true STW bit 0=true
S3: Switched ON
STW bit 0, 1=true; 2, 6=false
Enable Disable
Operation Operation
STW bit 3=true STW bit 3=false
S4: Operation
STW bit 0, 1,2=true; 6=false
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Coast Stop
STW bit 1=false
S5: Switching
OFF
STW bit 0, 1=true
bit 2, 6=false
Pulses
Quick Stop
Disabled
STW bit 2=false
Ramp Stop
ON
OFF
STW bit 0=true
STW bit 0=false
Pulses
Disabled
Quick Stop
Quick Stop
STW bit 2=false
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