Rockwell Automation 1397 DC Drive Firmware 2.xx - Manual (Page 230)

Firmware Block Diagrams A–12
Publication 1397-5.0 — June, 2001
Figure A.12
Level Detectors
COMPARE
A
Block Diagram
to I/O Expansion
Outputs
ABS
MONITOR 1
SRC SPD Lp Fdbk
CUR LP FEEDBACK
(CML FEEDBACK)
8 sample average
Start/Stop (MONITOR 1 OUTPUT) A > B
TIMER
B
Delay Time MONITOR 1 DELAY
SPD RAMP OUT
From Speed Loop Block Diagram
SPD RAMP IN
SPD SRC OUT
From Speed Reference
Ramp Block Diagram
From Speed/Trim Ref
Select Block Diagram
COMPARE
A
Block Diagram
to I/O Expansion
Outputs
ABS
MONITOR 2
SRC 1 SPD Lp Fdbk
CUR LP FEEDBACK
(CML FEEDBACK)
8 sample average
Start/Stop (MONITOR 2 OUTPUT) A > B
TIMER
B
Delay Time MONITOR 2 DELAY
SPD RAMP OUT
2 SPD RAMP IN
SPD SRC OUT
From Speed Reference
Ramp Block Diagram
From Speed/Trim Ref
Select Block Diagram
From Speed Loop Block Diagram
* Default Selection
MONITOR 1
LEVEL
MONITOR 2
LEVEL