Figure a.4 speed reference ramp, Firmware block diagrams a–4 – Rockwell Automation 1397 DC Drive Firmware 2.xx User Manual
Page 222

Firmware Block Diagrams
A–4
Publication 1397-5.0 — June, 2001
Figure A.4
Speed Reference Ramp
SMOOTHING
DEC
INCREMENTAL
MAX
NOTE 1: “REF RAMP BYPASS” will be automatically
turned OFF during a Ramp Stop Command. This is to
prevent a Current Limit stop from occuring during a Ramp
Stop command.
1
Ref Ramp Bypass
(P. 100)
–
+
(Spd Ramp Output)
(P. 028)
Min Speed
Bypass
(P. 099)
*OFF
Spd Ramp
IN TP
(P. 027)
MIN
Trim Output
(P. 030)
Forward/Reverse
Command
TRIM
DRAW
PERCENT
*NO TRIM
RATE
From Speed
Reference
Source Select
Block Diagram
RAMP STOP
COMMAND
OFF
DECEL TIME
1 + DRAW PERCENT
Trim Mode
Type
(P 117)
From Speed
Reference
Source Select
Block Diagram
LIMIT
*NO TRIM
SCURVE
INCREMENTAL
To
A6
SPD Src Output
(P. 026)
Trim Mode
Type
(P. 117)
PROPORTIONAL
ON
Decel Time
(P. 038)
Reverse
Disable
(P. 110)
Draw Percent Out
(P. 009)
0
S Curve Rounding
(P. 111)
EN
ON
Min Process
Speed
(P. 043)
PROPORTIONAL
INCREMENTAL
*NO TRIM
ACCEL TIME
1 + DRAW PERCENT
Accel Time
(P. 037)
PROPORTIONAL
Trim Mode
Type
(P 117)
ACC
To
A8