Figure a.13 i/o expansion outputs, Firmware block diagrams a–13 – Rockwell Automation 1397 DC Drive Firmware 2.xx User Manual
Page 231

Firmware Block Diagrams
A–13
Publication 1397-5.0 — June, 2001
Figure A.13
I/O Expansion Outputs
Digital Outputs
n = 1, (+) CTB 66, (–) CTB–67
n = 2, (+) CTB 68, (–) CTB–69
DIG OUT n
SRC
*n =Monitor 1 Out
Digital Outputs (n = 1, 2)
From Level Detector
Block Diagram
From Internal
Drive Signals
Analog Output 3
(+)CTB–54, (–)CTB–55
* Default Selection
DIG OUT n
TYPE
*n = Monitor 2 Out
IN CUR LIMIT
DRIVE READY
* Normal Open
* Normal Closed
ANG OUT 3
SRC
CUR LP FEEDBACK
From Current Minor
Loop Block Diagram
CUR LOOP REF
CML ERROR
SPD LP FDBK
SPD LP REF
SPD LP ERROR
SPD LOOP OUT
SOFTWARE
SCALING
D/A
SPD RAMP OUT
SPD RAMP IN
SPD SRC OUT
TRIM OUTPUT
ARM VOLT
ATACH FDBK
ENCODER FDBK
*ZERO
FULL SCALE
POWER OUTPUT
OCL REF
OCL RAMP OUT
OCL FEEDBACK
OCL OUTPUT
FIELD REF
FIELD FDBK
Analog & Frequency Outputs
From Speed Loop
Block Diagram
From Speed Reference
Ramp Block Diagram
From Speed Loop
Block Diagram
ANG OUT 4
SRC
SOFTWARE
SCALING
D/A
FREQ OUT
Source
SOFTWARE
SCALING
D/A
ANG OUT 3
TYPE
ANG OUT 3
GAIN
ANG OUT 4
GAIN
FREQ OUT
ZERO
FREQ OUT
SCALE
Analog Output 4
(+)CTB–56, (–)CTB–57
Frequency Output
(A)CTB–42 A CTB–43
(Common)CTB–44
0
4095
From Engineering Units Output
Block Diagram
From Outer Control Loop
Block Diagram
From Field Control Loop
Block Diagram