Main and auxiliary feedback combinations, Interpolated analog (sine/cosine) encoder input, Resolver input – ElmoMC ExtrIQ Digital Servo Drives-Falcon User Manual
Page 35: Tachometer input

Falcon Installation Guide
Installation
MAN-FALIG (Ver. 1.502)
35
3.4.6.
Main and Auxiliary Feedback Combinations
The Main Feedback is always used in motion control devices whereas Auxiliary Feedback is
often, but not always used. The Auxiliary Feedback connector on the Falcon, “FEEDBACK B” has
two ports, Port B1 and Port B2. When used in combination with the Main Feedback port,
“FEEDBACK A”, the ports can be set, by software, as follows:
FEEDBACK A
FEEDBACK B Ports B1 and B2
Software
Setting
YA[4] = 4
YA[4] = 2
YA[4] = 0
Incremental
Encoder Input
Incremental
Encoder
B1
- output
B2
- output
same as B1
Differential
and
Buffered
Main
Encoder
Signal
A
- input
Differential
or
Single-ended
Auxiliary
Incremental
Encoder
B1
B2
Differential
and
Buffered
Auxiliary
Encoder
Signal
Incremental
Encoder
or
Analog
Encoder
or
Resolver
or
Tachometer
or
Potentiometer
Differential or
Single-ended
Pulse &
Direction
Commands
Differential
Buffered
Pulse &
Direction
Signals
B1
B2
Incremental
Encoder
or
Analog
Encoder
or
Resolver
or
Tachometer
or
Potentiometer
Interpolated
Analog
(Sine/Cosine)
Encoder Input
Analog
Encoder
Analog
Encoder
Position
Data
Emulated in
Incremental
Encoder
Format
(signals are
quadrature,
differential
& buffered)
same as B1
B1
- output
B2
- output
A
- input
Resolver
Input
Resolver
Resolver
Position
Data
Emulated in
Incremental
Encoder
Format
(signals are
quadrature,
differential
& buffered)
same as B1
B1
- output
B2
- output
A
- input
Tachometer
Input
Tachometer
Tachometer
Position
Data
Emulated in
Incremental
Encoder
Format
(signals are
quadrature,
differential
& buffered)
same as B1
B1
- output
B2
- output
A
- input