Installation Guide Instruction Manual

Table Of Contents
Harmonica Installation Guide Introduction
MAN-HARIG (Ver. 1.902)
www.elmomc.com
12
Tachometer and Potentiometer
Two inputs for Tachometer Feedback:
Up to ± 50 VDC
Up to ±20 VDC
Potentiometer Feedback:
0 to 5 V voltage range
Resistance: 100 Ω to 1000 Ω
Elmo drives provide supply voltage for all the feedback options.
2.2.7. Fault Protection
The Harmonica includes built-in protection against possible fault conditions, including:
Software error handling
Status reporting for a large number of possible fault conditions
Protection against conditions such as excessive temperature, under/over voltage, loss of
commutation signal, short circuits between the motor power outputs and between each
output and power input/return
Recovery from loss of commutation signals and from communication errors
2.3. System Architecture
PWM
Controller
Communication
RS 232 and CANopen
Power Stage
Protection
Current
Feedback
Main
Encoder
SMPS
24 VDC
I/Os
Emulated
Output
Resolver
Analog
Encoder
Auxiliary
Encoder
or
or
Figure 1: Harmonica System Block Diagram