Elmo Computer Hardware 1.1 User Manual
A.7 I/Os
The Guitar has:
6 Digital Inputs
4 Digital Outputs
1 Analog Input
A.7.1 Digital Input Interfaces
Feature Details
Schematic
Diagram
Type of input
Optically isolated
Each input has its own return
Input current
for all inputs
for all inputs
Iin = 2.4 mA @ Vin = 5 V
High-level
input voltage
input voltage
2.5 V < Vin < 10 V, 5 V typical
Low-level
input voltage
input voltage
0 V < Vin < 1 V
Minimum
pulse width
pulse width
> 4 x TS, where TS is sampling time
Execution time
(all inputs):
the time from
application of
voltage on
input until
execution is
complete
(all inputs):
the time from
application of
voltage on
input until
execution is
complete
If input is set to one of the built-in functions —
Home, Inhibit, Hard Stop, Soft Stop, Hard and Soft
Stop, Forward Limit, Reverse Limit or Begin —
execution is immediate upon detection: 0<T<4xTS
Home, Inhibit, Hard Stop, Soft Stop, Hard and Soft
Stop, Forward Limit, Reverse Limit or Begin —
execution is immediate upon detection: 0<T<4xTS
If input is set to General input, execution depends
on program. Typical execution time:
on program. Typical execution time:
≅ 0.5 msec.
High-speed
inputs – 5 & 6
minimum pulse
width, in high-
speed mode
inputs – 5 & 6
minimum pulse
width, in high-
speed mode
T < 5
µsec
Notes:
Home mode is high-speed mode and can be
used for fast capture and precise homing.
used for fast capture and precise homing.
High speed input has a digital filter set to
same value as digital filter (EF) of main
encoder.
same value as digital filter (EF) of main
encoder.
Highest speed is achieved when turning on
optocouplers.
optocouplers.
Digital Input Schematic
Guitar Installation Guide
Guitar Technical Specifications
MAN-GUIIG (Ver. 1.1)
A-12