10
Communication Protocol
9. Communication Protocol
ALPS 3000 Host Communications Protocol 19/02/06
9.1 - Serial Port Setup:
Baud rate
9600
Data bits
8
Parity
none
Stop bits
1
Flow control
none
All communications via ASCII.
9.2 - Cable:
Connection is via a straight cable – not a modem cable.
PC (9 way female)
ALPS (9 way female)
Pin 2 <------------------------------> Pin 2
Pin 3 <------------------------------> Pin 3
Pin 5 <------------------------------> Pin 5
9.3 - Message Response time:
The unit responds to each message within 100 msec.
9.4 - Configuring for remote operation:
On the touch-screen use the advanced menu to set the following:
9.5 - “Remote” to “Local”:
This sets the unit into remote mode and ignores commands issued from the touch screen. This is strongly
recommended when controlling the unit from a host computer.
9.6 - System Initialization:
The system automatically initializes on power up. While initializing the system status is reported as “busy.”
