SECTION 6.0
BASIC SERIAL COMMUNICATIONS FOR OPTIONAL RS-232C OR RS-485
6.1 Baud Rates
The following baud rates may be used with the Series 9510 CO
2
Analyzer:
Baud Rates Available
9600
4800
2400
1200
600
300
150
6.2 Standard Commands
The following commands apply for both RS-232C OR RS-485 interfaces:
Please note that all letters typed can be upper or lower case. The only exception to this rule is the
optional [string] (See note below under the 'D' command description). The Commands below are in upper
case for clarity purposes only. Also any user input not in brackets is shown in lower case. Optional
commands or strings are shown within brackets.
Command
Description
Aa=[bb.b][L/H]
<Enter>
Alarm set
Bccccc
<Enter>
Baud rate select
C[bb.b]
<Enter>
Calibrate [user to enter cal value]
D[string]
<Enter>
Disable Security
E[string]
<Enter>
Enable Security
FSd=[ON/OFF/1/0]
<Enter>
Fail-safe select
H
<Enter>
Help Screen
M
<Enter>
Manual clear toggle
O
<Enter>
Output
Q
<Enter>
Quiet mode (no beeps at all)
S
<Enter>
Output Scaling
V
<Enter>
View current Alarms and settings
Where:a = 1, 2, or 3 for different alarms
bb.b = 0 to 100.0% CO
2
for alarm setting
L/H = Optionally set to 'L'ow or 'H'igh alarm
ccccc = Baud rate number from 150 to 9600
d = Number designating Relay 1 to 4
ON/OFF/1/0 = 'ON' is the same as '1' etc.
name = String for accessing multiple units (see manual)
string = String for security protection (see manual)
ALPHA OMEGA INSTRUMENTS CORP.
SERIES 9510 CARBON DIOXIDE ANALYZER INSTRUCTION MANUAL
21
