CHAPTER 9: RS232 COMMUNICATION
PR2: 04/22/13 Page
99
of
158
Benchmark 2.0LN Dual-Fuel Low NOx Boiler
Operation and Maintenance Manual
OMM-0052_0E
GF-127
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
•
Ph: 800-526-0288
9.2 RS232 COMMUNICATION SETUP
Regardless of the terminal emulation utilized, the following guidelines must be adhered to when
setting up the RS232 communicati on link:
o
Baud Rate – The baud rates which can be used with the C-More Control Panel are:
•
2400
•
4800
•
9600 (Default)
•
19.2K
o
Data Format – The program must be set for: 8 data bits, 1 stop bit, no parity and either
Xon/Xoff or No flow control.
9.3 MENU PROCESSING UTILIZING RS232 COMMUNICATION
Viewing data logs and viewing or changing Control Panel menu options using RS232
communication is accomplished as follows:
1. Start the emulator software program and ensure that the specified baud rate and data formats
have been entered.
2. Press the Enter key on the laptop. An asterisk (*) prompt should appear.
3. At the prompt, enter the valid RS232 password (jaguar) in lower case letters and press Enter.
4. “Welcome to Aerco” will appear in the laptop or “dumb terminal” display with a listing of the
following available entry choices:
M = Display next Menu
D = Display menu items
N = Display next menu items
Cxx = Change item xx
F = Fault log display
S = Sensor log display
T = Time line display
L = Log off
NOTE
The Level 1 password (
159
) must be entered to change
options in the Setup, Configuration and Tuning Menus. The
Level 2 password (
6817
) must be entered to view or change
options in the Calibration and Diagnostics Menus. With the
exception of the password entry, all other keyboard entries
can be made using either upper or lower case.
5. To view the available menus in the top-down sequence shown in Figure 3-2, enter
M
<Rtn
>.
The Menu title and first 10 options will be displayed.
6. When viewing menus containing more than 10 options, enter
N <Rtn>
to display the remaining
options.
7. Shortcut keys are also available to go directly to a specific menu. These shortcut keys are:
m0 = Default (Operating) Menu
m1 = Setup Menu
m2 = Configuration Menu
