Instruction Manual

Benchmark 750/1000 Boiler Installation, Operation & Maintenance Manual
CHAPTER 9 – RS-232 COMMUNICATION
OMM-0082_0J AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 119 of 192
GF-130 Ph.: 800-526-0288 05/21/2014
9.2 RS-232 COMMUNICATION SETUP
Regardless of the terminal emulation utilized, the following guidelines must be adhered to when
setting up the RS-232 communication link:
• Baud Rate – The baud rates which can be used with the C-More Control Panel are:
o 2400
o 4800
o 9600 (Default)
o 19.2K
• Data Format – The program must be set for:
o 8 data bits
o 1 stop bit
o no parity
o either Xon/Xoff or No flow control
9.3 MENU PROCESSING UTILIZING RS-232 COMMUNICATION
Viewing data logs and viewing or changing Control Panel menu options using RS-232
communication is accomplished as follows:
Menu Processing Utilizing Rs-232 Communication
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 RS-232 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.