beautypg.com

Chapter 9 - rs232 communication, Rs232 communication, Chapter 9 rs232 communication – AERCO BMK 3.0 LN Nat. Gas Jan 2011 User Manual

Page 71

background image

RS232 COMMUNICATION

CHAPTER 9 RS232 COMMUNICATION

9.1 INTRODUCTION

The RS232 port on the front panel of the C-More

Control Box (Figure 3- 1) can be inter faced to a

laptop computer or other suitable terminal using

a RS2 32 ad apter c able. R S232 c ommunication

can be ac

complished us ing any “ Dumb

Terminal” e mulation, s uch as “ Hyper T erminal”

which is inc luded with Mic rosoft Windows. T he

RS232 c ommunication f eature per mits vie wing

or changing of Control Panel menu options and

also provides access to data logs showing Event

Time Line, Fault and Sensor log displays.

9.2 RS232 COMMUNICATION SETUP

Regardless of the ter minal em ulation uti lized,

the f ollowing guidelines m ust be adh ered t o

when setting up the RS232 communication link:

1. Baud Rate – T he baud r ates w hich c an be

used with the C-More Control Panel are:

2400
4800
9600 (Default)
19.2 K

2. Data Format – The program must be set for:

8 data b its, 1 s top bit , no par ity a nd e ither

Xon/Xoff or No flow control.

9.3 MENU PROCESSING UTILIZING

RS232 COMMUNICATION

Viewing dat a lo gs and viewing or c hanging

Control Panel m enu op tions using R S232

communication is accomplished as follows:

1. Start th e em ulator s oftware pr ogram and

ensure that the specified baud rate and data

formats have been entered.

2. Press the Ent er k ey on the lap top. An

asterisk (*) prompt should appear.

3. At the pr ompt, enter the va lid RS23 2

password (jaguar) in lower case letters and

press Enter.

4. “Welcome to Aer co” will appear in th e laptop

or “ dumb ter minal” dis play 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 Leve l 1 pas sword ( 159) m ust be

entered to c hange op tions in the S etup,

Configuration a nd T uning Me nus. T he

Level 2 password (6817) must be entered

to v iew or c hange o ptions in th

e

Calibration and Diagnostics Menus.
With the exception of the password entry,

all other k eyboard entries c an be m ade

using either upper or lower case.

5. To view the available menus in the top-down

sequence s hown i n F igure 3- 2, enter M

>. T he Menu ti tle a nd f irst 10 options

will be displayed.

6. When vie wing m enus c ontaining m ore than

10 op tions, en ter N to display th e

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

m3

Tuning Menu

m4

Calibration Menu

m5

Diagnostic Menu

8. To change a value or setting for a displayed

menu option, proceed as follows:

(a) Enter C, followed b y the number to the

right of the dis played o ption to be

changed, and then press .

(b) Enter the desired value or setting for the

option and press . R efer to

Chapter 3, T ables 3- 2 t hrough 3-5 f or

allowable entry r anges a nd s ettings f or

the Operating, Setup, Configuration and

Tuning Me nus. ( The Cal ibration a nd

Diagnostic M enus s hould only be used

by Factory-Trained service personnel).

9-1