B&B Electronics 485T Manual do Utilizador descarregar pdf (Página 17)

Owners Manual

2800 Series Marquee

2.0 Basic Operation Tutorial

In order to begin building comfort with using 2800 series marquees, the next few sections of this manual will walk

you through powering the units up, establishing PC to marquee communications, and using some of the basic

2800 command sequences. The tutorials assume you are using a PC to manually type commands at the

marquee(s) using the free Magic utility, which can be downloaded from our web site.

We encourage our customers to work through the tutorials at least once. Manually typing the example

commands provides immediate feedback on just exactly what the commands accomplish, and allows the user to

experiment freely with variations on, and innovative combinations of, the commands presented in the tutorial.

2.1 Powering Up the Marquee(s) for the First Time

When more than one marquee is connected to the serial communications cable, even a simple error in wiring or

configuration can be difficult to isolate and correct. To simplify the process, we suggest powering up the 2800

marquees, one at a time, beginning with the unit closest to the PC/PLC, slowly working your way to the far end of

the communications cable. Throughly test communications with each marquee before moving on to the next one.

We suggest working through all the tutorials when the first marquee, and then just the first tutorial when testing

the remaining marquees.

When power is applied to 2800 series marquees, they display basic configuration information before responding

to control system commands. As you power up the marquees, observe the power-on messages to verify that the

configuration switches are set as intended.

The messages displayed by a 2800 marquee when it powers up are:

1. Display Installed Firmware: PP-2111-187B

Verify that a PP-2111-187 series firmware is installed in the 2800, revision B or later. If your unit does not

have PP-2111-187 series firmware installed, then this is probably not the correct manual for your unit. Contact

American LED-gible technical support to receive a free copy of the correct manual.

2. Display Assigned Address: ADDRESS C

Verify that the indicated address matches the desired setting. If the addressing feature is disabled, then the

message NO ADDRESS is displayed instead. If the indicated address is incorrect, review section 1.12 of this

manual and double check the SW1 switch settings.

3. Display 232 Echo Setting: ECHO ON

Verify that the indicated echo setting matches the desired setting. If RS-232 echo is disabled, the message

ECHO OFF is displayed instead. If the indicated echo state is incorrect, review section 1.13 of this manual

and double check the SW1 switch settings.

4. Display Selected Baud Rate: 19200bps

Verify that the indicated baud rate matches the desired setting. If the indicated baud rate is incorrect, review

section 1.14 of this manual and double check the SW2 switch settings.

5. Display the Default Message: READY

After displaying the power on messages, 2800 marquees automatically display the default message while

waiting for commands to arrive from the control system. The default message is set to “READY” before

shipment to the customer, but can be changed by the customer.

Note: You do not have to remove power from the marquee when correcting dip-switch settings. The marquee

will detect the switch setting change and automatically reboot itself if a reboot is required.

PB-2149-335B Page 13

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