Concoa 523 Series Manuel d'installation et d'utilisation - Page 6

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1. Description of Product

The 529 5298 and 529 5300 remote alarms provide both a visual and audible alarm. The visual alarm is indicated

by LED's, and the audible alarm is indicated by a piezo speaker. The right/left bank LED illuminates when the bank

pressure is below the set point pressure on the switchover inlet gauge. The LED will remain lit until the bank

pressure is increased above the set point pressure. The piezo alarm will sound when the first alarm set point is

reached. However, the piezo alarm will not sound if any other LED alarm signal is lit at that time. The audible alarm

will reset when all alarm LED's are off. Silence the audio alarm by pressing the "ALARM SILENCE" button on the

remote unit.

A RS 232 connection allows the user to connect the remote alarm to a computer. The communication protocol for

the RS232 device is 1200 BPS, even parity, eight data bits, 1 stop bit.

appendix. This is the basic binary communication that is transmitted between the computer and the remote alarm.

The terminal assignments for the remote alarm are located in the appendix. Follow the hookup instructions in the

later sections to connect the autoswitch, dialers, personal computer, and secondary remote alarms.

PIEZO Speaker

Figure 1. The 529 5298/529 5300 Remote Alarm

529 5305 secondary remote alarm

The secondary remote alarm repeats the alarm status seen on the 529 5298 or 529 5300 remote alarm. It is similar

to the remote alarm in function with respect to the LED's and piezo alarm. It does not have the capability of adding

accessories such as a dialer or PC communication.

Alarm Silence

Button

System 1

System 2

System 3

System 4

The communication data is shown in the

Power Cord

Power LED

On/Off Switch

Terminal Blocks