CONTINUOUS SCAN

SMC sierra monitor corporation

Sentry Instruction Manual - Version 6

In NORMAL OPERATE mode Sentry scans all modules in sequence and displays their current readings. For any modules which are not correctly initiated and calibrated the status will be indicated. This scanning sequence is by module number by type. (Type 1 = H2S solid state, Type 2 = Combustible, Type 3 = Oxygen and Type 4 = all others)

For H2S, Combustible and Toxic modules the upper (Sensor/Level) display indicates the module number and the concentration. The lower display shows the gas tag and the engineering unit.

For Oxygen the upper display indicates the module number and its deficiency status. The lower display will read the oxygen concentration (e.g.: 20.9%).

Table 4-1 indicates display conditions for each module type.

 

Type

Gas/Status

Upper

Lower

 

 

 

 

 

 

 

 

 

1

H2S Normal

00

H2S

PPM%

 

 

 

 

 

 

 

 

 

2

Combustible Normal

00

COMB*

%LEL

 

 

 

 

 

 

 

 

 

3

Oxygen Normal

00

OXY

20.9%

 

 

 

 

 

 

 

 

 

3

Oxygen Below Normal

LO

OXY

<20.7%

 

 

 

 

 

 

 

 

 

3

Oxygen Above Normal

HI

OXY

>21.1%

 

 

 

 

 

 

 

 

 

4

Toxic Normal

00

TOXIC*

PPM

 

 

 

 

 

 

 

 

* “COMB” and “TOXIC” gas tags can be modified to any six

character tag using CHANGE GAS TAGS.

Table 4-1

Display Conditions

CONTINUOUS SCAN is Sentry's default display mode. To "lock" the display onto one module wait till that module is displayed and press ENTER. While the "lock" is in effect the arrows can be used to change to other module numbers. The lock is indicated by "( )" around the top line of the lower display. To return to

press ENTER.

Other user selectable display modes are described later in this manual.

Press the TEST button, read the display, then press the TEST button again. Repeat until the system returns to the continuous scan display. The two test conditions which are displayed are: <TEST SYSTEM> and <TEST ALARMS>. Neither of these tests were implemented because the ENTER key was not pressed.

To implement the tests, press the TEST key once; display will read <TEST SYSTEM>. Press the ENTER key. Sentry will then step through the following series of displays:

Model number, software level, and traceability descriptors.

MODEL 5000 VERS 6.3

8 CH

951234

Low Alarm Test with relays inactive.

RELAYS PASSIVE

TEST LOW ALARMS

High Alarm Test with relays inactive.

RELAYS PASSIVE

TEST HIGH ALARMS

Trouble Alarm Test with relays inactive.

RELAYS PASSIVE

TEST TROUBLE

ALARM

Full Display Test with all display segments and LED’s on.

X X X X X X X X X X X

X X X X X X X X X X X

Warm-up Time-out.

SYSTEM WARM-UP

PLEASE WAIT 5:00

Return to normal scan.

COMB %LEL

MODULE TAG

Press the TEST key twice and the display will read TEST ALARMS. Press the ENTER key and Sentry will execute LOW, HIGH & TROUBLE alarms and then return to the operate mode. During this test the respective alarm relays will throw. The user code described later in this manual can be used to protect against unauthorized activation of the alarm relays.

Read the Sentry menu, Table 4-2 to find the TEST key. It should now be easy to understand that each step in the menu can be implemented by using the enter key or bypassed by continuing to press the activity key. This process is further described in the flowcharts. Figure 4-3 through Figure 4-7.

CONFIGURATION PROCEDURE

Page: 36

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Sentry Industries 5000 instruction manual Display Conditions

5000 specifications

Sentry Industries 5000 is a cutting-edge security and surveillance system designed for both commercial and residential applications. With its robust features, state-of-the-art technologies, and user-friendly interface, the Sentry Industries 5000 has established itself as a leader in the security industry.

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