DR4300 Circular Chart Recorder

4.5.2.7 Starting the Timer

Introduction

The DR4300 is available with an optional timer. This timer can be configured to be started by Alarm 1 or the keypad. (If the recorder supports digital inputs, one can be used to trigger the timer. This remote switch is independent of whether the timer is configured to start with the alarm or the keypad.)

Once the timer has been started, it cannot be stopped with the Increment and Decrement keys (see Step 3 below).

At the end of timer period Relay 2 will be energized, and remain energized until the timer is reset.

If the timer set up group parameter START = KEY, then restarting the timer will involve pushing the Increment or Decrement key twice while the timer is displayed: once to reset the timer and de- energize Relay 2, and the second to start the timer.

If the timer set up group START = AL1, then when Alarm 1 toggles (goes inactive, then active again) the timer is reset and restarted. When the timer is configured to start via Alarm 1, the timer can be reset (but not restarted) with the Increment or Decrement key. If the Alarm 1 relay is still energized when you reset the timer with the key, then the timer will be restarted immediately.

Procedure

Use the procedure in Table 4-34to start the timer.

Table 4-34 Procedure for Starting Timer

Step

 

Press

 

Action/Result

 

 

 

 

 

 

1

 

 

 

† n.nn

where n.nn is:

 

DISP

 

 

 

 

 

0.00 if the timer is configured to show elapsed

 

 

 

 

 

 

 

 

 

 

time, or

 

until you see

 

 

 

 

 

 

the hours and minutes set on the timer if it is

 

 

 

 

 

configured to show time remaining.

 

 

 

 

 

2

 

 

 

You will see the “clock hand” start to move:

 

 

or

counterclockwise if the timer is configured to show elapsed time,

 

 

 

 

 

 

 

 

or

 

 

 

 

 

clockwise if the timer is configured to show time remaining.

 

 

 

 

After a minute, the time indication will change.

 

 

 

 

 

3

 

 

 

The timer cannot be stopped with the Increment or Decrement key.

 

 

 

 

To stop the timer go into the timer set up group and disable the

 

 

 

 

timer.

 

 

 

 

 

 

 

138

DR4300 Circular Chart Recorder Product Manual

12/03

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Honeywell DR4300 manual Starting the Timer Introduction, Procedure for Starting Timer