6-5
MAN0448_Issue 13_01-2010
5704 Control System
005704-M-5001 A03249
CHAPTER 6 - OPERATING INSTRUCTIONS
c.
Relay Time Delays
When time delay relay functions are configured, the extended reset
will immediately:
i.
Activate any inactive relay where an alarm condition is present
but a relay trigger delay is in progress.
ii. Clear any relay where the alarm condition is not present but
the relay is still active due to a relay hold time in progress.
3.3 Channel Reset - TWA Calculations
To reset a channel short term (STEL) and long term (LTEL) exposure
timer and calculations:
(1) First select the required channel using the procedure outlined in
Section 3.4.1.
(2) With the channel selected, press the
RESET/SElECT
push-button
continuously for five seconds. During this period the select icon will
flash on and off.
(3) When the flashing stops the exposure timer will be restarted from
zero.
3.4 Card and Channel Select
3.4.1 Card Select
To select a channel card for operations controlled from the Engineering
Card, push and hold the required channel card
RESET/SElECT
push-
button for approximately 1.5 seconds until the icon display changes
from the normal display to the selected display as shown below:
Normal Operation
Selected
Digital
Display
Icon
Summary of Contents for 5704
Page 1: ...System 57 5704 Control System Operating Instructions ...
Page 4: ...4 MAN0448_Issue 13_01 2010 5704 Control System 005704 M 5001 A03249 ...
Page 6: ...6 MAN0448_Issue 13_01 2010 5704 Control System 005704 M 5001 A03249 User Notes ...
Page 14: ...1 8 MAN0448_Issue 13_01 2010 5704 Control System 005704 M 5001 A03249 User Notes ...
