4.Menu
AL_1
or
AL_2
Programming alarms consists in setting their work modes and values
of threshold temperatures.
Enter the programming mode by depressing „
p
” for approx. three
seconds.
Using „
u
” select from the menu position „
AL_1
” or „
AL_2
”, confirm
by „
tu
”.
4.1.
Setting the alarm mode
In the alarm programming mode using „
u
” select „
TAL
” position.
The auxiliary display will show the current alarm mode. To change
the mode depress „
tu
” (the digit on the auxiliary display starts
blinking).
Using „
p
” set the required alarm mode.
!
Mode
0
alarm is off,
!
Mode
1
alarm comes on when the current temperature exceeds the
first alarm threshold,
!
Mode
2
alarm comes on when the current temperature drops below
the first alarm threshold,
!
Mode
3
alarm comes on when the current temperature exceeds the
first alarm threshold, and at the same time is lower than the second
alarm threshold.
!
Mode
4
alarm comes on when the current temperature drops below
the first alarm threshold or exceeds the second alarm threshold.
!
Mode
5
alarm comes on when the current temperature exceeds the
second alarm threshold, and comes off when temperature drops below
the first alarm threshold (hysteresis). If a power outage appears in this
mode the meter memorises states of relays and the last temperature,
This makes possible correct alarm operation after re-powering.
Alarm modes are presented in a graphical form on page 22.
8
Summary of Contents for EMT-200
Page 23: ...NOTES 23...
Page 24: ......