27
Access to
5Et t
from the display mode may be
protected by a four digit alphanumeric security code
which must be entered to gain access. Default
security code
0000
allows unrestricted access. With
ACCd
displayed, press
(
to enter a new access
code. The Timer will display
0000
with one digit
flashing. The flashing digit may be adjusted using
the
*
or
&
push button, when set as required
operating the
(
button will transfer control to the
next digit. When all the digits have been entered
press
)
twice to return to the
AC5Et t
prompt in the
configuration menu. The revised access code will be
activated when the BA374NG is returned to the
display mode.
Please contact BEKA associates sales department if
the access code is lost.
6.5.17 Direction of count:
uP or dn
The Timer may be configured to time-up from zero to
the set time
5Et t
while displaying elapsed time, or
to time-down from the set time
5Et t
to zero while
displaying the remaining time.
When the repeat timing cycle function
CYCLE5
is
enabled, it is recommended that a down count is
selected so that the progress of the timer can be
observed with a known completion time i.e. zero. If
set as an up Timer or Clock, elapsed time will be
displayed, but the set time
5et t
at which the timer
will stop is not shown.
To check the direction of count, select
uP or dn
from
the configuration menu and press
(
which will
reveal the existing setting. This can be changed by
pressing the
*
or
&
button followed by the
)
button to enter the selection and return to the
configuration menu.
6.5.18 Power Fail:
P-FAiL
Defines how the Timer powers-up and functions
when power is restored after a power supply
interruption. Three options are available,
idle
,
Pau5e
and
continue
.
idle
The Timer is stopped in the state it achieves
when it has timed-up to
5et t
or timed-down
to zero,
with the elapsed or remaining time
when power was lost shown on the upper
display. The Timer must be reset before it
can be restarted. If the repeat timing cycle
is in use the number of cycles completed
will be lost when the Timer is reset.
Pau5e
The Timer is stopped in the state it achieves
following receipt of a stop input to pause
timing – see Fig 11. The elapsed or
remaining time when power was lost is
shown on the upper display. Timing
resumes when a start instruction is
received. If a start input exists when power
is restored timing will start
immediately.
Continue
When power is restored the Timer will
continue from where it stopped without
any
manual intervention.
To check or change the function, select
P-fail
from
the configuration menu and press
(
which will
reveal the existing setting which can be changed by
pressing the
*
or
&
button followed by the
)
button to enter the selection and return to the
configuration menu.
6.5.19 Local reset:
LoC r5Et
The Local reset function contains two separate sub-
functions
rE5Et
.
Enbl
and
Glr Gtot
which when
enabled allow the Timer and the grand total to be
reset via the instrument's front panel push buttons
while the Timer is in the display mode.
6.5.20 Local total reset:
rE5Et
.
enbl
rE5Et
.
enbl
is a sub-function in the
Loc r5Et
function
which when activated allows an operator to reset the
Timer from the display mode by operating the
*
and
&
push buttons simultaneously for more than
three seconds.
To check or change the local total reset select
LoC r5Et
in the configuration menu and press
(
which will reveal the
rE5Et
.
enbl
prompt, press
(
again to show if the local total reset is
on
or
oFF
.
If set as required operate the
)
button twice to
return to the configuration menu, or the
*
or
&
button to change the setting followed by the
)
button twice to enter the change and return to the
LoC
.
r5Et
prompt in the configuration menu.
Note:
The Timer may also be reset remotely by
connecting terminals RS1 and RS2 together.
See section 3.2.7
6.5.21 Local grand total reset:
Clr Gtot
The grand total is the total run-time of the Timer that
may be viewed by operating the
)
and
*
push
buttons simultaneously in the display mode. When
activated
clr Gtot
allows an operator to reset the
grand total display to zero from the display mode by
operating the
)
and
*
push buttons
simultaneously for more than ten seconds.
clr Gtot
is a sub-function in the
LoC r5Et
menu. To
check or change the setting select
LoC r5Et
in the
configuration menu and press
(
which will reveal
rE5Et
.
enbl.
Using the
&
or
*
button select
clr Gtot
and press
(
to show if local grand total
reset is
on
or
oFF
. If set as required operate the
)
button twice to return to the configuration menu, or
the
&
or
*
button to change the setting followed
by the
)
button twice to enter the change and
return to the
LoC r5Et
prompt in the configuration
menu.
Summary of Contents for BA374NG
Page 1: ...Issue 3 5th March 2018 BA374NG Ex nA and Ex tc Two input Timer or Clock Issue 3 ...
Page 24: ...24 ...
Page 25: ...25 ...
Page 40: ...40 ...
Page 41: ...41 ...