DL8000 Preset Instruction Manual
Revised February-2016
Installation and Use
2-25
Note
:
The Weights & Measures switch, located in the left upper corner
of the keypad, is lockable and wire-sealable to restrict access to
the flow calculations.
2.8.2
27B
LED Status Indicators
The yellow, red, and green LEDs (see
Figure 2-10
) provide information
about the DL8000’s operational status.
LED
Mode
Status
Function
YELLOW
Manual
Off
DL8000 is operating in Manual mode.
Note
: Local operation is identical in either
Manual or Auto mode.
Auto
On
DL8000 is operating in Auto mode (linked to a
host computer and operating as a slave unit.
Flashing
Two short pulses each second
: case
internal temperature is too high, the
keypad/display is disconnected, or power is
removed from the keypad/display.
One short pulse every two seconds
:
Condition that caused the alarm has
returned to normal. Power up the DL8000 or
reset to continue using the keypad/display.
Rapid flashing:
Power failure or low power
situation.
GREEN
Permissive Power
On
The permissive power circuit is closed (the
normal state when a batch delivery is in
progress).
Note
: The green LED indicator’s function
depends on the state of the permissive
circuit (which is located in the power
supply) and is not programmable.
Off
The permissive power circuit is open. This
indicates an abnormal state which is due to
permissive power failure or failure of one or
more permissive circuits wired in series (wired
AND) with the permissive power source
Note
: The green LED indicator’s function
depends on the state of the permissive
circuit (which is located in the power
supply) and is not programmable.
RED
Alarm Status
On
A primary (or critical) alarm is active. You
must
clear this alarm before you can begin a new
batch or new transaction.
Off
All alarms are inactive.
Flashing
A secondary (non-critical) alarm is active.
Содержание DL8000
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