Carlisle Ransburg DynaFlow 77376, Руководство по обслуживанию, Страница: 44 / 96

If the slaved CHANNEL cannot achieve the proper flow
rate, the software issues a FLOW TOO LOW or FLOW
TOO HIGH fault.
Additionally, the software verifies ratio after each
TOLERANCE VOLUME has flowed through the master
channel flow meter by comparing the two volumes that
flowed during that time period and calculates a “ratio error”. If
that error is greater than the FLOW TOLERANCE parameter,
the software issues an OUT OF TOLERANCE fault.
When the GUN is given a HALT command, both fluid
regulators are set to 0 psi.
Load Mode
LOAD MODE is similar to RUN MODE. However, in LOAD
MODE, up to 10 faults are permitted before the gun will
leave LOAD MODE and enter the FAULT MODE. All eleven
(11) faults will appear in the Error Log screen. The GUN
will automatically leave LOAD MODE and return to the
READY MODE after a volume greater than or equal to the
Mixed Volume has flowed since the last fault.
To Place A GUN In LOAD MODE:
1. The external GUN Enable input must be supplied to
the Master CHANNEL. No system or GUN faults can
be active and the GUN configuration and JOB tables
should be properly set.
2. The GUN Trigger input is not required for manual GUNS.
3. A signal must be supplied to the Master CHANNEL LOAD
input or a LOAD command issued from the Operator
Interface Panel or other host controller.
4. Flow will begin immediately.
To Exit LOAD MODE:
1. Simply remove the LOAD input and apply the HALT
input, or issue a command from the Operator Interface
Panel (host controller).
GENERAL
The following are common to both AUTOMATIC and
MANUAL GUN operation.
Pulsed and Maintained Inputs
Pulsed inputs detect the transition in voltage, either up or
down. This form of input is comparable to a momentary
push-button. Pulsed inputs are timing sensitive, e.g. the
pulse MUST be present at the input at the proper time in
relation to other input signals. The duration of the pulse is
also critical. Pulsed inputs should be supplied for at least
0.25 seconds in duration. The input signal is ignored after
detection by the controller and can be removed at any time
after the minimum 0.25 seconds.
Maintained inputs require the voltage to be held at a level,
either low or high in order to perform the intended function.
System Inputs and Outputs
System I/O applies to all GUNs in the system. They provide
system status, input for JOB numbers, and all system
commands.
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OPERATION