Precision Digital PD941 - Manual (Page 45)

ConsoliDator Multi-Channel Controller Instruction Manual
45
Manual and Simulation Modes
When manual mode is entered, all outputs are suspended or frozen in their current state
until they are changed manually, although totalization continues while in Manual mode.
For example: Relay #1 is programmed to activate a pump based on the level of
Channel #1. If the activation level is reached, and the pump is turned on, it will remain
active through the transition from Automatic to Manual. In Manual mode, the relay will not
respond to changes in the Channel #1 level even if it goes below a programmed
reset point. The operator has complete control over each relay’s state and must turn Relay
#1 off by doing so in the Manual Relay Control Screen (shown below on this page.)
Accordingly, when transitioning from Manual to Automatic Mode, the controller scans the
inputs and updates output status ignoring changes to relay status while in Manual mode.
However, if the setup and programming of the controller was modified during Manual mode,
these changes take effect the moment the controller re-enters Automatic mode. You may
choose to disable outputs while reprogramming by entering Manual mode.
Manual Relay Control
To the right is an example of a
Manual Relay Control screen as it
appears in Manual mode. The
screen displays the current state of
the relay, the total time the relay
has spent in the ON state and how
many times the relay has cycled
from OFF to ON. In Manual mode,
this screen allows for overriding the
relays and resetting the Hours and
Cycles counts.
,  Move cursor up or down one relay.
ON / OFF Press to turn selected relay on or off.
RESET Press to reset Hours and Cycles counts for selected relay.
NEXT/EXIT Press to scroll to the next operation screen.
Simulation Mode
To the right is an example of an
analog input Simulation screen.
Simulation is accessible to each
analog input individually.
Simulation mode may be accessed
while operating in Automatic mode
or Manual mode. When in
Automatic mode, all outputs
respond to the simulation as
programmed for normal operation.
During Manual mode, changing the
settings has no effect on outputs.
100 ft
Ch 1:
87.5
ft
Sensor In: 18.00 mA
Rly: Low: High:
2: 40.0 50.0 ON
3: 8.0 20.0 ON
H2
L2
H3
L3
0 ft
+ - EXIT
+, - Increase or decrease level.
EXIT Press to exit Simulation mode.