Toshiba P9, Installation & Operation Manual

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248 P9 ASD Installation and Operation Manual
138 139
Low Suction/No Flow Protection — Will not allow the ASD to start if activated, or terminates the ASD output
upon activation (if running) in the event of the loss of feed water or a closed output valve at the pump output.
140 141
Sealing Water —
Once an adequate water supply is detected at the pump seal via a reed switch, activation enables
the ASD for normal operations.
142 143
Virtual Linear Pump Enable/Disable — Activation enables the Virtual Linear Pump function for normal
operation. The Virtual Linear Pump function is disabled when the terminal is not active.
144 145 ON Float — Activation runs the ASD at the setting of F456 .
146 147
OFF Float —
Activation has a dual function:
1) Changes the operating mode from Process Hold to Direct .
2) Turns off the ASD.
148 149
Trigger Float —
Activation changes the operating mode from Process Hold to Direct .
150 151
Alarm Float —
This input is typically connected to a float switch that, when activated, annunciates that the fluid level
is now critical. The discrete output terminals OUT1 and/or OUT2 may be associated with the activation (set OUT1 /
OUT2 to TBA Alarm Float to activate an auxiliary system — i.e., aux pump, relief valve, audible/visual alarm, etc.).
152 153
TBA HOA Switch — Activation enables Time-Based Alternation operation. Operates in conjunction with the
setting of F417 .
NO/NC = Normally Open/Normally Closed.
*Selection numbers are used when configuring the ASD via communications. The Normally Open (NO) or Normally
Closed (NC) configuration must be chosen by selecting the associated number.
Table 6. Discrete Input Terminal Assignment Selections and Descriptions. (Continued)
*Sel. No.
Terminal Selection Descriptions
NO NC
Sealing Water