Chapter C Chapter C
Maintenance Mode
86
W301-0411E
2.2 Di Check
Displays the status of digital input. In the maintenance main menu of Fig. 1.3.1, select "Di Check," and press the
<
> key to display the Di check screen shown in Fig. 2.2.1.
Pressing the <
> key (previous page) or the < > key (next page) changes the pages.
To go back to the maintenance main menu, press the <
> key.
Fig. 2.2.1 Di check screen
<Description of display contents>
Port State
Di1 to Di28: Input to AML Close: Contact ON
Ds11 to Ds18: Input to serial port 1 Open: Contact OFF
Ds21 to Ds28: Input to serial port 2
Reading method of Di signal (State)
Di signal “State” shows “Open” and “Close” of the each switch contact.
However, Main and Aux. winch twoblocking detection switch (circuit) contacted with the series circuit.
Therefore when either switch detects the overwound and the switch contact becomes “Open”, then, both
contacts become “Open”. In a word, State of Di5 changes two signals at the same time.
These functions are not provided in other Ai and Pi, etc.
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