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User's Manual
 Environment Setting Section > Methods for Connecting and Communicating with External Devices > Controlling/Outputting through Parallel Communication > Checking Communication Status (Parallel Interface)

Checking Communication Status (Parallel Interface)

Check the communication status with the external devices connected with a parallel interface. You can check whether wiring and communication settings have been performed correctly.
  1. On the Main screen, tap [System] - [Communication] - [Parallel].
    The Parallel window is displayed.
  2. Tap [Confirmation] to check the I/O status.
    Parallel - Confirmation window
    ON
    Description
    STEP0, STEP1
    The input status of each signal from the external device to the controller is displayed.
    When a signal is input, the background color becomes red.
    DSA0, DSA1
    DI
    RUN
    The output status of each signal is displayed.
    When a signal is output, the background color becomes red.
    The output status from each signal of the controller to external devices can be specified.
    Changes between ON and OFF and between 0 and 1 can be simulated without performing measurement.
    GATE0, GATE1
    BUSY
    OR0, OR1
    ERR
    READY0, READY1
    DO
    Important
    • That status of each of the parallel terminal signals STEP, DSA, GATE, OR, and READY can be checked on the screen with STEP0, DSA0, GATE0, OR0, and READY0.
  3. Change the contents to be sent.
    Parallel - Confirmation window
    When switching between "ON"/"OFF" is performed, the changed contents are displayed on the monitors of external devices. Check for any problems.
  4. Tap [OK].
    The Parallel window closes.
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