Delta RMC101 User Manual Page 259

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Digital I/O 5.1
Communications 5-9
3. Click Slot options.
The Sensor Digital I/O dialog box has the following areas:
Invert Inputs check boxes
To invert inputs, select the check boxes of the inputs you want inverted. When digital inputs are
displayed with the I/O Bit Monitor they are displayed after they have been inverted.
Invert Outputs check boxes
To invert outputs, select the check boxes next to the outputs you want inverted. When digital
outputs are displayed with the I/O Bit Monitor they are displayed before they have been inverted.
Counter Type Selection
The Sensor Digital I/O is equipped with quadrature and edge counters. Only one of these two
counters may be used at a time. Similarly, only one of the counters on the Sensor or
Communication Digital I/O modules can be enabled at a time. Refer to Using Counters for details.
This section will be unavailable if the Communication DI/O is configured in Parallel Event mode
because this mode uses all inputs on both the Communication DI/O and Sensor DI/O.
This dialog box has two available commands:
Update RMC
This command sends the Sensor Digital I/O options to the RMC, issues an Update Flash
command, and resets the RMC to make all changes take effect.
Cancel
This command closes the dialog box and discards changes.
5.1.6 Communication Digital I/O
5.1.6.1 Using the Communication Digital I/O
The Digital I/O module provides a simple communications interface between the motion controller
and the system controller or Programmable Controller (P/C). RMC modules are available with two
types of Digital I/O. When a digital I/O is installed to the left of the CPU, it is called the
Communication Digital I/O. When a digital I/O is installed to the right of the CPU, it is called the
Sensor Digital I/O. Both share the same specifications, refer to Digital I/O Specifications for this
information. However, the Sensor and Communication Digital I/O’s have different features. This
topic discusses the features of the Communication Digital I/O.
The Communication Digital I/O has eighteen digital inputs and eight digital outputs. The use of
these digital inputs is configured using the Communication DI/O Options dialog box. To open
this dialog box:
1. On the Tools menu, click Module Configuration.
2. In the Slots list, click the Comm Digital I/O item. This item will only be available if a
Communication Digital I/O module is installed.
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