Configuring S8 Channels

The S8 module offers standard MDT or SSI for all its inputs. In addition, channels 6 and 7 can be configured as one of the following options:

• One Quadrature Input
  A single quadrature input that uses SSI inputs 6 and 7.

• One SSI Monitor Input
  A single SSI_Monitor input thatuses SSI inputs 6 and 7.

These options must be configured before being assigned to axis inputs. To configure the channels, open the S8 properties dialog:

1. In the Project Pane, expand the Modules folder

2. Double-click the desired S8 module and choose Configuration.

3. In the Channel 6/7 Operating Mode section, choose the desired mode and click OK. See the sections below for details one each mode.

Two SSI/MDT Inputs

SSI inputs 6 and 7 will be standard inputs that support MDT or SSI.

Quadrature Input

The One Quadrature Input option will result in one RS-422 quadrature input (A+, A-, B+, B-) that uses the S8 inputs 6 and 7.

The I/O pins on the S8 module for these channels are redefined as:

Once inputs 6 and 7 are configured as a quadrature input, you can use that quadrature input when defining axes in the Axis Definitions dialog.

SSI Monitor Input

The One SSI Input option will result in one SSI_Monitor input that uses the S8 inputs 6 and 7.

The I/O pins on the S8 module for these channels are redefined as:

Once inputs 6 and 7 are configured as an SSI Monitor input, you can use that input when defining axes in the Axis Definitions dialog.

See Also

S8 Module (RMC200) | SSI Fundamentals | MDT Fundamentals | Quadrature Fundamentals

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