I/O Channels and Modules

Note - You can only access this screen if you have the Can access I/O Channels permission. If you need to access this screen and cannot, please contact your system administrator.

To access Channels and Modules, from the EPM Data User Interface, select Options - Device I/O - Hardwired I/O:

The Hardwired I/O screen displays. This consists of three main sections the Physical pane, Channels and Modules pane and Parameter Configuration pane:

Note - The details that display depend on the type of I/O.

Tip - Select Expand

or Collapse

to show or hide a pane.

Tip - Select Expand

or Collapse

to show or hide any images:

Physical View - Allows you to manage I/O modules on a local cluster, see I/O Modules for details. For information on installing I/O modules on the device, see Installation.
Channels and Modules View - Displays all available channels and modules.
Parameter Configuration View - Enables configuration of channels. The details that display depend on the type of I/O:
- Operator Panel - Displays the live value of a channel when valid data is available. You can initialize a value during configuration and change it during operation. For example, an operator initializes a channel value to 20 during configuration and later updates it to 22 using the Operator Panel while the system is running.
  
  See Using the Maths Operator Panel, Using the Timers Operator Panel, Using the Totalizers Operator Panel, Using the Counters Operator Panel and Using the Applications Operator Panel for details.
- Input Calibration (only available for analog input modules/channels) - Ensures input readings are accurate by comparing them with a known reference and adjusting them if required, see Calibrating I/O Modules for details.
- Configuration Panel - Allows you to configure the parameters associated with a channel, see I/O Channels for details.
- Chart and Presentation Settings - Allows you to define how data displays, for example, color, units, scale and zone attributes, see Configuring Chart and Presentation Settings for details.
- Alarms - Allows you to add, configure and delete alarms for a channel, see Configuring an Alarm for details.
Last update - April 2026