Interlocks use simple logic to bring conditions together within a system. An example of a simple interlock is the interaction between a lighting switch or sensor, and a lighting circuit. To apply an interlock, you must have a Verasys IOM device within the system. An input sensor, or an input switch, such as a dry contact, identifies as a trigger point of the lighting action. The input determines the action of either turning on or off the lights. All outputs must be wired to a Verasys IOM module for all interlock logic.
You can use the interlock menu to set up interlocks. You can configure interlock conditions on Verasys IOM Binary Output (BO), using the interlock set-up.
Interlocks can contain one condition or two conditions. In two-condition interlocks, you can define a logical AND or a logical OR connection between the conditions. The system performs the interlock action if both conditions are true (AND) or if one of the conditions is true (OR).
Interlock configuration includes the following tasks:
- Configuring a one-condition interlock
- Configuring a two-condition interlock where both conditions must be true (AND), or either condition may be true (OR)
- Disabling an interlock
- Viewing IOM controller interlock summary
- Viewing IOM controller interlock details