Systems and methods for redundant monitoring of electrical property in high availability systems

A system, comprising:

• a control device configured to coordinate within the system to control one or more operations of industrial automation equipment;
• a terminal base configured to couple to the control device, wherein the terminal base comprises a circuit and one or more contacts disposed along the circuit;
• a first input module and a second input module configured to couple to the terminal base, wherein the first input module comprises a first resistor, a contact connector, and a first measuring device, wherein the second input module comprises a second resistor and a second measuring device, and wherein the contact connector is configured to open a contact of the one or more contacts of the terminal base when the first input module being physically placed in the terminal base;
• and
• wherein the terminal base is configured to electrically couple the first resistor to the circuit in response to physically placing the first input module in the terminal base, and wherein the terminal base is configured to electrically isolate the second resistor from the circuit in response to the contact connector of the first input module opening the contact of the terminal base.

A method, comprising:

• receiving, via a processor, a first set of measurements from a first input module, wherein the first set of measurements is associated with a first electrical property across a first resistor of the first input module, wherein the first resistor is electrically coupled to a circuit in response to placing the first input module in a terminal base in conjunction with a second resistor of a second input module being electrically disconnected from the circuit in response to a first contact connector of the first input module opening one or more contacts of the a terminal base;
• adjusting, via the processor, one or more operations of industrial automation equipment in response to the first set of measurements exceeding a threshold value;
• receiving, via the processor, a second set of measurements from the second input module, wherein the second set of measurements is associated with a second electrical property across a second resistor of the second input module, wherein the second resistor is electrically coupled to the circuit in response to the one or more contacts of the terminal base being closed, wherein the one or more contacts of the terminal base are closed in response to removing the first input module from the terminal base, and wherein removing the first input module from the terminal base electrically disconnects the first resistor from the circuit;
• and
• adjusting, via the processor, the one or more operations of the industrial automation equipment in response to the second set of measurements exceeding the threshold value.