And

This function block performs a logical AND operation on two boolean inputs and outputs a single boolean result. It is used to combine two conditions: the output is True only when both inputs are True.

📥 Inputs

• Boolean (first input) Provide a boolean condition (e.g., result of a comparison or a manual boolean input).

• Boolean (second input) Provide a second boolean condition to combine with the first.

📤 Outputs

• Boolean Result of the AND operation. True when both inputs are True, otherwise False.

🕹️ Controls

• No Controls This block has no adjustable widgets. It only evaluates the provided boolean inputs.

⚙️ Running mechanism

When the system runs, the block evaluates both boolean inputs and returns a single boolean output. The result reflects the logical AND of the two inputs: True only if both inputs are True. Use comparator blocks or boolean inputs upstream to produce the required boolean signals.

🎯 Features

• Simple and reliable boolean combination for flow control and triggers.

• Works with comparator and boolean-producing blocks to build condition logic.

• Small and lightweight — ideal to use inside decision branches or to gate actions.

📝 Usage examples

• Combine a detection check and a timer: feed a detection comparison (for example, use a Greater block on an Object Count output) into one input and a timing/enable boolean into the other to trigger actions only when both are satisfied.

• Ensure both inputs are boolean-producing blocks such as Logic Input, comparators (Greater, Smaller, Equals), or other logic blocks (Not, Or).

💡 Tips and Tricks

• To check that an object is present and a safety condition is met: use Object Detection (or Object Detection - Custom) → compare its Object Count with Greater → combine that result with a Safety Equipment Detection check using this And block.

• For multi-condition checks (more than two conditions), use All True to evaluate a list of boolean values, or chain multiple And blocks.

• Use Not to invert a condition before feeding into And if you need to require a negative condition (for example, "object present" AND "not alarmed").

• Use Edge Rising or Rising Edge when you want the And result to trigger only on a signal transition (combine the edge output with another boolean in this block).

• To toggle outputs (e.g., LEDs or logging) when combined conditions are met, feed this block's output to Led Output, Image Logger, Image Write, or Record Video.

🛠️ Troubleshooting

• Unexpected False result: verify both upstream outputs are actual boolean values. Use Logic Input or comparator blocks (Greater, Equals, Smaller) to convert numeric outputs to boolean conditions.

• Unexpected True result: check that neither input is unintentionally True (e.g., default or uninitialized signals). Use Is None or Data Type Converter earlier in the chain to validate inputs.

• Need more than two conditions: either chain And blocks or use All True to evaluate a list of boolean values.