| Value | The value which will be compared to the high and low limits. | False | Input | Analog port |
| High value | Contains the high value limit. If the value is higher than this value the High indicator port becomes true. | True | Input | Analog port |
| Low value | Contains the low value limit. If the value is lower than this value the Low indicator port becomes true. | True | Input | Analog port |
| High indicator | Becomes true if the value is higher than the High value. | False | Output | Digital port |
| Low indicator | Becomes true if the value is lower than the Low value. | False | Output | Digital port |