Setting Dry-Contact Inputs
  • 25 Jan 2024
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Setting Dry-Contact Inputs

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Article summary

Units with the dry-contact hardware option enabled are equipped with four dry-contact inputs that enable you to monitor and report the status of external devices.

The reporting of the current state of each dry-contact input is found in System ▶ Alarm ▶Dry-Contact.

PinSignal
1GND1 (ground)
2DC1 (dry-contact 1 input)
3GND3 (ground)
4DC2 (dry-contact 2 input)
5GND2 (ground)
6DC3 (dry-contact 3 input)
7GND4 (ground)
8DC4 (dry-contact 4 input)

To set dry-contact inputs

  1. Access the page System ▶Configuration ▶Dry-Contact.

  2. Select Enable for each dry-contact input you wish to monitor.

  3. Enter values for each of the parameters, then click Apply.

For more information on specific parameters, refer to the following table.

Dry-Contact Input Parameters (System ▶Configuration ▶Dry-Contact)

ParameterDescription
EnableEnable/Disable the use of the dry-contact input. When enabled, the alarm point for this input is created and the input is monitored.
Normal Input StateSelect the normal state of the input. An alarm will be raised when the input state of the dry-contact is different from the normal state for more than three consecutive samples. Possible values are:
  • Closed
  • Open
Input Sampling PeriodThe time, expressed in milliseconds, between two consecutive readings of the input state.

Range: 100–1000 milliseconds, expressed in steps of 100 milliseconds.

NameThe name to assign to the dry-contact input.

Range: 1–127 characters; numbers and special characters are supported.

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