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AVEVA™ Plant SCADA

Driver-specific Parameters

  • Last UpdatedAug 04, 2025
  • 2 minute read

warning2

UNINTENDED EQUIPMENT OPERATION

Do not change these protocol parameters, except on the advice of Technical Support for this product.

Failure to follow these instructions can result in death, serious injury, or equipment damage.

Parameter

Allowable values

Default value

Description

[<unit>]SCADAAddress

0-65534

[DNPR]
SCADAAddress

This parameter has the same functionality as the driver-level DNPR parameter [DNPR]SCADAAddress, but only applies to units in this device group.

It allows you to specify multiple master devices, instead of only one (e.g. Plant SCADA).

[<unit>]Timeout

500-32767 ms

5000

Default application layer timeout (in milliseconds) for the specified I/O device group.

This parameter has the same functionality as the driver-level DNPR parameter [DNPR]Timeout.

[<unit>]Retry

0 - 8

1

Default number of application layer retries for the specified device group, as well as physical transport writes allowed before a channel is placed offline.

This parameter has the same functionality as the driver-level DNPR parameter [DNPR]Retry.

[DNPR]
TimeoutExtensionDefault

[<unit>]
TimeoutExtension

0 - 2,000,000,000 ms

0

Default extension to be added to the standard 'timeout" parameter. This extension is only required if a timeout greater than 32000 milliseconds is needed.

[DNPR]
OnTimeBODNPDefault

[<unit>]
OnTimeBODeviceDefault

0 - 2,000,000,000 ms

1000

Default value to be used by theOnTimeBODeviceDefault device level .ini parameters.

The OnTimeBODeviceDefault in turn defines the default value for momentary Binary Output closure times for that device (unit). Each Binary Output can have its closure time individually configured.

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