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hager h3+ User Manual

hager h3+
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1196LE005550A
Communication via Modbus
5.2 Write protection and managing Modbus passwords
WARNING
Risk of nuisance tripping and faulty tripping.
Only qualified personnel are to set the protection levels remotely.
Failure to respect these instructions may cause death, serious injuries or
equipment damage.
Remote modifications made to the Modbus registers may be dangerous for
personnel near the circuit breaker or may cause damage to the equipment if
the protection parameters are modified.
Consequently, the remote data write commands have two protection levels:
- At the Energy circuit breaker level (see § 4.2.4 - Information about setting
the data write permission - page 82)
- At the Modbus password management level
Managing passwords
The Modbus write access commands are protected by 4 password levels:
Level 0 : Access to data concerning the date, time and custom fields
Level 1 : Access to measurement configuration data
Level 2 : Access to potentially dangerous data for the installation
Level 3 : Access to reset level 1 and 2 passwords
Only levels 1 to 3 are password-protected:
Level 1 : Default password "Level1"
Level 2 : Default password "Level2"
Level 3 : Password created using the HTP610H configuration tool
Note
For more information about the secure write commands, please contact us.

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hager h3+ Specifications

General IconGeneral
Brandhager
Modelh3+
CategoryCircuit breakers
LanguageEnglish

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