For your safety
User manual 55530_hdb_en_16 10 / 156
2 For your safety
Read this chapter carefully.
Only after that you may work with the fieldbus module.
2.1 General safety instructions
DANGER!
High electrical voltage in the machine/system.
Death or severe injuries resulting from electric shock.
When working on the machine/modules, comply with the five safety rules
of electrical engineering.
Protection of persons
and material property.
In accordance with DIN VDE 0105-100 – Operation of electrical installa-
tions; Part 100: General specifications
The five safety rules Protect against high electrical voltage
1 | Disconnect
2 | Secure against switching on again
3 | Make sure that there is no voltage on all poles.
4 | Ground and short-circuit
5 | Cover or
block off neighboring parts that are live or energized
Qualified personnel Only qualified personnel instructed in safety is allowed to install the module
and to put it into operation.
They are qualified if they meet the following requirements:
They have undergone suitable electrical engineering training,
They were trained by the machine operator to operate the machine and
instructed on the related safety regulations,
They have access to the Operating Instructions and the manual
They are familiar with the safety standards which are common practice in
automation engineering
They are familiar with the basic and technical standards related to the spe-
cific application
Use of the device Comply with all safety and accident prevention regulations when conduct-
ing project engineering, installation, commissioning, operation, and testing
of the device.
Check material resistance if aggressive media are used.
NOTE
Work on the hardware and software of the device may only be performed by
qualified personnel of Murrelektronik GmbH, with the exception of firmware
updates.
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