Notes About Usage - Siemens SIMATIC HMI OP 73micro Operating Instructions Manual

Safety instructions and general notes

2.3 Notes about usage

IEC 61131
The HMI device fulfills the requirements and criteria conforming to IEC 61131-2,
Programmable Logic PLCs, Part 2: Operating resource requirements and tests.
2.3 Notes about usage
Use in industry
The HMI device is designed for industrial use. The following standards are met:
● Requirements of the emission of interference EN 61000-6-4: 2001
● Requirements for noise immunity EN 61000-6-2: 2001
Residential use
If the HMI device is used in a residential area, you must take measures to achieve Limit
Class B conforming to EN 55011 for RF interference.
Suitable measures to achieve Limit Class B for suppression of radio interference include:
● Installation of the HMI device in a grounded control cabinet
● Use of filters in electrical supply lines
Use in potentially explosive atmosphere, Zone 2
Risk of explosion
Operate the HMI device only in a Zone 2 potentially explosive atmosphere if it has been
identified as approved for such environments.
Figure 2-1
● II 3 G/D EEx nA II
● IP65
● 04 ATEX 1297X
20
DANGER
Explosion protection label
WARNING
Personal injury and property damage can occur.
Personal injury and property damage can occur in potentially explosive atmospheres if
an electric plug is disconnected from the HMI device while the system is in operation.
In potentially explosive atmospheres, always turn off power to the HMI device before
disconnecting any connectors.
OP 73micro, TP 177micro (WinCC flexible)
Operating Instructions, 09/2007, 6AV6691-1DF01-0AB0