Safe Working; Working On Electrical Parts; Residual Risks; Live Parts - Siemens SIMATIC S7-1500 System Manual
Redundant system
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Also See for SIMATIC S7-1500:
- Function manual (402 pages) ,
- System manual (393 pages) ,
- Manual (188 pages)
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Safety information
2.8 Safe working
2.8
Safe working
2.8.1
Working on electrical parts
• Only work on electrical parts if you are a qualified specialist (see section Target group and
personnel qualification (Page 20)).
• Always observe the country-specific safety rules.
• Notify all those who will be affected by the procedure.
• Follow the 5 safety rules according to DIN EN 50110-1 (VDE 0105-1):
1. Disconnect
2. Secure to prevent reconnection
3. Verify safe isolation from the supply (all poles)
4. Ground and short-circuit
5. Erect barriers around or cover adjacent live parts
2.9
Residual risks
Despite all the technical and procedural risk reductions that have been carried out, not all
dangers can be avoided.
The following sections describe these residual risks and measures to avoid them.
2.9.1
Live parts
Electrocution on contact with live parts leads to life-threatening injuries (death).
Operation
• Do not open the device.
• Never use damaged devices.
• Pull the plug and not the cable.
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S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF
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