Working On Electrical Parts; Residual Risks; Live Parts - Siemens SIMATIC ET 200eco PN M12-L System Manual
Distributed i/o system et 200eco pn
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Also See for SIMATIC ET 200eco PN M12-L:
- Operating instructions manual (278 pages) ,
- Compact operating instructions (156 pages) ,
- System manual (92 pages)
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Safety instructions
2.7 Residual risks
2.6
Working on electrical parts
Only work on electrical parts if you are a qualified specialist (see section Target group and
personnel qualifications (Page 17)).
• 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
After completing work:
• Restore operational readiness in reverse order.
2.7
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.
2.7.1
Live parts
Operation
• Do not open the module.
• Do not use damaged modules.
• Pull the plug and not the cable.
Installation and connection
• Only work on electrical parts if you are a qualified specialist (see section Target group and
personnel qualifications (Page 17)).
• Adhere to the protective measures for safe working on electrical parts (see section
Working on electrical parts (Page 18))
• Fuse the connection cables according to the current-carrying capacity of the cable used,
taking into account the applicable standards.
• Ground the module according to regulations.
• For the 24 V DC supply (SELV/PELV), only use power supply units that provide safe
electrical extra-low voltage in accordance with IEC 61131‑2 or IEC 61010‑2-201.
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Distributed I/O system ET 200eco PN M12-L
System Manual, 11/2023, A5E48753295-AG
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