Specifications For Nominal Line Voltages, Isolation Tests, Protection Class, And Type Of Protection - Siemens SIMATIC ET 200eco Manual

General Technical Specifications
7.6 Specifications for Nominal Line Voltages, Isolation
Tests, Protection Class, and Type of Protection
Nominal Line Voltages for Operation
The fail-safe ET 200eco I/O module operates with rated voltage 24 VDC. The
tolerance range is 20.4 V DC to 28.8 V DC.
Protection Class
Protection class I in compliance with IEC 60536 (VDE 0106-1); in other words,
ground terminal required on grounding screw!
Pollution degree/Overvoltage category according to IEC 61131
• Pollution degree 2
• Overvoltage category
- at U
Degree of protection IP 65
Degree of protection to IEC 529
• Protection against ingress of dust and full protection against touch
• Protection against a stream of water from a nozzle onto the enclosure from all
directions. (The water must not have any detrimental effects.)
Degree of protection IP 66 and 67
Degree of protection to IEC 529
• Protection against ingress of dust and full protection against touch
• IP 66: Protection against heavy seas or strong water stream. (Water must not
enter the enclosure in harmful quantity.)
• IP 67: Protection against water when the enclosure is immersed in water under
specified pressure and time conditions. (Water must not enter the enclosure in
harmful quantity.)
7-14
= 24 VDC: II
N
ET 200eco Distributed I/O Station Fail-Safe I/O Module
A5E00297494-02