Technical data
Table Of Contents
- 1 Important Notes
- 2 I/O Modules
- 3 Use in Hazardous Environments
- 3.1 Marking Configuration Examples
- 3.2 Installation Regulations
- 3.2.1 Special Conditions for Safe Operation of the ATEX and IEC Ex (acc. DEMKO 08 ATEX 142851X and IECEx PTB 07.0064)
- 3.2.2 Special conditions for safe use (ATEX Certificate TÜV 07 ATEX 554086 X)
- 3.2.3 Special conditions for safe use (IEC-Ex Certificate TUN 09.0001 X)
- 3.2.4 Special conditions for safe use (ATEX Certificate DEKRA 11ATEX0203 X)
- 3.2.5 ANSI/ISA 12.12.01
24 • Use in Hazardous Environments
WAGO-I/O-SYSTEM 750
I/O Modules
3.1.2 Marking for America according to NEC 500
Figure 5: Side marking example for I/O modules according to NEC 500
Figure 6: Text detail – Marking example for I/O modules according to NEC 500
Table 3: Description of marking example for I/O modules according to NEC 500
Printing on Text Description
CL 1 Explosion protection group (condition of use
category)
DIV 2 Area of application (zone)
Grp. ABCD Explosion group (gas group)
Optemp code T4 Temperature class