NOTICE
Removal and replacement
● Type: 6ES7655-5PX31-1X0
– If you replace components, the suitability for Class I, DIV. 2 becomes invalid.
– Replacing components may affect the usability of the device.
● Type: 6ES7655-5PX31-1AX0
– It is prohibited to open the aluminum housing of the device during operation in a
Zone 22 hazardous area. De-energize the device before carrying out any work on it.
NOTICE
Risk of danger
Read the manual before use to avoid injury.
12.1.2.2
ATEX approval for SIMATIC CFU DIQ (6ES7655-5PX31-1AX0) with and without
aluminum housing (6ES7655-5PX31-1XX0)
Table 12-4
ATEX Certification
Type examination certificate
(number)
DEKRA 18ATEX0134 X
Standards
● IEC 60079-0
● IEC 60079-7
● Only 6ES7655-5PX31-1AX0: IEC
60079-31
II 3 G Ex ec IIC T4 Gc
Type: 6ES7655-5PX31-1XX0 and
6ES7655-5PX31-1AX0
II 3 D Ex tc IIIC T80 °C Dc
Only type: 6ES7655-5PX31-1AX0
Technical specifications
12.1 General technical specifications
SIMATIC CFU
Commissioning Manual, 08/2019, A5E39252870-AD
155
Summary of Contents for Simatic CFU
Page 8: ...Table of contents SIMATIC CFU 8 Commissioning Manual 08 2019 A5E39252870 AD ...
Page 10: ...Security information SIMATIC CFU 10 Commissioning Manual 08 2019 A5E39252870 AD ...
Page 16: ...What is a Compact Field Unit SIMATIC CFU 16 Commissioning Manual 08 2019 A5E39252870 AD ...
Page 54: ...Installation 6 4 Removing the CFU SIMATIC CFU 54 Commissioning Manual 08 2019 A5E39252870 AD ...
Page 202: ...Appendix A 10 Contact SIMATIC CFU 202 Commissioning Manual 08 2019 A5E39252870 AD ...
Page 216: ...Glossary SIMATIC CFU 216 Commissioning Manual 08 2019 A5E39252870 AD ...
Page 220: ...Index SIMATIC CFU 220 Commissioning Manual 08 2019 A5E39252870 AD ...