Note
Special conditions
● Measures must be taken to protect against exceeding the rated operating voltage by
transient interference voltages of more than 119 V.
● Device without aluminum housing (type: 6ES7655-5PX31-1XX0):
– The device may only be used in areas with a pollution degree of not more than 2
according to IEC 60664‑1.
– The device must be installed in a suitable enclosure which meets the following
requirements:
The enclosure shall provide a degree of protection of at least IP54 in accordance with
IEC 60079‑7, taking into account the ambient conditions of use.
● Device with aluminum housing (type: 6ES7655-5PX31-1AX0):
– The device provides IP66 degree of protection according to IEC 60079-31.
12.1.2.3
IECEx approval for SIMATIC CFU DIQ (6ES7655-5PX31-1AX0) with and without
aluminum housing (6ES7655-5PX31-1XX0)
Table 12-5
IECEx certification
Certificate number
IECEx DEK 18.0086X
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
Note
Special conditions
● Measures must be taken to protect against exceeding the rated operating voltage by
transient interference voltages of more than 119 V.
● Device without aluminum housing (type: 6ES7655-5PX31-1XX0):
– The device may only be used in areas with a pollution degree of not more than 2
according to IEC 60664‑1.
– The device must be installed in a suitable enclosure which meets the following
requirements:
The enclosure shall provide a degree of protection of at least IP54 in accordance with
IEC 60079‑7, taking into account the ambient conditions of use.
● Device with aluminum housing (type: 6ES7655-5PX31-1AX0):
– The device provides IP66 degree of protection according to IEC 60079‑31.
Technical specifications
12.1 General technical specifications
SIMATIC CFU
156
Commissioning Manual, 08/2019, A5E39252870-AD
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 ...