Appendix 2. ATEX Ex “ec”/ATEX Type “n” / UKEX Ex “ec” / UKEX Type “n”
App.2-10
TI 33Q01J30-01E
Appendix 2.2 ATEX Ex “ec” / UKEX Ex “ec”
Instruction of FCU (for N-IO system) and
N-IO Node Unit
Apr. 25, 2022-00
Yokogawa Electric Corporation
CENTUM VP N-IO
Instructions
NKE051-A31
1
9
2021-12-17
1, 3, 6
EN IEC 60079-0:2018
EN IEC 60079-7:2015 + A1:2018
EN 60079-11:2012
EN IEC 60079-15:2019
EN 60079-15:2010
The models which conform to these standards are listed in the following tables of the ambient
temperature ranges.
II 3 G Ex ec IIC T4 Gc X
II 3 G Ex ec nC IIC T4 Gc X
II 3 G Ex nA IIC T4 Gc X
II 3 (1) G Ex ec [ia Ga] IIC T4 Gc
II (1) D [Ex ia Da] IIIC
I (M1) [Ex ia Ma] I
Specific Conditions of Use:
·
The equipment shall only be used in an area of not more than pollution degree 2, as defined in EN
60664-1.
·
The equipment shall be installed in an enclosure that provides a degree of protection not less
than IP54 in accordance with EN IEC 60079-0.
·
Transient protection that is set at a level not exceeding 119 V d.c. shall be provided at the supply
terminal to the equipment.
·
The Ambient Temperature ranges are as follows.
