Rockwell Automation Sensia Jiskoot InSpec Remote I/O HUB, Инструкция по установке, эксплуатации и обслуживанию

Страница: 12 / 40

Section 3: Installation Details InSpec Remote I/O HUB (ATEX, IECEx)
12
CABLE ENTRIES
All entries must be fitted with certified and correctly dimensioned gland, equal to the marking on the enclosure (II
2 G Ex db IIB +H2 Gb) or better. For additional information on the applicable standards, refer to IEC/EN
60079-14.
All unused entries must be fitted with certified flameproof blanking elements, equal to the marking on the
enclosure (II 2 G Ex db IIB +H2 Gb) or better. A blanking element shall not be used with an adapter
Each entry shall have no more than one certified flameproof thread adapter, equal to the marking on the
enclosure (II 2 G Ex db IIB +H2 Gb) or better when a thread adapter is used.
When changing the size of an entry, this should be documented and marked accordingly per IEC/EN 60079-1
clause 13.2 marking of the specific thread type and size adjacent to the hole in accordance with table 15.
Intrinsically safe circuits must be installed into the two right hand entries, in the bottom of the enclosure. Once the
circuits are brought into the enclosure, they must remain physically and electrically isolated from any other
circuits within the enclosure.
No Intrinsically Safe Earth is required as only isolated barriers are used in the unit.
MODEL
NUMBER
(REF. ABOVE
IMAGE)
SIZE ‘A’ SIZE ‘B’
A # ### # ## ##
Metric Threads M20 M25
B # ### # ## ## Imperial Threads ¾” 1”
Reserved for Intrinsically Safe
Circuits