Yokogawa Electric Corporation
Model
ProSafe-RS N-IO field enclosure
Title
Control drawing (US)
No.
NFM037-A101
Page
2
Revision
1
Specific condition of use:
- S2NN60D shall be installed in S2CB60.
- Since Ta is not marked on the equipment, the control drawing NFM037-A101 shall be referred
to for the ambient temperature range.
- Ambient temperature: −40 to +55 °C (outside the enclosure)
Notes:
1. No revision to this drawing without prior approval of FM.
2. In this control drawing, the term “installation” includes reconfiguration of the function of
each module, which is carried out in maintenance process.
3. Installation must be in accordance with the National Electrical Code (NFPA 70) and relevant
local codes.
4. In the course of installation, the related documents of GS (General specifications), TI
(Technical Information of Installation Guidance), and IM (User’s Manuals) should be
referred to and the instructions described in the documents should be observed.
5. THE EQUIPMENT IS SUITABLE FOR USE IN CLASS 1, DIVISION 2, GROUPS A, B, C,
and D OR NONHAZARDOUS LOCATIONS ONLY.
6. When nonincendive field wiring is used as a wiring method, the installation must be in
accordance with the control drawing NIE009-A101 (FM16US0077X).
7. The option code (/MDV1S, /MDV1D, /MMM1S and /MMM1D) indicates the default setting of
I/O modules at the time of shipping from a factory. The pre-installed I/O modules are
replaceable to separately prepared modules which are listed on FM16US0077X.
8. WARNING – SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR
DIVISION 2.
9. WARNING – DO NOT OPEN THE ENCLOSURE WHEN AN EXPLOSIVE ATMOSPHERE IS
PRESENT.
10. WARNING – EXPLOSION HAZARD. DO NOT DISCONNECT EQUIPMENT WHEN A
FLAMMABLE OR COMBUSTIBLE ATMOSPHERE IS PRESENT.
11. WARNING – EXPLOSION HAZARD. DO NOT REMOVE OR REPLACE FUSES UNLESS
POWER HAS BEEN DISCONNECTED OR WHEN A FLAMMABLE OR COMBUSTIBLE
ATMOSPHERE IS PRESENT.
12. WARNING – EXPLOSION HAZARD. DO NOT RESET CIRCUIT BREAKER UNLESS
POWER HAS BEEN REMOVED FROM THE EQUIPMENT OR THE AREA IS FREE OF
IGNITIBLE CONCENTRATIONS.
Dec. 3, 2021-00
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