Yokogawa Electric Corporation
Model
ProSafe-RS/ProSafe-RS Lite
Title
Control drawing
No.
NFM014-A13
Page
9
Revision
78
Notes:
1. No revision to this drawing without prior approval of FM.
2. Installation must be in accordance with the National Electrical Code (NFPA 70) and relevant
local codes.
3. 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.
4. PROSAFE-RS IS SUITABLE FOR USE IN CLASS 1, DIVISION 2, GROUPS A, B, C, and D OR
NONHAZARDOUS LOCATIONS ONLY.
5. It must be observed during the installation that the venting slots of the devices are not blocked
by cable parts, fixing accessories etc.
6. The doors of the cabinets must be closed when ProSafe-RS is energized.
7. Nonincendive field wiring is permitted for the modules listed in tables of the Nonincendive field
wiring parameters.
7.1 The nonincendive field wiring circuit concept allows interconnection of nonincendive field wiring
apparatus with associated nonincendive field wiring apparatus, using any of the wiring methods
permitted for unclassified locations.
7.2 Field equipment or other equipment connected to ProSafe-RS by nonincendive field wiring must
be FM approved.
7.3 The control drawing of field equipment or other equipment must be followed at the installation.
7.4 The following conditions must be met. See tables for the nonincendive field wiring parameters
of ProSafe-RS.
Vmax ≥ Voc or Vt; Imax ≥ Isc or It; Ca ≥ Ci + Ccable; La ≥ Li + Lcable
7.5 For current controlled circuits, Imax of the nonincendive field wiring apparatus is not required
and need not be aligned with parameter Isc or It of ProSafe-RS or other associated
nonincendive field wiring apparatus.
8. Use only the following batteries specified by Yokogawa Electric Corporation for the CPU
modules:
SCP461: S9185FA, S2CP471 and L1CP471: S9450FE
9. Use only the following FANs specified by Yokogawa Electric Corporation for AIP602:
A1159EM or A1213EM
10. WARNING – EXPLOSION HAZARD. SUBSTITUTION OF COMPONENTS MAY IMPAIR
SUITABILITY FOR DIVISION 2.
11. WARNING – EXPLOSION HAZARD. DO NOT DISCONNECT EQUIPMENT WHEN A
FLAMMABLE OR COMBUSTIBLE ATMOSPHERE IS PRESENT.
12. WARNING – EXPLOSION HAZARD. DO NOT REMOVE OR REPLACE FUSES UNLESS
POWER HAS BEEN DISCONNECTED OR WHEN A FLAMMABLE OR COMBUSTIBLE
ATMOSPHERE IS PRESENT.
13. WARNING – EXPLOSION HAZARD. DO NOT OPEN ENCLOSURE OR REPLACE BATTERY
WHEN A FLAMMABLE OR COMBUSTIBLE ATMOSPHERE IS PRESENT.
Dec. 3, 2021-00
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