YOKOGAWA SC202G, User Manual

Page: 31 / 110

IM 12D08B02-01E
2-18 Specifications
SC202S-B
or SC202S-D
Transmitter
- +
Transmitter
-
+
Unclassified Location Classified Location
Division 2
FM Approved
Power Supply
Voc d 32 VDC
Sensor
Connections
Max. cablelength: 60 mtr.
Cable dia.: 3…12 mm.
FM Class I, DIV. 2, Group ABCD
T4 for ambient temp. d 55 q C
T6 for ambient temp. d 40 q C
Sensor
Connections
-
+ -
+
FM Approved
Terminator
R = 90..100 Ω
C = 0..2,2 μ F
FM Approved
Terminator
R = 90..100 Ω
C = 0..2,2 μ F
x
Sensor(s) are of a passive type to be regarded as 'simple apparatus', devices which
neither store nor generate voltages over 1.5 V, currents over 0.1 A, power over 25 mW or
energy over 20 P J, or are FM Approvals entity approved and meet connection
requirements.
x
Electrical data of the SC202S-B & SC202S-D:
-
Supply circuit: Vmax= 32 V; Pi= 5.32 W; Ci= 220 pF; Li= 0 P H
-
Sensor input circuit: Vt= 14.4 V; It= 10 mA; Ca = 1.71 μ F; La = 600 mH
When installing this equipment, follow the manufacturers installation drawing.
Installation shall be in accordance with Article 501.4(B) of the National Electrical
Code (ANSI/NFPA 79).
Non-incendive field wiring may be installed in accordance with Article 501.4(B)(3)
x Grounding shall be in accordance with Article 250 of the National Electrical code.
x In case of using cable glands in Outdoor location, they shall be UV rated or made of metal.
WARNING
- Substitution of components may impair suitability for Division 2.
- Do not remove or replace while circuit is live unless area is know to be non-hazardous
- Explosion Hazard – Do not disconnect equipment unless area is know to be
non-hazardous
- Do not reset circuit breaker unless power has been removed from the equipment or the
area is know to be non-hazardous
2-14. Control Drawing of SC202S FF/PB Specification (FM Non-incendive FNICO)
Application Doc. No.: IKE027-A10 P.10