Yokogawa digitalYEWFLO (DY-FF) - Manual (Page 54)

<10. EXPLOSION PROTECTED TYPE INSTRUMENT>
10-5
IM 01F06F00-01EN
10.2 FM
 Technical Data
• Explosion Proof
Applicable Standard: FM3600 2011, FM3611 2004,
FM3615 2006, FM3810 1989,
Including Supplement 1 1995,
ANSI/NEMA 250 1991
Type of Protection: Explosion proof for Class I,
Division 1, Groups A,B, C and D;
Dust-ignition proof for Class II/III,
Division 1, Groups E, F,and G.
“SEAL ALL CONDUITS 18 INCHES.” “ WHEN
INSTALLED IN DIV.2, SEALS NOT REQUIRED”
Enclosure Rating: Type 4X
Temperature Code: T6
Ambient Temperature: -29 to 60°C (Integral Type
Vortex Flowmeter and
Remote Type Vortex Flow
Detector)
-40 to 60°C (Remote Type
Vortex Flow Converter)
Power Supply: 9 to 32Vdc (Integral Type Vortex
Flowmeter and Remote Type Vortex
Flow Converter)
Output Signal (Remote Type Vortex Flow Detector):
Output Signal to Converter; 30Vp-p,
100
μAp-p
Input/Output Signal (Remote Type Vortex Flow
Converter):
Input Signal from Flowmeter; 30Vp-p,
100
μAp-p
Electrical connection : ANSI 1/2 NPT female
(Special)
• Intrinsically Safe
Applicable Standard: FM3600: 1998, FM3610:
2010, FM3611: 2004,
FM3810: 2005,
NEMA 250: 1991,
ANSI/ISA-60079-0: 2009,
ANSI/ISA-60079-11: 2009,
ISA 60079-27: 2006
Type of Protection : Intrinsically Safe for Class I,
II, III, DIV.1, Groups A, B, C, D, E, F and G,
T4, and Class I, Zone 0, AEx ia IIB/IIC T4,
Entity, FISCO
Nonincendive for Class I, II, Div.2, Groups
A, B, C, D, F and G, Class III, DIV.1, Class I,
Zone 2, Group IIC, FNICO
Ambient Temperature :
–29 to +60°C (Integral Type Vortex
Flowmeter)
–29 to +80°C (Remote Type Vortex Flow
Detector)
–40 to +60°C (Remote Type Vortex Flow
Converter)
Indoors and Outdoors : Type 4X
Electrical Parameters : Intrinsically Safe
[Entity] Vmax=24V, Imax=250mA, Pi=1.2W,
Ci=3.52nF, Li=0
[FISCO (IIC)] Vmax=17.5V, Imax=380mA,
Pi=5.32W, Ci=3.52nF
[FISCO (IIB)] Vmax=17.5V, Imax=460mA,
Pi=5.32W, Ci=3.52nF, Li=0
Nonincendive
Vmax=32V, Ci=3.52nF, Li=0
 Wiring
• Explosion proof
WARNING
• All wiring shall comply with National
Electrical Code ANSI/NFPA 70 and Local
Electrical Code.
• “SEAL ALL CONDUITS 18 INCHES”
“ WHEN INSTALLED DIV.2, SEALS NOT
REQUIRED”.
• Intrinsically Safe
NOTE
• The FM Approved Hand Held Communicator
may be connected at any point in the loop
between the digitalYEWFLO and the Control
Equipment.