Yokogawa digitalYEWFLO (DY-FF) User Manual
Page 48

<9. GENERAL SPECIFICATIONS>
9-4
IM 01F06F00-01EN
Item Description
Code
Factory Mutual (FM) FM explosion-proof Approval
Applicable Standard: FM3600, FM3611, FM3615, FM3810, Including Supplement 1
ANSI/NEMA
250
Type of Protection: Explosionproof for Class I, Division 1, Groups A, B, C, and D;
Dust-ignitionproof Class II/III, Division 1, Groups E, F, and G.
“SEAL ALL CONDUITS WITHIN 18 INCHES.” “WHEN INSTALLED IN DIV.2,
SEALS NOT REQUIRED.”
Enclousure 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)
Ambient Humidity: 0 to 100%RH (No condensation)
Coating of Enclosure: Epoxy resin coating or Polyurethane resin coating.
Electrical Connection: ANSI 1/2NPT female
FF1
FM Intrinsically Safe Approval (Note 1) , Nonincendive
Applicable Standard: FM3600, FM3610, FM3611, FM3810,
NEMA-250, ANSI/ISA-60079-0, ANSI/ISA-60079-11, ISA60079-27
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)
Ambient Humidity : 0 to 100%RH (No condensation)
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, Li=0
[FISCO (IIB)] Vmax=17.5V, Imax=460mA, Pi=5.32W, Ci=3.52nF, Li=0
Nonincendive
Vmax=32V, Ci=3.52nF, Li=0
Electrical Connection : ANSI 1/2NPT female
FS16
ATEX
ATEX Flameproof Approval
Applicable Standard: EN 60079-0, EN 60079-1
Type of Protection:
II 2 G Ex d IIC T6...T1 Gb (Integral Type Vortex Flowmeter and Remote Type Vortex Flow Detector)
II 2 G Ex d IIC T6 Gb (Remote Type Vortex Flow Converter)
Group : II, Category : 2 G
Temperature Class : T6...T1 (Integral Type Vortex Flowmeter and Remote Type Vortex Flow Detector)
T6 (Remote Type Vortex Flow Converter)
Process Temperature : T6 (–29 to 80°C), T5 (–29 to 100°C), T4 (–29 to 135°C),
T3 (–29 to 200°C), T2 (–29 to 300°C), T1 (–29 to 450°C)
(Use /HT version above 250°C)
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 without indicator)
–30 to 60°C (Remote Type Vortex Flow Converter with indicator)
Ambient Humidity: 0 to 100%RH (No condensation)
Electrical Connection: ANSI 1/2NPT female, ISO M20 × 1.5 female
KF2
ATEX Intrinsically Safe Approval (Note 1)
Applicable Standard : EN 50014, EN 50020, EN 60079-27, EN 50284
Type of Protection: EEx ia IIB/IIC T4...T1 (Integral Type Vortex Flowmeter and Remote Type Vortex
Flow Detector)
EEx ia IIB/IIC T4 (Remote Type Vortex Flow Converter)
Groups: II
Category: 1 G
Ambient Temperature (Integral Type Vortex Flowmeter):
–29 to +60°C
Ambient Temperature (Remote Type Vortex Flow Detector): –29 to +80°C
Ambient Temperature (Remote Type Vortex Flow Converter): –40 to +60°C
Ambient Humidity: 0 to 100%RH (No condensation)
Process Temperature : T4; 135°C, T3; 200°C, T2; 300°C, T1;450°C (Use /HT version above 250°C)
For connection to certifi ed Intrinsically Safe circuit with Supply circuit of Integral Type Flowmeter and
Remote Type Converter:
[Entity] Vmax=24V, Imax=250mA, Pi=1.2W, Ci=1.76nF, Li=0
[FISCO (IIC)] Vmax=17.5V, Imax=380mA, Pi=5.32W, Ci=1.76nF
[FISCO (IIB)] Vmax=17.5V, Imax=460mA, Pi=5.32W, Ci=1.76nF, Li=0
Connect sensor circuit of DYA and DY-N (/HT)
Electrical Connection: ANSI 1/2NPT female, ISO M20 × 1.5 female
KS26