Operation Manual
<14. EXPLOSION PROTECTED TYPE INSTRUMENT>
14-5
IM 01F06A00-01EN
14.2 FM
(1) 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:
Explosionproof 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: 42Vdc max. (Integral Type Vortex
Flowmeter and Remote Type Vortex
Flow Detector)
Output Signal (Integral Type Vortex Flowmeter):
Current Output; 4 to 20mAdc
Pulse Output; On=2Vdc, 200mA
Off=42Vdc, 4mA
Output Signal (Remote Type Vortex Flow Detector):
Output Signal to Converter; 30Vp-p,
100Ap-p
Input/Output Signal (Remote Type Vortex Flow
Converter): Current Output; 4 to 20mAdc
Pulse Output; On=2Vdc, 200mA
Off=42Vdc, 4mA
Input Signal from Flowmeter;
30Vp-p, 100Ap-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
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 IIC T4 Nonincendive for Class I, II, Div. 2,
Groups A, B, C, D, F and G, Class III,Div.1, T4,
and Class I, Zone 2, Group IIC, T4
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: Vmax=30Vdc,
Imax=165mAdc,
Pi=0.9W, Ci=12nF,
Li=0.15mH
Electrical connection : ANSI 1/2 NPT female
(2) 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.