10-11
IM 01F06A00-01E
10. EXPLOSION PROTECTED TYPE INSTRUMENT
Type “n” and Non-incendive
Hazardous Location Non Hazardous
Location
Class IIC, Zone 2,
Class I, II,
Division 2,Groups A, B, C, D,
E, F and G,
Class III, Division 1
[Integral type]
[Remote type]
DY (flowmeter)
SUPPLY
PULSE
+
+
–
+
–
+
–
+
–
+
–
Power
Supply
Receiver
DY (converter)
DY-N (flowmeter)
SUPPLY
PULSE
+
+
–
+
–
+
–
+
–
+
–
Power
Supply
Receiver
A
B
T
C
A
B
T
(*1)
DYC: Signal cable
(*1) Wire for T terminal
With temperature sensor type : installed
Without temperature sensor type: not installed
Non-incendive field wire parameters of vortex flowmeter (DY)
and vortex flow converter (DYA).
Ui (Vmax)=30 Ii (Imax)=165mA Pi (Pmax)=0.9W
Ci=12nF Li=0.15mH
Installation requirement between flowmeter, converter and
general purpose equirement.
Uo Ui Io Ii Po Pi Co Ci+Ccable
Lo Li+Lcable
Voc Vmax Isc Imax Ca Ci+Ccable
La Li+Lcable
Uo, Io, Po, Co Voc, Isc, Ca and La are nonincendive field
wire parameters of general purpose equipment.
F100401_2.EPS
General Purpose
Equipment
WARNING
• The general purpose equipment must be CSA
certified as the equipment which have type n or
non-incendive field wire parameters.
• Installation should be in accordance with
Canadian Electrical Code Part I.
• Dust-tight conduit seal must be used when
installed in class II and III environments.
• Do not alter drawing without authorization from
CSA.
10.4.6 Dual Seal (Option: /CF11, /CS11)
Dual Seal:
Certified by CSA to the requirement of ANSI/ISA 12.27.01
No additional sealing required.
Primary seal failure annunciation: at the O-ring seal portion
between shedder bar and amplifier housing.
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