Yokogawa FU20F - Manual (Page 11)

IM 12B6J3-04E-E
11
CSA
Certificate no. : 2516979
Master contract no. : 182892
IS, Class I Div. 1, GP A, B, C, D T3…T6
Electrical data : For sensor input circuits (by connector), connected to a certified
intrinsically safe circuit, with the following maximum values
: Ui = 6.1 V; Ii = 230 mA; Pi = 1.2 W; Li = 4 µH; Ci = 30 µF
or
Certified intrinsically safe Yokogawa transmitter Model FLXA21
series.
Ambient temperature : T6 for Tamb. -40 °C to +60 °C
T5 for Tamb. -40 °C to +75 °C
T4 for Tamb. -40 °C to +110 °C
T3 for Tamb. -40 °C to +125 °C
Note: Intrinsically safe when connected as per Control Drawing FF1-K1226QU (see Fig 2)
Control Drawing CSA
The FU20F SENCOM TM sensor shall be
installed to a certified intrinsically safe circuit
meeting the entity parameters of the sensor
as shown in the table as maximum values,
or to a certified intrinsically safe Yokogawa
transmitter Model FLXA21 series.
When installing this equipment, follow the
manufacturer’s control drawing. Installation
should be in accordance with Canadian
Electrical Code, Part 1 or CEC, Part 1.
To prevent ignition of
flammable or combustible
atmospheres, disconnect
power before servicing or
read, understand and adhere
to the manufacturer’s live
maintenance procedures.
81 82 83 84 85 86 87
+ - G
Hazardous
location
Transmitter
WU11 cable
terminals 82-84,
86-87.
Maximum cable
length: 100 m.
Cable diameter:
5.8mm
Sensor
Ui 6.1 V
Ii 230 mA
Pi 1.2 W
Li 4 µH
Ci 30 µF
Maximum values
FU20F
Model:
NPT Dome shape
FSM Flat surface
IS, Class I Div. 1, GP A, B, C, D T3/T4/T5/T6
Ta 125ºC/110ºC/75ºC/60ºC
Fig 2: FF1-K1226QU Control Drawing CSA