Yokogawa SC25F - Manual (Page 10)

IM 12B6J1-41E-E
10
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-K1224QV (see Fig 2)
Control Drawing CSA
The SC25F 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 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
IS, Class I Div.1, GP A, B, C, D T3/T4/T5/T6
Ta 125 ºC/110 ºC/75 ºC/60 ºC
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
SC25F - -
120 120mm
225 225 mm
AGP25 General purpose
ALP25 High temp.
chemical resistant
Fig 2: FF1-K1224QV Control drawing CSA