Yokogawa EXA ISC202 2-wire Conductivity Transmitter/Analyzer - Manual (Page 22)

IM 12D06A03-01E
2-10 Specifications
・ Electrical data of the ISC202S.
- Supply circuit (terminals + and -):
Maximum input voltage V
max
= 31.5 V. Maximum input power P
max
= 1.2 W
Effective internal capacitance Ci = 22 nF Effective internal inductance Li = 35 μH
- Sensor input circuit (terminals 11 through 17):
Maximum output voltage V
t
= 14.4 V. Maximum output current I
t
= 20 mA.
Maximum allowed external capacitance C
a
= 2.25 μF.
Maximum allowed external inductance L
a
= 160 mH.
・ The Hand Held Terminal must be FM Approved in case it is used in the classified location.
When installing this equipment, follow the manufacturers installation drawing.
Installation shall be in accordance with Article 501.4(B) of the National Electrical Code
(ANSI/NFPA 79).
Non-incendive field wiring may be installed in accordance with Article 501 of the National
Electrical Code.
・
Grounding shall be in accordance with Article 250 of the National Electrical code
・
In case of using cable glands in Outdoor location, they shall be UV rated or made of metal.
WARNING
- Substitution of components may impair suitability for Division 2
- Do not remove or replace while circuit is live unless area is know to be non-hazardous
- Explosion Hazard – Do not disconnect equipment unless area is know to be non-hazardous
- Do not reset circuit breaker unless power has been removed from the equipment or the area is
know to be non-hazardous
ISC40S Sensor
terminals 11
-17
Max. cablelength: 60 mtr.
Cable dia. : 3…12 mm.
ISC40S Sensor
terminals 11
-17
Max. cablelength: 60 mtr.
Cable dia.: 3…12 mm
Ùnclassified Location
+
_
G
Classified Location Unclassified Location
+
_
G
Functional
earth
Nonincendive design
FM Class I, Div.2, Group ABCD, T4 for ambient temp. < 55°C
T6 for ambient temp. < 40°C
ISC202S transmitter
+
-
Load
Resistance
Classified Location
Functional
earth
FM Approved
power supply
Voc ≤ 31.5 V DC
For electrical data:
see text below.
For electrical data:
see text below.
Nonincendive design
FM Class I, Div.2, Group ABCD, T4 for ambient temp. < 55°C
T6 for ambient temp. < 40°C
ISC202S tramsmitter
+
-
FM Approved
power supply
Voc ≤ 31.5 VDC
2-6. Control Drawing ISC202S mA HART® Specification (FM Non-incendive design)
Application Doc. No.: IKE028-A10 P.7 to P.8