Control Drawing Of Sc202S Ff/Pb Specification (Atex) - YOKOGAWA SC202G User Manual

2-12 Specifications

2-10. Control Drawing of SC202S FF/PB Specification (ATEX)

+
Safe area
Apparatus
-
Safe area
Sensor(s) are of a passive type to be regarded as 'simple apparatus'.
Electrical data of the SC202S-F & SC202S-P:
- Supply and output circuit:
Maximum input voltage Ui= 24 V
Maximum input current Ii= 250 mA
Maximum input power Pi= 1.2 W
Effective internal capacitance Ci= 220 pF;
Effective internal inductance Li= 0 μH.
or
FISCO field device
Maximum input voltage Ui= 17.5 V
Maximum input current Ii= 380 mA
Maximum input power Pi= 5.32 W
Effective internal capacitance Ci= 220 pF;
Effective internal inductance Li= 0 μH.
- Sensor input circuit:
Maximum output voltage Uo= 14.4 V; Maximum output current Io= 13 mA
Maximum allowed external capacitance Co= 59 nF
Maximum allowed external inductance Lo= 200 mH
Any I.S. interface may be used that meets the following requirements:
Uo 24 V
Io 250 mA
Po 1.2 W
Ca 220 pF + Ccable; La
or
FISCO power supply
Uo 17.5 V
Io 380 mA
Po 5.32 W
Ca 220 pF + Ccable; La
Electrical data of the SC202S-B & SC202S-D (Type of protection "n")
Supply and output circuit:
-
Maximum input voltage Ui = 32 V
Effective internal capacitance Ci= 220 pF; Effective internal inductance Li= 0 μH.
Sensor input circuit:
-
Maximum output voltage Uo=14.4V; Maximum output current Io= 13 mA
Maximum allowed external capacitance Co = 2.9 μF
Maximum allowed external inductance Lo = 450 mH
IM 12D08B02-01E
I.S.
I.S.
certified
interface
Terminator
0 μH + Lcable
0 μH + Lcable
Ex ia IIC
T4 for ambient temp. 55 C
Ui = 24 V or Ui = 17,5 V
Ii = 250 mA Ii = 380 mA
Pi = 1,2 W Pi = 5,32 W
SC202S-F
or SC202S-P
+ -
-
+
Transmitter
Zone 0 or 1
Hazardous area
Sensor
Connections
I.S.
certified
Terminator
-
+
Transmitter