YOKOGAWA FLXA21 User Manual

<1. INTRODUCTION AND GENERAL DESCRIPTION>
1-13
IM 12A01A02-01E 8th Edition : Oct. 01, 2015-00
C22.2 No213-M1987 Non-incendive Electrical Equipment for Use in Class I, Division 2
Hazardous Locations
CAN/CSA-E60079-0-07 Electrical apparatus for explosive gas atmospheres
- Part 0: General requirements
CAN/CSA-E60079-11-02 Electrical apparatus for explosive gas atmospheres
- Part 11: Intrinsic safety “i”
IEC 60529:2001 Degrees of protection provided by enclosures (IP Code)
Type of protection (C22.2)
Class I, Division 1, Groups A, B, C and D (Intrinsically Safe)
Class I, Division 2, Groups A, B, C and D (Nonincendive)
For all protection type,
T4: for ambient temperature: -20 to 55°C
T6: for ambient temperature: -20 to 40°C
Atmosphere pressure: 80 kPa (0.8 bar) to 110 kPa (1.1 bar)
Ambient Humidity: 0 to 100% (No condensation)
Degree of Protection of the Enclosure: Type 4X
Type of protection (E60079)
Ex ia IIC
T4: for ambient temperature: -20 to 55°C
T6: for ambient temperature: -20 to 40°C
Atmosphere pressure: 80 kPa (0.8 bar) to 110 kPa (1.1 bar)
Ambient Humidity: 0 to 100% (No condensation)
Degree of Protection of the Enclosure: IP66
NEPSI Intrinsic safety approval
Applicable standard
GB 3836.1-2010 Explosive atmospheres-Part 1: Equipment - General requirements
GB 3836.4-2010 Explosive atmospheres-Part 4: Equipment protection by intrinsic safety “i”
GB 3836.20-2010 Explosive atmospheres-Part 20: Equipment with equipment
protection level (EPL) Ga
Type of protection
Ex ia IIC Ga
T4: for ambient temperature: -20°C to 55°C
T6: for ambient temperature: -20°C to 40°C
Atmosphere pressure: 80kPa (0.8bar) to 110 kPa (1.1bar)
Degree of Protection of the Enclosure: IP66
Electrical Parameters (Ex ia)
Each housing assembly (base module) and each sensor module are respectively certicated.
Input parameters of sensor module meet output parameters of housing assembly.
Housing assembly
Input parameters Supply and output circuit (terminals + and -):
Ui, Vmax = 30 V
Ii, Imax = 100 mA
Pi, Pmax = 0.75 W
Ci =13 nF
Li = 0 mH
(Linear source)
Output parameters Sensor module input circuit (CN2 or CN3 on Back board)
Uo Vt, Voc = 13.65 V
Io, It, Isc = 50 mA
Po = 0.372 W
Co, Ca = 80 nF
Lo, La = 7.7mH
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YOKOGAWA FLXA21 Specifications

General

Brand	YOKOGAWA
Model	FLXA21
Category	Measuring Instruments
Language	English