Publicité
4.4 Approved CAx440EX installation drawing
Any installation or sensor configuration that is not specifically detailed on the following control drawing
is not allowed. In all cases, the local authority having jurisdiction shall have the final say.
รู ป ที ่
1
is the approved hazardous location "control" drawing for the CAx440EX field transmitter. This
certified drawing shows the ONLY approved method of installing the CAx440EX field transmitter.
รู ป ที ่
1 Installation Control Drawing—Hach North American CAx440EX field transmitter
1 Hazardous classified location
2 Unclassified (non-hazardous)
location or hazardous classified
location
3 Unclassified (non-hazardous)
location
4 Simple apparatus or intrinsically
safe apparatus
Power/4-20 mA connector (intrinsically safe parameters): Uo: 29.2 V, Io: 85 mA, Po: 0.67 W, Lo:
4900 μH, Co: 0.07 μF
RS-232 connector (intrinsically safe parameters): Uo: 6.3 V, Io: 18.72 mA, Po: 0.30 W, Lo: 100 mH,
Co: 14 μF
บั น ทึ ก
: The GS2440EX H
5 Power/4–20 mA
6 RS-232 (optional)
7 Intrinsic safety parameters
(refer to the details that follow)
8 CAx440EX field transmitter
(LXV449.97.01010)
S sensor may be used as "intrinsically safe" apparatus."
2
อั น ต ร า ย
9 4–20 mA (optional)
10 DC power (optional)
11 External antenna (optional)
บั น ทึ ก
: LXZ449.99.00009 must
be used to keep certifications.
12 SCADA/DC Power
ไทย
75
Publicité
