YOKOGAWA FLXA202 Bedienungsanleitung Seite 27

1.3 FM
FLXA202/FLXA21:
Model: FLEXA Series
Control drawing (4–20 mA type)
Installation for Division 1 / Zone 0, 1
Applicable models: FLXA21-D-x-x-CD-xx-xx-A-..., FLXA202-D-x-x-CD-xx-xx-A-...
Hazardous (Classified) Location
Class I, Division 1, Groups A, B, C, D, or
Class I, Zone 0, 1, Group IIC
Temperature Class: T4
FLEXA Series Analyzer
Housing Assembly
Measuring Module 1
Sensor 1
(Note 8)
Sensor 2
Measuring Module 2
(Note 8)
Measuring Module 1, 2 (Note 8):
pH, SC, DO
Uo 11.76 V
Io 116.5 mA
Po 0.3424 W
Co 100 nF
Lo 1.7 mH
Specific conditions of use:
- Precautions shall be taken to minimize the risk of non-metallic parts and painted parts of
the enclosure. When the equipment is used in hazardous locations, avoid any action which
generates electrostatic discharge such as rubbing with a dry cloth.
- In the case where the enclosure of the analyzer is made of Aluminum, if it is mounted in
ZONE 0, it must be installed such that, even in the event of rare incidents, ignition sources
due to impact and friction sparks are excluded.
Rev.2: Dec. 26, 2019
Eigensicherheit, nicht entflammbar
Supply +
Supply –
(Note 7)
Supply +, Supply – (Note 4):
Ui: 30 V
Ii: 100 mA
Pi: 0.75 W
Ci: 13 nF
Li: 0 mH
Type of Measuring Module
ISC SENCOM, SSA
11.76 V 5.36 V
60.6 mA 106.16 mA
0.178 W 0.1423 W
100 nF 31 F
8 mH 0.45 mH
Yokogawa Electric Corporation
Date: April 17, 2015
Unclassified Location
+
Associated Apparatus
(Note 4)
–
Doc. No.: IFM039-A71 P.1
IM 12A01A02-20D-E
26
9. Ausgabe: 20. Juni 2022-00