YOKOGAWA FLXA202 Bedienungsanleitung Seite 25

Model: FLXA21 / FLXA202
Notes:
1. Installation must be in accordance with the Canadian Electric Code Part I (C22.1),
ANSI/ISA-RP12.06.01 and relevant local codes.
2. The associated apparatus must be a linear source meeting the following conditions.
3. Control equipment connected to the associated apparatus must not use or generate a
voltage which exceeds Um of the associated apparatus.
4. The control drawing of the associated apparatus must be followed when installing the
equipment.
5. Measuring Module 2 is not always installed.
6. ISC module, SENCOM module and SSA module are not installed as "Measuring
Module 2".
7. When installed in Zone 0 or 1, or Division 1, Sensor 1 and Sensor 2 may be simple
apparatus or intrinsically safe apparatus meeting the conditions below.
When installed in Zone 2 or Division 2, Sensor 1 and Sensor 2 may be simple apparatus or
non-incendive field wiring apparatus meeting the conditions below, or alternatively, they may be
equipment suitable for Zone 2 or Division 2 respectively, if a suitable wiring method other than
non-incendive field wiring is employed.
8. The control equipment must be an associated non-incendive field wiring apparatus
meeting the conditions below. Alternatively, it may be general-purpose equipment, if
a suitable wiring method other than non-incendive field wiring is employed.
9. When FLXA202-D-x-x-DE-xx-xx-A-... is used as "Ex nA ic", it must be installed in
accordance with one of the following:
a) in a SELV or PELV system, or
b) via a safety isolating transformer complying with the requirements of
IEC 61558-2-6, or a technically equivalent standard, or
c) directly connected to apparatus complying with IEC60950 series, IEC61010-1,
or a technically equivalent standard, or
d) fed directly from cells or batteries.
10. When FLXA202-D-x-x-DE-xx-xx-A-... is used as "Ex nA ic" and with the accompanying
cable glands, cable with an external diameter of 6 to 12 mm must be used for field
wiring. The cable glands must be secured with a tightening torque of 6 Nm so that
they can be released only with the aid of a tool. Unused cable gland shall be sealed
with the accompanying metal plug.
Rev.1: Dec. 26, 2019
Master Contract: 172608
Report / Certificate: 2425510 Ed. 5
Project: 80044517
Uo (or Voc) Ui
Io (or Isc) Ii
Po Pi
Co (or Ca) Ci + Ccable
Lo (or La) Li + Lcable
Ui (or Vmax) Uo
Ii (or Imax) Io
Pi Po
Ci Co – Ccable
Li Lo – Lcable
Uo (or Voc) Ui
Co (or Ca) Ci + Ccable
Lo (or La) Li + Lcable
Yokogawa Electric Corporation
Page 259 of 410
Date: May 29, 2017
Doc. No.: ICS032-A71 P.3
Attachment 1
IM 12A01A02-20D-E 9. Ausgabe: 20. Juni 2022-00
24