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Output parameters (COM1)
Circuit
RS232
RS422
RS485
Digital I/O
*: versus ground; **: between the lines; ***: resistively limited
14
Specific Conditions of Use:
1.
The front panel (of the optionally used display unit) of the intrinsically safe digital weighing unit WZAab-
NXc is non-metallic and shall not be used where UV light or radiation may impinge on the enclosure.
2.
The cables between the electronic box and weighing cell and between the electronic box and display unit
must be permanently installed and protected against damages.
3.
Electrostatic charges shall be avoided. Use only a damp cloth to wipe down the equipment.
15
Essential Health and Safety Requirements:
The relevant EHSRs that have not been addressed by the standards listed in this certificate have been identified
and assessed in the confidential report identified in item 8.
16
Test and Assessment Procedure and Conditions:
This EU-Type Examination Certificate is the result of testing of a sample of the product submitted, in
accordance with the provisions of the relevant specific standard(s), and assessment of supporting
documentation. It does not imply an assessment of the whole production.
Whilst this certificate may be used in support of a manufacturer's claim for CE Marking, FM Approvals
Europe Ltd accepts no responsibility for the compliance of the equipment against all applicable Directives in
all applications.
This Certificate has been issued in accordance with FM Approvals Europe Ltd's ATEX Certification
Scheme.
17
Schedule Drawings
A list of the significant parts of the technical documentation is annexed to this certificate and a copy has
been kept by the Notified Body.
18
Certificate History
Details of the supplements to this certificate are described below:
Date
27
May 2015
th
12th April 2019
THIS CERTIFICATE MAY ONLY BE REPRODUCED IN ITS ENTIRETY AND WITHOUT CHANGE
FM Approvals Europe Ltd. One Georges Quay Plaza, Dublin. Ireland. D02 E440
T: +353 (0) 1761 4200 E-mail:
F ATEX 020 (Mar/2019)
36
SCHEDULE
to EU-Type Examination Certificate No. FM15ATEX0013X
Uo
Io
10.0 V*/20.0V**
101 mA***
5.2 V
290 mA
5.2 V
210 mA***
6.0 V
45 mA***
Description
Original Issue.
Supplement 1:
Report Reference: RR217978 dated 22
Description of the Change: Minor documentation update.
Standard EN 60079-0 updated from 2012. Certificate transferred from FM Approvals
Ltd., notified body no. 1725, to FM Approvals Europe Ltd., notified body no. 2809.
atex@fmapprovals.com www.fmapprovals.com
Po
Co
253 mW
3 μF*/217nF**
496 mW
60 μF
263 mW
60 μF
67 mW
40 μF
March 2019
nd
Lo
Lo/Ro
3 mH
140μH/Ω
300 μH
50μH/Ω
600 μH
125 μH/Ω
20 mH
530 μH/Ω
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