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US Certificate Of Conformity No: FM17US0327X
*: versus ground; **: between the lines; ***: resistively limited
For the RS485 communication
Ui
±12.6 V
Ii
135 mA***
Rmin
95.4 Ω
RS485 (Rmin = Ui / Ii is the minimum output resistance of the combined circuits of the associated
apparatus connected to the CAIXS2-....)
Output parameters of the UNICOM RS Board
Circuit
Uo
RS232
10.0 V*
20.0 V**
RS422
5.2 V
RS485
5.2 V
*: versus ground; **: between the lines; ***: resistively limited
Connections to the UNICOM Board (J2 and J3, respectively)
Ui
Ii
6.8V
200 mA
Uo
Io
6.0V
23 mA
13.
Specific Conditions of Use:
1.
The front panel of the intrinsically safe indicator type CAIXS2-.... is non-metallic and shall not be used where
UV light or radiation may impinge on the enclosure.
2.
The front panel of the intrinsically safe indicator type CAIXS2-.... is enclosure is non-conducting and, under
certain extreme conditions, may generate an ignition capable level of electrostatic charges. The user shall ensure that
the equipment is not installed in a location where it may be subjected to external conditions (such as high-pressure
steam) which might cause a build-up of electrostatic charges on non-conducting surfaces. Additionally, cleaning of the
equipment should be done only with a damp cloth.
3.
The device shall be installed in such a way that it is protected against the entry of solid foreign objects or
water capable of impairing the safety of the apparatus. Reduce the risk of mechanical damage to a minimum.
4.
After the first installation, the gasket must be replaced each time the enclosure is opened.
Test and Assessment Procedure and Conditions:
14.
This Certificate has been issued in accordance with FM Approvals US Certification Requirements.
15.
Schedule Drawings
A copy of the technical documentation has been kept by FM Approvals.
16.
Certificate History
THIS CERTIFICATE MAY ONLY BE REPRODUCED IN ITS ENTIRETY AND WITHOUT CHANGE
FM Approvals LLC. 1151 Boston-Providence Turnpike, Norwood, MA 02062 USA
T: +1 (1) 781 762 4300 F: +1 (1) 781 762 9375 E-mail:
F 347 (Mar 16)
SCHEDULE
12 V
7.2 V
164 mA***
any
73.2 Ω
0
Io
Po
Co
101 mA***
253 mW
3 μF*
217 nF**
165 mA
292 mW
60 μF
210 mA***
263 mW
60 μF
Pi
Ci
Li
600 mW
3 uF
20 uH
Po
Co
Lo
34 mW
10 uF
3 mH
information@fmapprovals.com www.fmapprovals.com
Lo
Lo/Ro
3 mH
140μH/Ω
1 mH
75μH/Ω
500 μH
125 μH/Ω
Page 4 of 5
Instrucciones de manejo Combics CAIXS2
certificado
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