154 Operating Instructions Combics CAIXS2
FM Certificate
To verify the availability of the Approved product, please refer to www.approvalguide.com
FM Approvals HLC 5/13 3049923C
Page 1 of 4
FM Approvals
1151 Boston Providence Turnpike
P.O. Box 9102 Norwood, MA 02062 USA
T: 781 762 4300 F: 781-762-9375 www.fmapprovals.com
CERTIFICATE OF COMPLIANCE
HAZARDOUS LOCATION ELECTRICAL EQUIPMENT
PER CANADIAN REQUIREMENTS
This certificate is issued for the following equipment:
CAIXS2-ab Intrinsically Safe Indicator
IS / I, II, III / 1 / ABCDEFG / T4 – Entity 66015-751-07
I / 1 / Ex ia IIC / T4
a = U or V or blank
b = blank or up to three numbers (not relevant to safety)
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 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.
3. After the first installation, the gasket must be replaced each time the enclosure is opened.
Electrical Parameters
Connections to the DC Supply Adapter Cable
Circuit Ui Ii Pi Ci Li
V_1 12.6 V 133 mA 1.46 W 188 nF 0.0 mH
V_2 12.6 V 133 mA 1.46 W 3 nF 0.0 mH
V_3 8.6 V 187 mA 1.51 W 391 nF 0.0 mH
V_4 12.6 V 150 mA 1.68 W 223 nF 0.1 mH
Connections to the Data Adapter Board (COM1)
Circuit Ui Ii Pi Ci Li
RS232 12.6 V*/25.2 V** 328 mA*** any 2.2 nF*/0.5nF** 0 mH
RS422 8.6 V 210 mA 0.5 W 0.5 μF 0 mH
RS485 see below see below any 260nF 0 mH
Digital I/O 8.6 V any any 0 μF 0 mH
*: versus ground; **: between the lines; ***: resistively limited
For the RS485 communication
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