Sartorius Combics 2 CAIXS2 - FM APPROVALS PROJECT NO: 3049923; Specific Conditions of Use

164 Operating Instructions Combics CAIXS2
FM Certificate
FM APPROVALS PROJECT NO: 3049923
Page 3 of 10
1.3.3 ATEX Standards
Title Number Issue Date
Electrical apparatus for explosive gas
atmospheres. Part 0: General Requirements
EN 60079-0 2012
Explosive atmospheres Part 11: Equipment
protection by intrinsic safety “i”
EN 60079-11 2012
Degrees of protection provided by enclosures (IP
Code)
EN 60529
+A1
1991
2000
1.4 Listing
The product will appear in the Approval Guide, an on-line resource of FM Approvals, as
follows:
1.4.1 US Listings
Hazardous Location Equipment - United States Indicators Digital
CAIXS2-ab Intrinsically Safe Indicator
IS / I, II, III / 1 / ABCDEFG / T4 – Entity 66015-751-07
I / 1 / AEx ia IIC / T4 Entity 66015-751-07
21 / AEx ia IIIC / T80°C Entity 66015-751-07
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