epro CON 011 - Explosion Protection

Page 14
Direction for Use (GB) / Gebrauchsanleitung (D)
Converter CON 011
Direction for use
1.5.6 Explosion protection
For connection to intrinsic safe electric circuits and for the use in hazardous areas the CON 011
signal converter is tested and certified for:
Explosion protection class Intrinsic safety
Identification:
II 1G, EEx ia IIC T4,Ta < 60°C
II 1G, EEx ia IIC T6,Ta < 57°C
EC−Design test certificate EU standard 94/9/EG (PTB 03 ATEX 2151)
Standards: DIN EN 1127−1 Explosion protection − part 1, DIN EN 50
014 −General conditions, DIN EN 50 020 − Intrinsic
safety ” i ”, DIN EN 50284
Electrical Data:
Output and supply circuits: with explosion protection class ”Intrinsic safety” only for
connection to certified circuits with the following
maximum values:
Terminals − 24V, output and ⊥ open−circuit voltage: U = −28V
Sum of the short−circuit currents: ΣI
i
= 140mA
Total power: ΣP
i
= 1W
Effective internal capacity
and inductance C
i
 30 nF, L
i
 0,01 mH
Sensor circuit: in protection class ”Intrinsic safety” only for connection
of sensors, which do not exceed the total maximum
capacities and inductances (including connection
cable).
Capacities and inductances of the sensors including connection and extension cable.
Sensor: Capacity Inductance
PR6422..6426 with 4m cable 450 pF  25 μH
extension of cable per meter + 110 pF not relevant
Installation: refer to section 1.3.2, Fig 6
Connection of circuits via safety barriers of e.g. company Stahl, Künzelsau
Supply circuit: Type 9001/00−280/085/101
Measuring circuit: Type 9001/00−280/020/101
The safety barriers must be installed outside the hazardous area in cabinets or control cubicles
with protection classes of at least IP 20 according to DIN 40 050.