18
TwinControl
.
OPERATING MANUAL
EDITION 04/2010
PART NO. DOC393831
4.3.3
MARKING AND RATED DATA FOR DEVICES WITH TURBINE
Identifi cation
Description
J. Wagner AG
Company name
CH- 9450 Altstätten
Address
CE
102
CE mark with number of the notifi ed body that is used by us in the production
monitoring phase (PTB in this case)
TwinControl
Name of unit
Serial No.
Serial no. of device
2007
Year of manufacture of device
II 2 G
Marking according to Directive 98//EC (Atex directive) [application area]
-
Explosion-proof
equipment
- II:
Device group II, not mining
- 2:
Category 2 (i.e. Zone 1)
-
G:
Gases
Ex ia II B T4 X
Marking according to standard(s) [equipment properties]
- Ex:
Explosion-proof equipment
- ia:
Ignition protection type intrinsic safety, for Zone 0 and 1
- II:
Device group II, not mining
- B:
Explosion group B, town gas, ethylene
- T4:
Temperature class T4, 135 °C; 275 °F
- X:
Note special instructions for safety operation
ZELM 08 ATEX 0385 X Mark of notifi ed body, year of issue, issue of certifi cate (Atex), certifi cate number
+5 °C < Ta < +40 °C
Permissible ambient temperature range
Rated safety data
for connecting a potentiometer A or B
with ignition protection type Ex ia IIB:
Connection of maximum values
Potentiometer A and B
Maxi. voltage
U
0
[V]
12.6
Maxi. current
I
0
[mA]
73.6
Maxi. power
P
0
[mW]
232
Maxi. External capacity
C
0
[uF]
7.3
Maxi. External inductivity
L
0
[mH]
26
The abovementioned values for the maximum permissible external capacities and induct-
ances are only valid as long as they do not occur simultaneously.
If the external reactances are present simultaneously, the values are to be taken from the
following table:
Maximum permissible external inductance
L
0
[mH]
0.1
0.2
0.5
1
2
5
10
20
Maximum permissible external capacity
C
0
[uF]
7.3
6
4.6
3.7
3.1
2.3
1.9
1.4
