Baumer Flex Top 2221 - Manual (Page 3)

Page 3 Design and specifi cations subject to change without notice
Installation Manual 5850-033 www.baumer.com
Ex-Application
A FlexTop 2221 with type number 2221 0002 is approved for Ex ia IIC
T5/T6 and ATEX II 1G.
The installation of FlexTop 2221 must be done in accordance with
prevailing guidelines for zones 0 or 1.
An Ex ia certifi ed zener or isolation barrier with the entity parameters
V
max
< 30 V
DC
; I
max
< 0.1 A; P
max
< 0.75 W must be used.
The FlexTop 2221 entity parameters (terminals + to -) are:
L
i
< 15 µH; C
i
< 5 nF.
Sensor circuit parameters (terminals 3 to 6):
V
DC
< 6.6 V; I
DC
< 17 mA; P
out
< 30m W; L
a
< 99 mH; C
a
< 3µF.
The FlexTop 2221 must be connected in the 4...20 mA loop circuit only.
FlexTop 2221 must be mounted in a housing, e.g. ø80mm stainless
steel housing (type number 81 43-110), DIN-B housing (type number
81 43-120) or the like.
Refer to page 3 for futher technical data.
WARNING
This product contains no replaceable parts.
In case of malfunction the product must be shipped to Baumer for
repair.
Ex-Connection Diagram/Control Drawing
4...20 mA 24 V
dc
5
6
2 1
3
4
RTD Zone 0/1 Safe area 230 V
ac
1 2
- +
+ -
3 4
- +
FlexTop 2221 Barrier FlexView Power Supply
Ex nA II T5, ATEX II 3G - Installation
A FlexTop 2221-0003 is Ex nA II T5, ATEX II 3G approved for ap-
plication in hasardous areas in accordance with the current EU-direc-
tives. The product must be mounted in a suitable enclosures fulfi lling
relevant requirement in EN 60 079-0 among these minimum IP54
ingress protection. Ex-data
Supply range 12...30 VDC, Max. 0,1A
Temperature class T1...T5.