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Universal temperature transmitter
FlexTop 2212/2222
Operating instructions
Connection diagram - ATEX area
When fastening wires to the screw terminals a torque of 0.4Nm should be used.
The product must be installed in a housing that is at least IP54 in accordance with EN
60079-0, for example the Baumer stainless steel Ø80mm FlexHousing. For protection
type ec this housing must ensure pollution degree 2 or better, as defined in IEC 60664-1.
The DFON connector may only be used for connection to Baumer DFON, cert. no. TÜV
13 ATEX 113124 X. When installed with a DFON display, the housing must be marked
with the following: "WARNING – DO NOT SEPARATE WHEN ENERGIZED". The DFON
display may only be used for ATEX protection type ia.
The circuit is in conformance with 6.3.13 of IEC 60079-11.
Configuring the product
The FlexTop 2212 and 2222 can be configured using a standard micro USB cable. This is
only allowed in the safe area (non-hazardous) and with a USB zener barrier between the
computer and the USB plug. The maximum voltage Um has to be respected.
Alternatively the FlexProgrammer 9701 can be used outside the hazardous area.
Certificates
IECEx DEK18.0067 X (not with DFON)
DEKRA 18ATEX0110 X
DEKRA 18ATEX0111 X
www.baumer.com
Applied standards
IEC 60079-0:2017 / EN 60079-0:2018
IEC 60079-7:2015 / EN 60079-7:2015
IEC 60079-11:2011 / EN 60079-11:2012
Operating Instructions: 11202169 06
Specific conditions of use
The transmitter shall be mounted in a enclosure that provides a degree of protection of at
least IP54 according to EN 60079-0, and that is suitable for the application and correctly
installed. For ambient temperature range see certificates.
If the enclosure is made of non-metallic materials, or if it is made of metal having a paint
layer thicker than 0,2 mm, electrostatic charges shall be avoided.
For ia: If the enclosure is made of aluminium, it must be installed such that ignition
sources due to impact and friction sparks are excluded.
For ia: The circuit is limited to overvoltage category I or II as defined in EN 60664-1.
For ec: The area inside the enclosure shall be pollution degree 2 or better, as defined in
EN 60664-1.
IECEx/ATEX ll 1G Ex ia IIC T6...T4 Ga
Highest values for
Ui: 30 V
selection of barriers
Ii: 95 mA
Pi: 750 mW
Internal capacitance
Ci: 11 nF
with DFON, ATEX only Ci: 26 nF
Internal inductance
Li: 24 µH
with DFON, ATEX only Li: 34 µH
Temp. class T1...T6:
-40 < Tamb < 56°C
Temp. class T1...T5:
-40 < Tamb < 71°C
Temp. class T1...T4:
-40 < Tamb < 80°C
With DFON
Temp. class T1...T5:
-20 < Tamb < 60°C
Sensor circuit
Uo: 10.5 V
Io: 19 mA
Po: 55 mW
Co: 2 µF
Lo: 94 mH
Um (USB connector)
5.2V
IECEx/ATEX ll 3G Ex ec IIC T6...T5 Gc
Voltage supply range
Un: 30 V DC max.
Current rating
In: 20 mA
Temp. class T1...T6:
-40 < Tamb < 31°C
Temp. class T1...T5:
-40 < Tamb < 80°C
Sensor circuit
Uo: 2.3 V
Io: 0.2 mA
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