ABB FEX300 Original Instruction page 5

6 Ex relevant specifications for operation in Div. 2 .......................................................................................... 29
6.1 Electrical connection .................................................................................................................................... 29
6.1.1 Flowmeter sensor and transmitter in Div. 2, or transmitter outside the hazardous area ...................... 29
6.2 Electrical data for operation in zones 2, 21, 22 / Div. 2 ................................................................................ 30
6.2.1 Devices with HART protocol ................................................................................................................. 30
6.2.2 Devices with PROFIBUS PA or FOUNDATION fieldbus ...................................................................... 30
6.3 Temperature data for operation in Zone 2 / Div. 2 ....................................................................................... 30
7 Commissioning .................................................................................................................................................. 34
7.1 Preliminary checks prior to start-up .............................................................................................................. 34
7.2 Notes on combining the FEP325 flowmeter sensor with the FET325 transmitter or the FEP525 flowmeter
sensor with the FET525 transmitter ............................................................................................................. 34
7.3 Special features of the device design for operation in Div. 1 ....................................................................... 35
7.3.1 Configuring the current output .............................................................................................................. 35
7.3.2 Configuration of the digital outputs ....................................................................................................... 35
7.4 Changing the type of protection ................................................................................................................... 36
8 Maintenance ....................................................................................................................................................... 37
8.1 General information ...................................................................................................................................... 37
8.2 Replacing the transmitter or sensor ............................................................................................................. 38
8.2.1 Transmitter ............................................................................................................................................ 38
8.2.2 Flowmeter sensor .................................................................................................................................. 39
9 Appendix ............................................................................................................................................................ 40
9.1 Approvals and certifications ......................................................................................................................... 40
9.2 Installation drawing HART IDM-10-A0258 ................................................................................................... 41
9.3 Installation drawing PROFIBUS PA / FOUNDATION Fieldbus IDM-10-A0266 ........................................... 43
SM/FEX300/FEX500/FM/CSA-EN FEX300, FEX500
Contents
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