Contents
2 - EN FEX300, FEX500 SM/FEX300/FEX500/FM/CSA-EN
IMPORTANT (NOTE)
This document forms an integral part of the following manuals:
• Operating Instruction OI/FEX300/FEX500
• Commissioning instruction CI/FEX300/FEX500
1
Certificates ........................................................................................................................................................... 4
2 Safety .................................................................................................................................................................... 5
2.1 Operator liability ............................................................................................................................................. 5
2.2 Technical limit values ..................................................................................................................................... 5
2.3 Safety information for electrical installation .................................................................................................... 5
2.4 Symbols and warnings ................................................................................................................................... 5
3 Device designs .................................................................................................................................................... 6
3.1 Model with compact design ............................................................................................................................ 6
3.1.1 Div. 1 ....................................................................................................................................................... 6
3.1.2 Div. 2 ....................................................................................................................................................... 7
3.2 Model with remount mount design ................................................................................................................. 7
3.2.1 Div. 1 ....................................................................................................................................................... 8
3.2.2 Div.2 ........................................................................................................................................................ 9
3.3 Overview: The fast track to the device data ................................................................................................. 10
3.4 Name plate ................................................................................................................................................... 11
3.4.1 Name plate for model with integral mount design (dual-compartment housing) .................................. 11
3.4.2 Name plate for model with integral mount design (single-compartment housing) ................................ 12
3.4.3 Name plate for model with remote mount design ................................................................................. 13
3.4.4 Name plate for transmitter ..................................................................................................................... 14
4 Mounting ............................................................................................................................................................ 16
4.1 Information about opening and closing the housing .................................................................................... 16
4.2 Rotating the transmitter housing .................................................................................................................. 17
4.3 Cable entries ................................................................................................................................................ 17
4.4 High temperature version ............................................................................................................................. 18
4.5 Protection class IP 68 ................................................................................................................................... 18
4.6 Information about using the device in areas with combustible dust ............................................................. 18
4.6.1 Maximum Allowable Surface Temperature ........................................................................................... 18
4.6.2 Minimum signal cable length ................................................................................................................. 18
4.7 Electrical connection .................................................................................................................................... 19
4.8 Process sealing (Canada) ............................................................................................................................ 20
5 Ex relevant specifications for operation in Div. 1 .......................................................................................... 21
5.1 Electrical connection .................................................................................................................................... 21
5.1.1 Flowmeter sensor and transmitter in Div. 1 .......................................................................................... 21
5.1.2 Flowmeter sensor in Div. 1 and transmitter in Div. 2 or outside the hazardous area ........................... 22
5.2 Electrical data for operation in zones 1, 21, 22 / Div. 1 ................................................................................ 23
5.2.1 Devices with HART protocol ................................................................................................................. 23
5.2.2 Devices with PROFIBUS PA or FOUNDATION fieldbus ...................................................................... 24
5.3 Temperature data for operation in Zone 1 / Div. 1 ....................................................................................... 25
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