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38 Use in Hazardous Environments WAGO-I/O-SYSTEM 750750-585 2AO 0-20mA Ex iManualVersion 1.1.0Pos : 73.20 /Serie 750 ( WAGO-I/O- SYST EM)/Ei nsatz i n Ex-Bereic hen/Besonder e Beding ungen für den sicher en AT EX- und IEC- Ex-Betrieb g em. D EMKO 08 AT EX 142851X & IEC Ex @ 7\mod_1274277358920_21.doc @ 56642 @ 3 @ 17.2.1 Special Conditions for Safe Operation of the ATEX and IECEx (acc. DEMKO 08 ATEX 142851X and IECEx PTB 07.0064)The fieldbus-independent I/O modules of the WAGO-I/O-SYSTEM 750-.../...-...must be installed in an environment with degree of pollution 2 or better. In thefinal application, the I/O modules must be mounted in an enclosure with IP 54degree of protection at a minimum with the following exceptions:- I/O modules 750-440, 750-609 and 750-611 must be installed in an IP 64minimum enclosure.- I/O module 750-540 must be installed in an IP 64 minimum enclosure for230 V AC applications.- I/O module 750-440 may be used up to max. 120 V AC.When used in the presence of combustible dust, all devices and the enclosure shallbe fully tested and assessed in compliance with the requirements of IEC 61241-0:2004 and IEC 61241-1:2004.When used in mining applications the equipment shall be installed in a suitableenclosure according to EN 60079-0:2006 and EN 60079-1:2007.I/O modules fieldbus plugs or fuses may only be installed, added, removed orreplaced when the system and field supply is switched off or the area exhibits noexplosive atmosphere.DIP switches, coding switches and potentiometers that are connected to the I/Omodule may only be operated if an explosive atmosphere can be ruled out.I/O module 750-642 may only be used in conjunction with antenna 758-910 witha max. cable length of 2.5 m.To exceed the rated voltage no more than 40%, the supply connections must havetransient protection.The permissible ambient temperature range is 0 °C to +55 °C.Pos : 73.21 /D okumentati on allgemein/Gli ederungsel emente/---Seitenwec hsel--- @ 3\mod_1221108045078_0.doc @ 21810 @ @ 1 |
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