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Catalogue Fieldbus Solutions

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IS1 remote I/O

the market leartor

R. STAHL has already marketed the second generation of an explosion protected Remote I/O System: the IS1. It features a simple structure, unique flexibility and tremendous efficiency and economy, and these aspects make it the most popular Remote I/O System for explosion hazard areas. System planning is impressively simple using only three


	Special Aspects
		installation in Zone 1, Zone 2,
		Zone 21, Zone 22, Division 1 or
		Division 2
		intrinsically safe fieldbus:
		Profibus DP V1 HART,
		Modbus RTU
	>	fieldbus with either copper wires
		or fibre-optic cables
	>	intrinsically safe inputs
		and outputs Ex ia or Ex e
	>	hot-swapping of all modules
	>	optional ServiceBus for
		commissioning, troubleshooting
		and HART communication
		full HART support
	>	easy mounting on DIN rails
	>	BusRail with integrated
		data/address and power bus for
		extremely easy project planning

basic components (Figures 1 and 2). Any requirement can be met flexibly with IS1, regardless of whether the application requires only a few signals or very many signals or whether it necessitates installation in Zone 1, Zone 2 or in the control room. The intrinsically safe system structure with Ex i fieldbus, using either copper wires or fibre-optic cables, allows the system to be serviced and repaired even in hazardous areas. The system may be provided with a redundant structure if availability requirements are stringent. Multi-channel modules and convenient commissioning and servicing tools mean that IS1 from R. STAHL is the perfectly economical solution. The international approvals allow use of the system worldwide.