暂不可售: For 12 intrinsically safe binary inputs, Installation in Zone 1 and Zone 2, Sensors in Zone 0, Connection to fieldbus acc. to FISCO or Entity, For PROFIBUS PA, IECEx approval, Dust protection, Europe, Device coupler location: non-explosion hazardous area Zone 2 - high-power trunk Zone 1 - high-power trunk Zone 1/2 - intrinsically safe high-power trunk Zone 1 - intrinsically safe trunk, Device coupler location [2]: Zone 2 - high-power trunkpa