270479 Pepperl Fuchs HART Transmitter Power Supply, Input Isolator, 1-channel / Power supply for 2- or 3-wire transmitters with 4 mA ... 20mA / Input Ex ia
Описание товара: 270479 Pepperl Fuchs HART Transmitter Power Supply, Input Isolator, 1-channel / Power supply for 2- or 3-wire transmitters with 4 mA ... 20mA / Input Ex ia
Fatures • 1-channel • Input Ex ia • Power supply for 2- or 3-wire transmitters with 4 mA ... 20mA • Supply circuit 15 V (20 mA) • Input from active signals of 4-wire transmitters • Installation in suitable enclosures in Zone 1 or Zone 21 • HART communication via field bus or service bus • HART communication also for separately powered devices • Simulation mode for service operations (forcing) • Line fault detection (LFD) and Live Zero monitoring • Permanently self-monitoring • Module can be exchanged under voltage (hot swap) Function The transmitter power supply feeds 2- and 3-wire transmitters. Active signals from separately powered field devices and 4- wire transmitters can be connected. Open-circuit, short-circuit, and Live Zero status are detected. The intrinsically safe input is galvanically isolated from the bus and the power supply.
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