The transmitter supply unit Type 956056 provides the supply to EEx ia IIC-protected analog or programmable 2-wire transmitters within Ex Zone 1 or 2. As associated operating device it is mounted outside the hazardous area. The transmitter supply unit has an active, intrinsically-safe input circuit. This circuit provides the Ex-protected supply for the 2-wire transmitter. The input signal range is 4 to 20 mA. Available output signals are 4 to 20 mA and 0 to 10 V which can further be processed without restriction outside the Ex zone. Reliable isolation at 375 V provides separation between intrinsically-safe and non-intrinsically-safe circuits as well as between these two circuits and the supply.
M.K. Juchheim
Fax: ++49/661/6 00 35 00
Further information cpp-242
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