20 1066540000/00/02.09
7.1.4 Function Description
(1) NAMUR sensor cable error detection in case of cable disconnection or short circuit
(2) Mechanical contact with cable error detection in case of cable disconnection or short circuit, when Rs
and Rp are mounted on the contact
(3) Mechanical contact with cable error detection in case of cable disconnection, when Rs and Rp are
mounted on the contact
(4) Mechanical contact without cable error detection
7.1.5 Specifications
Features
• Pulse isolator for transmission of signals to the safe area from NAMUR sensors and mechanical switches
installed in the hazardous area
• Configuration via FDT/DTM Software ‘WI-Manager’
• Selection of direct or inverted function for each channel
• The module can be mounted in the safe area and in zone 2/div. 2 and receive signals from zone 0, 1, 2,
20, 21 and 22/Class I/II/III, Div. 1, Gr. A-G
• Extended self diagnostic: Monitoring of error events and cable breakage via the individual status relay
• LED indication: green and 2 yellow/red front LEDs to indicate operation status and malfunction
• 3-way galvanic isolation between input, output and supply, 2.6 kV AC
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