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3117: BIpoLAR ISoLATED coNvERTER
• Conversion of voltage and current bipolar process signals to
unipolar signals
• Multiple signal ranges are selectable via DIP-switches
• Fast response time and high output load stability
• Excellent accuracy, better than 0.05 % of selected range
• Slimline 6 mm housing
Applications
• The 3117 is an isolating converter which can be used for signal conversion of
standard bipolar analogue process signals into a unipolar analogue signal.
• The unit offers 3-port isolation and provides surge suppression and protects
control systems from transients and noise.
• The 3117 also eliminates ground loops and can be used for measuring floating
signals.
• Mounting of the 3117 can be in Safe area or in Zone 2 and Cl. 1 Div 2 area and
is approved for marine applications.
Technical characteristics
• Flexible 24 VDC (±30%) supply via power rail or connectors.
• Excellent conversion accuracy, better than 0.05% of selected range.
• Inputs and outputs are floating and galvanically separated.
• A green front LED indicate operation status for the device.
• All terminals are protected against overvoltage and polarity error.
• Meeting the NAMUR NE21 recommendations, the 3117 ensures top measure-
ment performance in harsh EMC environments.
• High galvanic isolation of 2.5 kVAC.
• Fast response time < 7 ms / > 100 Hz bandwidth.
— 10 Hz bandwidth damping possible via DIP-switch.
• Excellent signal/noise ratio > 60 dB.
mounting / installation
• Fast and easy configuration of factory calibrated measurement ranges via DIP-
switches.
• A very low power consumption allows DIN rail mounting with up to 165 units
per metre without the need for any air gap.
• Wide temperature operation range: -25...+70°C.
3 1 1 7 V 1 0 0 -UK
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