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page 102 008-0608-00
12.2.5 “3-wire Current”
Amplifiers
Use the following wiring diagram when connecting an amplified transducer or in-line
amplifier with a 3-wire current amplifier to a High-Level Input channel. Examples of
such devices include
• transducers with the Option 2j internal amplifier (with shunt cal)
• Model U3W Universal In-Line amplifiers (with shunt cal)
The High-Level Input channel’s Configuration Jumpers must be set as follows for
proper operation. See “Excitation and Signal Jumpers” on page 106.
• (+)Excitation supply: “+28 VDC”
• (-)Excitation supply: “GND”
• Signal type: “current”
• Signal reference: “single ended”
Figure 12-4: “3-wire Current Amp” Connection to High-Level Input Channel