Cooper-instruments-systems DFI 1650 Multi-Channel Digital Force Indicator Manual de usuario Pagina 53

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CF 66 47 Rev. C 2/05
Figure 12-1: “Bi-polar Voltage Amp” connection to High-Level Input Channel
12.2.3 “3-wire Voltage” Amplifiers
Use the following wiring diagram when connecting an amplified transducer or in-line amplifier with 3-wire voltage
amplifier to a High-Level Input channel. Examples of such devices include:
transducers with Option 2c or Option 2t internal amplifiers (with shunt cal)
Models UV or UV-10 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”.
(+)Excitation supply: “+28 VDC”
(-)Excitation supply: “GND”
Signal type: “voltage”
Signal reference: “differential”
Figure 12-2: “3-wire Voltage Amp” Connection to High-Level Input Channel
12.2.4 “3-wire Voltage” Amplifiers with Single-wire Shunt Cal
Use the following wiring diagram when connecting an amplified transducer with 3-wire voltage amplifier to a High-
Level Input channel. An example of such a device includes:
transducers with Option 2d or Option 2g internal 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”.
(+)Excitation supply: “+28 VDC”
(-)Excitation supply: “GND”
Signal type: “voltage”
Signal reference: “differential”
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