ABB Module DSTA131 57120001-CV 57120001-ET ABB DSTA131 Connection Unit Drive
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ABB Module DSTA131 57120001-CV 57120001-ET ABB DSTA131 CONNECTION UNIT DRIVE Performance great
Product Description:
When resistance thermometers are used, a constant current must flow through the measuring resistor in order to create the necessary voltage drop for the evaluation. For this purpose, the basic unit 07 KT 94 provides a constant current sink, which is multiplexed to the 8 analog channels. The following figure shows the connection of Pt100 resistance thermometers in 2-wire configuration.Measuring ranges and with Pt100 as temperature sensor in 3-wire configuration The following figure shows the connection of Pt100 resistance thermometers in 3-wire configuration.The 07 KT 94 unit linearizes the Pt100 characteristic.Temperatures that exceed the measuring range cause the overflow numerical value of +32767. If the measured value is below the range, the underflow numerical value of -32767 is set. In case of a detected open-circuit the numerical value of +32767 is set. If the sensor is short-circuited, the numerical value of -32767 is set.
Related Product Recommendation:
Product's Character:
In order to avoid measurement errors, it is absolutely necessary,
to lead the cores to the Pt100 sensors in the same cable. The cores
must have the same cross section. Per channel, a twisted pair is
used (for the two terminals of the Pt100 sensors) plus a single
core (half of a twisted pair) for the connection to AGND1.
Depending on the configured operating mode, the measured value is
assigned linearly as follows the return wire AGND1. In the
operating mode "Pt100 in 3-wire configuration" two adjacent analog
inputs belong together (e.g. EW 6,00 and EW 6,01). For
configuration, both inputs must be configured to the desired
operating mode, see configuration table Fig. The constant current
of the one channel flows through the Pt100 resistance sensor, the
constant current of the other channel through one of the wires.
DCS800-EP2-0230-05 Module Drive ABB DCS800-S02-0200-05 Module Drive ABB
The use of the product: 1. machinery, 2.energy, 3.transmission and distribution. Product's advantages: 1. Provides the lowest Total Cost of Ownership (TCO)
Our advantages: 1.Optimize plant operations
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