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Properties
1.1
2/4AI RTD ST analog electronic module (6ES7134-4JB51-0AB0)
Properties
● 2 inputs (3- and 4-cable connection) / 4 inputs (2-cable connection) for resistance
● Input ranges:
● Isolated from the load voltage L+
● Linearization of the sensor characteristic curves
● Extended temperature range from 0 to 50°C with vertical installation
● supports I&M functions
● compatible with the 2AI RTD ST (6ES7134-4JB50-0AB50). The wiring does not have to
● Comparison junction for the 2AI TC ST analog electronic module. Channels 0 and 1 have
3 methods for measuring resistance
● 4-wire connection: Constant current is fed to the resistance thermometers / resistors by
● 3-wire connection: Constant current is fed to the resistance thermometers / resistors by
● 2-wire connection: Up to 4 resistance thermometers / resistors can be connected
2/4AI RTD ST analog electronic module (6ES7134-4JB51-0AB0)
Manual, 07/2008, A5E01076865-02
thermometers or resistance measurement
– Resistance thermometers: Pt100 (α = 0,003851); Ni100 (α = 0,00618); resolution
15 bit + sign
– Resistance measurement: 150 Ω; 300 Ω; 600 Ω, PTC; resolution max. 15 bit + sign
be changed. The additional bridges on the terminal module of the 2AI RTD ST
(6ES7134-4JB50-0AB50) do not have to be removed.
been used as a comparison junction.
means of connections IC
resistor is measured at the connections M+ and M-. This ensures highly accurate
measurement results with the four-wire connection.
means of connections IC
resistor is measured at the connections M + and M -. The line resistance of M- is
compensated for. This ensures highly accurate measurement results with the three-wire
connection.
simultaneously. No bridges are required on the terminal module. However, you have to
expect a loss of accuracy in the measurement results with 2-wire connections
C
. The voltage measured at the resistance thermometer /
+ and I
-
and M-. The voltage arising at the resistance thermometer /
+
1
7
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