ABB Module DSQC345B ABB DSQC 345B ABB DSQC-345B ROBOTICS DRIVE UNIT quick response

ABB Module DSQC345B ABB DSQC 345B ABB DSQC-345B ROBOTICS DRIVE UNIT quick response

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.

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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.
The basic unit 07 KT 94 calculates the measuring value from the two voltage drops and stores it under the odd address

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The use of the product:

Moore Automation is a company specializing in the sales of modules and spare parts for world-renowned brands (DCs systems, robot systems, large servo control systems). The company's products include: distributed control systems (DCS), programmable controllers (PLC), MOTOROLA -MVME industrial modules, industrial control communication converters (Anybus), remote output/input modules (RTU), industrial computers (PC), industrial low-frequency screens (IPC), human-machine interface SCSI (50, 68, 80Pin ) AnyBus(Gateway)o The spare parts we sell provide one-year quality guarantee and have undergone strict testing and certification. Now we have become a global sales enterprise of industrial automation spare parts and components.