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Schneider Electric Modicon 984 AS-B884-002

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AS-B884-002

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The AS-B884-002 from Schneider Electric is part of the Modicon 984 series, specializing as a PID (Proportional-Integral-Derivative) loop module. This device is powered by a 24 Volts DC supply and features two channels for flexible control and monitoring operations.

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Technical specifications for AS-B884-002

ManufacturerSchneider Electric
Product TypeSpecial Purpose Module
Product LineModicon 984
Part NumberAS-B884-002
Weight3.50 lbs (1.59 kg)
Module TypePID (Proportional-Integral-Derivative) loop
Rated Supply Voltage24 Volts DC
Number of Channels2 channels
AlgorithmP, PI, PD, and PID
Topology2 discrete inputs, 2 discrete outputs, 4 analog inputs, 2 analog outputs, 1 pulse input, and 2 thermocouple inputs
Normal Mode Rejection60 decibels
Input Range4 to 20 milliamperes, 1 to 5 Volts DC, and 0 to 10 Volts DC
Maximum Common Mode Voltage180 Volts DC/AC
Common Mode RejectionLess than -90 decibels at 50 to 60 Hertz
Compatible Configuration ProgramSW-BDD-3DA software
Status Indicator Type1 LED indicator
Required Current50 milliamperes at 5 Volts DC and 2 milliamperes at 4.3 Volts DC
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The Schneider Electric AS-B884-002 serves as a dedicated PID loop module within the Modicon 984 series. It is engineered to use a rated supply voltage of 24 Volts DC, which is essential for its operational capabilities. This particular module is equipped with two channels, facilitating various control applications effectively.

The AS-B884-002 supports different algorithm types, namely P, PI, PD, and PID, catering to diverse process control needs. Its topology consists of a robust configuration with 2 discrete inputs, 2 discrete outputs, alongside 4 analog inputs and 2 analog outputs. Additionally, it features one pulse input and two thermocouple inputs for enhanced functionality in temperature and process monitoring.

Normal mode rejection is rated at 60 decibels, ensuring minimal interference in the control signals. It has an input range of 4 to 20 milliamperes, with additional ranges of 1 to 5 Volts DC and 0 to 10 Volts DC. The module can handle a maximum common mode voltage of 180 Volts, whether DC or AC. It achieves common mode rejection of less than -90 decibels within the frequency range of 50 to 60 Hertz.

Configuration of the AS-B884-002 is compatible with the SW-BDD-3DA software, simplifying integration into existing systems. The module is outfitted with a single LED status indicator for monitoring its operational state. Weighing 3.74 pounds (1.69 kilograms), it requires a current of 50 milliamperes at 5 Volts DC and 2 milliamperes at 4.3 Volts DC to function effectively.