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The GE IC695ALG508 - AA is an 8 - channel isolated RTD module of the PACSystem RX3i programmable automation controller (PAC)1. It is manufactured by Emerson Automation, formerly known as GE Intelligent Platforms (GE IP)1. Here is a detailed introduction:

Features1

Input Types: The module supports various RTD input types, including platinum 385 (with resistance values of 50, 100, 200, 500, and 1000 ohms), platinum 391.6 (50 - 1000 ohms), nickel 618 (100 - 1000 ohms), nickel 672, nickel - iron 518, and copper 426. It also accepts direct resistance inputs such as 0 - 260, 0 - 525, 0 - 1050, 0 - 2100, 0 - 3150, and 0 - 4200 ohms. Each channel can be individually set to an RTD input type or a resistance input type.

Measurement Units and Modes: The module offers optional measurement units, namely Celsius, Fahrenheit, or ohms. It also features configurable default or "hold last state" responses to system failures and CPU changes in operating mode. In addition, it supports 2 - wire, 3 - wire, and 4 - wire RTD sensors.

Data Format and Filtering: The IC508ALG16 input data format supports 32 - bit integers or 2 - bit IEEE floating - point data in a 32 - bit field. Each channel is equipped with an optional notch filter with a frequency range of 3.28 Hz to 694 Hz.

Terminal Types: For input wire termination, the module uses cassette - type (IC032TBB694), extended cassette - type (IC132TBB694), spring - type (IC032TBS694), or extended spring - type (IC132TBS695) terminal blocks.

Technical Specifications3

Channel Characteristics: It has 8 isolated differential RTD input channels. The channel - to - channel isolation voltage is 500V AC (RMS), and the isolation voltage between the module and the system ground is 1500V AC.

Signal Resolution and Sampling Rate: The resolution is 12 - bit (typical, and higher accuracy can be achieved for some signal types). The sampling rate is up to 250 ms per channel, depending on the signal type and filtering settings.

Power Supply: It is powered by a DC24V power supply from the backplane, and the module power consumption is approximately 1.5W.

Operating Environment: The module has a wide operating temperature range of - 20 °C to 55 °C, a storage temperature range of - 85 °C to 5 °C, and a non - condensing humidity range of 5% to 95%. It is suitable for indoor use and has a protection level of IP20.

Functionality and Advantages3

Core Functions: It supports a variety of analog signal inputs such as voltage, current, and thermocouples. The signal type can be switched by software configuration without hardware modification. The 12 - bit resolution, combined with the digital filtering function, can effectively suppress electromagnetic interference (EMI) in the field, which is suitable for scenarios with high - precision signal requirements, such as sensor data acquisition and process monitoring. It also has a built - in channel fault detection function (such as disconnection and out - of - range), and the LED status indicator is used to display the module operating status (power supply, communication, and channel fault) in real time.

Industrial - Grade Design: With a wide temperature range and strong anti - interference ability, it meets international certifications such as CE and UL, and has passed EMC electromagnetic compatibility tests, which can operate stably in strong electromagnetic interference environments. It also supports hot - swapping, which facilitates maintenance and replacement.

System Integration Advantages: It can be flexibly networked with VersaMax - series controllers (such as IC695CPU310/320), digital modules, and communication modules and installed in the same frame to build a customized I/O system. It supports the GE Proficy Machine Edition programming software and is compatible with programming languages such as ladder diagram (LD) and structured text (ST), which is convenient for engineers to develop control logic.

GE IC695ALG508-AA RX3i 8 CHANNEL ISOLATED RTD MODULE

GE IC695ALG508-AA RX3i 8 CHANNEL ISOLATED RTD MODULE

GE IC695ALG508-AA RX3i 8 CHANNEL ISOLATED RTD MODULE

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