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IC695ALG508

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The Model IC695ALG508 is an isolated 8-channel RTD input module for the PACSystems RX3i platform, designed to provide precise temperature and resistance measurements for industrial process control applications.
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Technical specifications for IC695ALG508

  • Manufacturer:
    General Electric
  • Part Number:
    IC695ALG508
  • Product Family:
    GE PACSystems RX3i
  • Product Type:
    RTD Input Module
  • Number of Channels:
    8
  • Measuring Method:
    RTD or Resistance
  • RTD Wiring Support:
    2, 3, or 4-wire
  • Maximum RTD Lead Resistance:
    25 ohms each side, 50 ohms total
  • Excitation Current:
    1.654 mA to 0.238 mA
  • Temperature Units:
    Celsius or Fahrenheit
  • Weight:
    0.22 kg
  • Estimated shipping dimensions:
    3.2x13.2x13.7cm
  • Tariff Code:
    8517795000
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications

Features:

  • Eight isolated RTD input channels for PACSystems RX3i
  • Supports multiple RTD types and resistance measurements up to 4000 ohms
  • Per-channel diagnostics with open wire detection and configurable alarms
The IC695ALG508 provides essential temperature sensing functions critical to the entire control path, serving as the primary interface between RTD sensors and the control system, directly affecting the proper, normal operation of the overall automation system. One IC695ALG508 module can handle up to 8 RTD input points, with each channel individually configurable for Platinum 385, Platinum 391.6, Nickel 618, Nickel 672, Nickel-Iron 518, and Copper 426 RTD types, as well as resistance inputs up to 4000 ohms.

For applications requiring advanced monitoring and troubleshooting, the IC695ALG508 incorporates comprehensive per-channel diagnostics including under range, over range, open wire detection, positive and negative rate of change monitoring, and configurable high, high-high, low, and low-low alarms with programmable deadbands.

The IC695ALG508's robust design ensures reliable operation in industrial environments. Using high-quality components with per-channel isolation, the module delivers precise measurements with common mode rejection up to 100 dB at lower filter settings. The channel-to-channel crosstalk of the IC695ALG508 is 70 dB minimum at 120 ms update rate, ensuring signal integrity across all eight channels.

The IC695ALG508 General Electric INPUT MODULE may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

General Electric IC695ALG508 INPUT MODULE Manuals, Datasheets, Drivers, Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
General Electric IC695ALG508 PACSystemsTM RX3i Specs

General

  • Manufacturer General Electric
  • Model IC695ALG508
  • Condition New Original ready stock
  • Product Family IC695ALG504,IC695ALG600,IC695ALG616
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Description
The Model IC695ALG508 is a precision isolated RTD input module engineered for the PACSystems RX3i platform, providing eight fully isolated differential input channels for temperature and resistance measurement applications. This module requires an RX3i Universal Backplane and a CPU with firmware version 5.5 or later, along with PAC Machine Edition Version 5.8 or higher for configuration. 

Configuration flexibility is a hallmark of the IC695ALG508, with all parameters completely software-configurable without requiring module jumpers. Each channel on the IC695ALG508 can be independently set for RTD type, resistance range, wiring configuration (2, 3, or 4-wire), temperature units (Celsius or Fahrenheit), and data format (32-bit floating point or 16-bit integer). 

Diagnostic and alarm capabilities on the IC695ALG508 are comprehensive and user-configurable. The module provides per-channel detection of under range, over range, open wire, and rate of change conditions, along with configurable high, high-high, low, and low-low alarms with programmable deadbands. The IC695ALG508 supports periodic lead resistance compensation for 3-wire RTDs, automatically measuring and compensating for lead resistance every 100 samples.

The IC695ALG508 is available in both standard and conformally coated (IC695ALG508CA) versions for enhanced environmental protection. The module utilizes separately ordered terminal blocks including box-style (IC694TBB032, IC694TBB132) or spring-style (IC694TBS032, IC694TBS132) options, with extended versions providing additional shroud depth for shielded wiring. 
Revisions

Revision Part #

Also known as

IC695ALG508CA
IC695ALG508-CA, Series CA, Rev CA
IC695ALG508DB
IC695ALG508-DB, Series DB, Rev DB
IC695ALG508EB
IC695ALG508-EB, Series EB, Rev EB
IC695ALG508FB
IC695ALG508-FB, Series FB, Rev FB
Alternative Names
IC695ALG508CA IC695ALG504 IC695ALG600 IC695ALG616
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What RTD and resistance types are supported by the IC695ALG508 module?
The IC695ALG508 supports an extensive range of RTD types including Platinum 385 and 391.6 (50, 100, 200, 500, 1000 ohm), Nickel 618 (100, 200, 500, 1000 ohm), Nickel 672 (120 ohm), Nickel-Iron 518 (604 ohm), and Copper 426 (10, 50, 100 ohm). Additionally, the IC695ALG508 supports resistance inputs across six ranges: 0-260, 0-525, 0-1050, 0-2100, 0-3150, and 0-4200 ohms, providing exceptional versatility for diverse industrial sensing applications.
What wiring configurations and lead resistance compensation are available on the IC695ALG508?
The IC695ALG508 supports 2, 3, or 4-wire RTD connections on a per-channel basis, with maximum lead resistance of 25 ohms per side (50 ohms total). For 3-wire RTDs, the IC695ALG508 offers periodic lead resistance compensation that can be enabled or disabled; when enabled, the module automatically measures lead resistance once every 100 samples and applies this value for the next 100 samples, ensuring measurement accuracy despite lead resistance variations.
What diagnostic and alarm features does the IC695ALG508 provide?
The IC695ALG508 offers comprehensive per-channel diagnostics including under range, over range, open wire detection, positive and negative rate of change monitoring, and configurable alarms for high, high-high, low, and low-low conditions with programmable deadbands. These diagnostic features on the IC695ALG508 can be independently enabled for diagnostic reporting, fault logging, and interrupt generation, providing flexible response options for process monitoring and protection applications.
What are the filter options and update times on the IC695ALG508?
The IC695ALG508 features programmable notch filters with selectable frequencies of 2.3 Hz, 4 Hz, 4.7 Hz, 24 Hz, and 28 Hz, allowing optimization for noise rejection versus response time. Update times on the IC695ALG508 range from 15 ms at 28 Hz filtering to 120 ms at 2.3 Hz filtering when all channels are configured identically. Common mode rejection reaches 100 dB at lower filter settings, while normal mode rejection varies from 67 dB to 80 dB depending on filter selection.

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