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RX3i ALG306 Analog

Rated 4.5/5 Based on 19 ratings.

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SKU 2171213  UPC 0583515868988


Repair Service


5-10 Days

✓  2 Year PDF Supply Warranty

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Common misspellings:
  • 1C695ALG306
  • IC695A1G306
  • IC695ALG3o6
  • IC695ALG306

Product Description

The IC695ALG306 is a 6-Channel Isolated Thermocouple Input module from the GE Fanuc RX3i Series. This module provides 6 isolated differential thermocouple input channels. The module must be located in an RX3i Universal Backplane. It requires an RX3i CPU with firmware version 5.5 or later.  See specifications for this unit on IC695ALG306's website page.

Technical Specifications

Module Type: Isolated Thermocouple Input
Number of Inputs:  6
Internal Power: 3.3V: 400mA;  5V: 150 mA
Number of Slots: 1 (single slot)
Types: J, K, T, E, R, S, B, N or C
Update Rate:    15 msec to 120 msec (configurable) 



Technical Information



Number of Channels

6/12 Individually isolated channels


11.5-16 bits (see filter table)

Measuring method selectable per channel

Voltage: +/-50mV and +/-150mV

Thermocouple types: J, K, T, E, R, S, B, N and C

Integration time for 12 channels

Configurable from 15 msec to 120 msec.

Voltage Accuracy over temperature span

±0.1% of voltage span at 25 °C

±0.25% of span over temperature range

Thermocouple Input Types and Ranges

Thermocouple Type

Temperature Range

Type B

+300 to +1820

Type C

0 to +2315

Type E

-270 to +1000

Type J

-210 to +1200

Type K

-250 to +1372

Type N

-210 to +1300

Type R

0 to +1768

Type S

0 to +1768

Type T

-270 to +400

Voltage Input Ranges

Input Type

Voltage Range

-50mV to +50mV

-55.0 mV to +55.0 mV

-150mV to +150mV

-155.0 mV to +155.0 mV

Module temperature accuracy for thermocouple inputs over temperature span (2.3, 4, and 4.7 Hz filters), Does not include cold junction compensation or thermocouple tolerances.

Thermocouple Type & Range


0°C to +60°C

Type J (-180ï‚°C to +1200ï‚°C)



Type J (-210ï‚°C to -180ï‚°C)



Type N (-160ï‚°C to +1300ï‚°C)



Type N (-210ï‚°C to -160ï‚°C)



Type T (-190ï‚°C to +400ï‚°C)



Type T (-270ï‚°C to -190ï‚°C)



Type K (-200ï‚°C to +1372ï‚°C)



Type K (-250ï‚°C to -200ï‚°C)



Type E (-200ï‚°C to +1000ï‚°C)



Type E (-270ï‚°C to -200ï‚°C)



Type S and R



Type C



Type B



Measurement Units

Degrees C or F, or Voltage

CJC measurement resolution

0.01° (C or F) for temperatures 0-60°C

CJC temperature accuracy

±1.5°C Typical (0-60°C), ±3.0°C Max (0-60°C)


0.05% of voltage span at a constant temperature over a 30-second period

Diagnostics reported to the controller

User configurable for Over Range, Under Range, High and Low Alarm, High- high and Low-low alarm, Open Circuit Detection, Positive and Negative Rate of Change alarm

Channel-to-channel crosstalk

70 dB minimum


Common Mode Rejection

2.3 Hz filter, 50/60Hz: 100 dB 4 Hz filter, 50Hz: 100 dB

4.7 Hz filter, 60Hz: 100 dB

Default or Hold Last State

Configurable per channel for Default to 0 or Hold Last State

Fault Reporting

Configurable per channel to enable or disable fault reporting for under or over range alarm, open circuit, rate of change alarm.

Rate of change

Configurable per channel to enable/disable and specify positive and negative rate of change alarms.

Channel Value Format

Configurable as 16-bit integer (in a 32-bit field) or 32-bit real number.

Backplane Power Requirements

3.3V IC695ALG306 = 400mA maximum

IC695ALG312 = 400mA maximum

5.0V IC695ALG306 = 225mA maximum

IC695ALG312 = 425mA maximum

Input Impedance

Voltage:  >=500k ohm

Power Dissipation within the module

IC695ALG306 = 2.5W max IC695ALG312 = 3.5W max

Isolation Voltage (Field to Backplane and Channel to channel)

(CJC inputs are not isolated from the backplane)

250VAC Continuous 1500VAC 1 minute

2550VDC 1 second

Normal Mode Noise Rejection

2.3 Hz filter, 50Hz/60Hz: 67dB

4 Hz filter, 50Hz/60Hz: 80dB 24 Hz filter, 50Hz/60Hz: 25dB

Module Filter settings, update times, rejection and resolution

Filter Frequency

(-3dB frequency)

Update Time (milliseconds)

Normal Mode Rejection at 50/60 Hz

2.3 Hz

120 (130 max)

67dB @ 50/60 Hz

4 Hz

70 (80 max)

80dB @ 50 Hz

4.7 Hz

60 (70 max)

80dB @ 60 Hz

24 Hz

20 (30 max)

25dB @ 50 Hz

28 Hz

15 (25 max)

25dB @ 60 Hz



Troubleshooting IC695ALG306

Troubleshooting information is available on IC695ALG306's website page; it also includes a datasheet user-manual and a wiring diagram.


Repair your IC695ALG306

PDF Supply can repair your IC695ALG306 in 3-5 business days. And PDF Supply stands by all of its repairs with a 1 year customer satisfaction warranty.

Customer Questions and Answers

  • Question:  What is an IC695ALG306?  Answer:  The IC695ALG306 is a 6-Channel Isolated Thermocouple Input module from the GE Fanuc RX3i Series. 
  • Question:   What does IC695ALG306 provide?  Answer:  This module provides 6 isolated differential thermocouple input channels.
  • Question:   How are the individual channels congfigured?  Answer:  Each channel can be individually configured for inputs from:   
    • Thermocouple types: J, K, T, E, R, S, B, N, or C
    • Voltage: +/- 50mV
  • Question:  Where must IC695ALG306 be located?  Answer:  This module must be located in an RX3i Universal Backplane. 
  • Question:   With what kind of terminal blocks can IC695ALG306 be used?  Answer:  This module can be used with a Box-style (IC694TBB032), Extended Box-style (IC694TBB132), Spring-style (IC694TBS032), or Extended Spring-style (IC694TBS132) Terminal Block. 
  • Question:   What do extended terminal blocks provide?  Answer:  They provide the extra shroud depth needed for shielded wiring. 
  • Question:  What are some of the features of IC695ALG306?  Answer:
    • Completely software-configurable, no module jumpers to set
    • Thermocouple Linearization based on ITS-90
    • Supports hot removal and insertion (with system power applied)
    • 32-bit IEEE floating point or 16 bit integer (in 32 bit field) input data format selectable per channel
    • Temperature units selectable in degrees C and F
    • User scaling
    • Programmable notch filter from 2.3 Hz to 28 Hz per channel
    • Alarm dead band for high alarm, low alarm, high-high alarm, and low-low alarm by channel
    • Wire-off (open circuit) condition support for all inputs
    • Module fault status reporting (Watchdog, RAM Fail, Flash Fail)
    • Module identity and status reporting including LED status indicators
    • Supports Cold Junction Compensation (CJC) on Terminal Block (Cold Junction Sensor sold separately)
    • User offset for all channels including CJCs
    • Supports field upgrade of firmware application code
    • Optional CJC enable selections
    • Reports CJC temperatures as separate channels in Input Data
    • CJC update rate is fixed at 20 Hz
    • CJC filter setting fixed with first notch at 10 Hz, and 3dB input attenuation at 4.7 Hz
    • Terminal Block detection switch
  • Question:  What should I do if my IC695ALG306 is not working properly?  Answer:  Your IC695ALG306 may need repair

For more information on the IC695ALG306 6-Channel Isolated Thermocouple Input Module of the GE Fanuc RX3i Series, please see the Datasheet User-Manual.

Release History


Firmware Revision


IC695ALG306-EB IC695ALG312-EB


Hardware revision for improved manufacturability. No change in functions, performance or compatibility.

IC695ALG306-DB IC695ALG312-DB


Hardware revision to address component obsolescence. No change in functionality, performance, or compatibility.

IC695ALG306-CB IC695ALG312-CB


Improves accuracy of cold junction compensation and eliminates input glitches observed on some units. Also changes dual CJC scanning to revert to scanning a single operational CJC sensor in the event one of them fails instead of assuming 25°C for the failed sensor.

Modified Type K Thermocouple low-end range from -270 °C to -250 °C.

IC695ALG306-CA IC695ALG312-CA


Label change only. No change in functionality, performance or compatibility.

IC695ALG306-BA IC695ALG312-BA


Modified the terminal block detector switch to increase the size of the switch lever. The increased size of the switch lever allows additional tolerance to assure contact with the terminal block actuator.

IC695ALG306-AA IC695ALG312-AA


Initial Release


ST. LOUIS, Feb. 1, 2019 – Emerson today announced it has completed the purchase of Intelligent Platforms from General Electric.
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