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IC693PWR324 Image of IC695ALG412 GE IP High Speed 12 channel isolated thermocouple  module | Image IC695ALG412

SKU 2170311  UPC 047537258603

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Other Available Revisions for the IC695ALG412 -AA-AB-BB-CB-DCLT

Common misspellings:
  • 1C695ALG412
  • lC695ALG412
  • IC695A1G412
  • IC695ALGA12
  • IC695ALG4l2
  • IC695ALG412

Technical Specifications for IC695ALG412

ManufacturerGE Fanuc
SeriesRX3i PACSystems
Part NumberIC695ALG412
Product TypeThermocouple Input Module
Number of Channels12
Resolution11.5 to 16 bits
Thermocouple TypesType J, K, T, E, R, S, B, N, and C
Measurement UnitDegrees Celsius
Input Impedance500 Kiloohms
Power Dissipation3.5 Watts

Product Description

The IC695ALG412 is a 12-Channel Thermocouple Input module from the GE Fanuc RX3i Series.This module provides 12 isolated differential thermocouple input channels.   See specifications for this unit on IC695ALG412's website page.

Technical Specifications

Module Type: Isolated Thermocouple Input
Number of Inputs:  12
Internal Power: 3.3V: 400mA;  5V: 425 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) 



The IC695ALG412 Thermocouple Input Module belongs to the GE Fanuc RX3i PACSystems series of I/O modules. It comes with 12 isolated differential thermocouple input channels. It supports hot removal and insertion even with the system power being applied. The IC695ALG412 Thermocouple Input Module comes with LED status indicators for status reporting and module identification. The resolution range of the module is 11.5 to 16 bits. Its advanced diagnostics facilities report high and low alarms, open circuits, and over/under range situations to the users of the controller. The inputs of the channels can be configured to a variety of thermocouple types such as Types K, T, E, R, S, B, N, and C.    


The IC695ALG412 Thermocouple Input Module uses an external source of 24 Volts DC isolated power as the power supply of the module. Its RX3i universal backplane has a TB1 connector on the left side to connect the external power source. This module is compatible with any type of terminal assembly including the box-style, extended box-style, spring-style, and extended spring-style assemblies. It is completely software-configurable and it does not require any jumpers for configurations.  Some of the main features of the IC695ALG412 Thermocouple Input Module include the temperature unit selectability, programmable notch filter, user scaling, under range/over range alarm detection, and terminal block detection switch. It provides field-upgradeable firmware. The resolution of the module depends on the filters and input types. It has easy wiring connections without shield terminals. It is recommended to use a CJC sensor when using this thermocouple input module. The CJC sensor must be inserted into the terminal block contact while maintaining the metal-to-metal contact between the terminals and the thermistor.

Technical Information




Number of Channels

12 Individually isolated channels


11.5–16 bits (see filter table)

Measuring method selectable per channel

Voltage: ±50mV

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

Module temperature accuracy for thermocouple inputs over temperature span

(Does not include cold junction compensation or thermocouple tolerances)

Module accuracy at (2.3, 4, 4.7 and

8 Hz filters):

Thermocouple Type & Range




Type J (-180ï‚°C to +1200ï‚°C)

± 0.6°C

± 1.25°C

± 2.3°C

Type J (-210ï‚°C to -180ï‚°C)

± 0.8°C

± 1.6°

± 3.3°C

Type N (-160ï‚°C to +1300ï‚°C)

± 1.0°C

± 2.0°C

± 4.5°C

Type N (-210ï‚°C to -160ï‚°C)

± 1.8°C

± 3.6°C

± 8.0°C

Type T (-190ï‚°C to +400ï‚°C)

± 0.9°C

± 1.8°C

± 4.0°C

Type T (-270ï‚°C to -190ï‚°C)

± 6.7°C

± 13.4°C

± 18.0°C

Type K (-200ï‚°C to +1372ï‚°C)

± 1.0°C

± 2.0°C

± 4.0°C

Type K (-250ï‚°C to -200ï‚°C):

± 5.1°C

± 9.5°C

± 21.0°C

Type E (-200ï‚°C to +1000ï‚°C

± 0.6°C

± 1.2°C

± 2.5°C

Type E (-270ï‚°C to -200ï‚°C)

± 5.3°C

± 10.6°C

± 14.0°C

Type S and R

± 2.8°C

± 5.6°C

± 11.5°C

Type C

± 1.7°C

± 3.4°C

± 7.0°C

Type B

± 3.3°C

± 6.6°C

± 20.0°C

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) when using IC695ACC600A or B (with an accuracy of ±0.3°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

All filters, 50/60 Hz: 110 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 IC695ALG412 = 400mA

5.0V IC695ALG412 = 425mA

Input Impedance

Voltage:  >=500k ohm

Power Dissipation within the module

IIC695ALG412 = 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

Module Filter settings, update times, rejection and resolution

Filter Frequency (-3dB frequency)

Update Time (milliseconds)

Normal Mode Noise Rejection at 50/60 Hz

2.3 Hz

120 (130 max)

80dB @ 50/60 Hz

4.0 Hz

70 (80 max)

80dB @ 50 Hz, 65dB @ 60 Hz

4.7 Hz

60 (70 max)

80dB @ 50/60 Hz

8.0 Hz

30 (40ms max)

48dB @ 50 Hz; 28dB @ 60 Hz

24.0 Hz

20 (30 max)

38dB @ 50 Hz

28.0 Hz

15 (25 max)

38dB @ 60 Hz


Troubleshooting IC695ALG412

Troubleshooting information is available on IC695ALG412's website page; it also includes a datasheet user-manual and a wiring diagram.


Repair your IC695ALG412

PDF Supply can repair your IC695ALG412 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 IC695ALG412?  Answer:  The IC695ALG412 is a 12-Channel Thermocouple Input module from the GE Fanuc RX3i Series. 
  • Question:   What does IC695ALG412 provide?  Answer:  This module provides 12 isolated differential thermocouple input channels.
  • Question:   What does IC695ALG412 offer?  Answer:  This module offers a 10dB improvement in noise rejection compared to the ALG312 thermocouple input module.
  • Question:   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 IC695ALG412 be located?  Answer:  This module must be located in an RX3i Universal Backplane. 
  • Question:   With what kind of terminal blocks can IC695ALG412 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 IC695ALG412?  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 60 Hz, and 3dB input attenuation at 26.5 Hz
    • Terminal Block detection switch
  • Question:  What should I do if my IC695ALG412 is not working properly?  Answer:  Your IC695ALG412 may need repair

For more information on the IC695ALG412 12-Channel Thermocouple Input Module of the GE Fanuc RX3i Series, please see the Datasheet User-Manual.

Release History


Firmware Revision





This version of the product is a new HW design to resolve obsolescence and comply with  EU RoHS 2011/65/EU



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



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



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




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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