IC200ALG261 GE Analog Input Module

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IC200ALG261

Sales Manager:Frida
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◆Email:sales5@mooreplc.com

Description - Analog Input Module

IC200ALG261

The module receives power from the backplane power supply. No external power source is required for module operation. Power for the user's transceivers must be supplied from an external source.
Module features include:
▪ Eight differential input channels, one group
▪ Fifteen bit converter resolution
▪ Software-configurable selection of default/hold last state operation

Parameter - Analog Input Module

IC200ALG261

Channels:8 differential, one group
LED indicators:OK LED indicates backplane power is present.
Backplane current consumption:5V output 200mA maximum
External power supply:None
Thermal derating:None
Configuration parameters:None
Diagnostics:Loss of Internal Power
Input Voltage (Differential):-10V to +10V
Input Voltage (Common Mode):-10V to +10V
Input Impedance:100 Ohms minimum
Accuracy (0V common mode):
25 degrees C  & 0 to 60 degrees C:
+/-0.3% typical of full scale,
+/-0.5% maxi of full scale
+/-1% maximum of full scale
Resolution:0.3125mV = 1 count
Update rate:7.5ms

FAQ - Analog Input Module

IC200ALG261

Q: Is the IC200ALG261 suitable for my existing VersaMax I/O station?
A: Yes, the IC200ALG261 is fully backward compatible. The latest revision (Revision K) is a branding and certification update following Emerson's acquisition. Crucially, there is no change to material, form, fit, or function compared to earlier GE Intelligent Platforms versions. It will drop directly into your existing backplane without any firmware changes required on the CPU or NIU.

Q: What is the main advantage of this module for differential signals?
A: This module provides True Differential Inputs. Unlike single-ended inputs, the differential measurement rejects common-mode noise (up to ±10V), ensuring the 15-bit high-resolution signal (0.3125 mV/count) remains accurate even near VFDs or motor starters.

Q: Does this module provide loop power for my field transmitters?
A: No, it does not. The IC200ALG261 is a Voltage Input module only (range ±10V). You must provide an external 24V DC power supply for your transducers or transmitters. The module's internal circuits are powered by the VersaMax backplane (consuming 200mA @ 5V).

Q: Can I use this with my DeviceNet Network Interface Unit (DBI001)?
A: No, this is not supported. Please be aware of the compatibility restriction: The IC200ALG261 is not compatible with the DeviceNet NIU (DBI001). It is fully compatible with Ethernet (EBI001), Genius (GBI001), and Profibus (PBI001) NIUs, as well as standard CPUs.

Q: What happens to the outputs if the module loses backplane power?
A: Since this is an Input module, the state of the data reported to the CPU will go to zero or a fault condition (Loss of Internal Power diagnostic). The module reports a specific "Loss of Internal Power" fault for the field-side circuits to alert the controller.

Model Comparison - Analog Input Module

Feature / Specification

IC200ALG261

(Your Model)

IC200ALG260

(Common Alternative)

IC200ALG264

(Different File Reference)

Input Type

Differential Voltage

Single-Ended Voltage

Current Loop (4-20mA)

Channels

8

15 (Voltage)

8 (Current)

Voltage Range

10 VDC

0-10 VDC

N/A

Common Mode Rejection

Yes (Excellent)

No

N/A

Resolution

15-bit

12-bit

15-bit

Impedance

100 Ohms min

>10k Ohms

250 Ohms (Current)

Key Application

Battery monitoring, shunt resistors, legacy 5V sensors

General 3-wire 0-10V sensors

Standard 4-20mA transmitters

Field Power Source

External Required

External Required

External Required

Compatibility (DBI001)

NO

Yes

NO