IS220YAICS1B - Analog I/O Module

IS220YAICS1B - Analog I/O Module IS220YAICS1B - Analog I/O Module

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Part Number: IS220YAICS1B
Manufacturer: General Electric
Series: Mark VIeS
Product Type: Analog I/O Module
Number of channels: 12 channels
Input Converter Resolution: 16-bit ADC
Input span: 1 - 5 V dc
Generator current inputs: 0 to 5 A
Analog inputs Current inputs: 4-20 mA
Analog output current: 0-20 mA
Technology: Surface mount
Size: 15.9 cm high x 17.8 cm
Operating Temperature: -30 to +65°C
Frequency: 50 or 60 Hz
Repair: 3-7 Day
Availability: In Stock
Weight: 2 lbs
Country of Origin: United States
Manual: GEH-6855


IS220YAICS1B is an Analog I/O Module Manufactured and designed by General Electric as part of the Mark VIeS Series used in GE Distributed Turbine Control Systems. The Analog I/O pack (IS420YAICS1B) provides the electrical interface between one or two I/O Ethernet networks and an analog I/O terminal board. The YAIC contains a common processor board and an acquisition board specific to the analog input function. The I/O pack is capable of handling up to 10 analog inputs, the first eight of which can be configured as ±5 V or ±10 V inputs, or 4-20 mA current loop inputs. The last two inputs can be configured as ±1 mA or 4-20 mA current inputs. The load terminal resistors for current loop inputs are located on the terminal board and voltage is sensed across these resistors by the YAIC. The I/O pack also includes support for two 0-20 mA current loop outputs. The I/O pack receives or sends data through dual RJ-45 Ethernet connectors to the controller and has a three-pin connector to power it on. Output is through a DC-37 pin connector that connects directly with the associated terminal board connector. Visual diagnostics are provided through indicator LEDs.


The YAIC accepts input voltage signals from the terminal board for all 10 input channels. The analog input section consists of an analog multiplexer block, several gain and scaling selections, and a 16-bit analog-to-digital converter (ADC). The terminal board provides a 250 Ω burden resistor when configured for current inputs yielding a 5 V signal at 20 mA. These analog input signals are first passed through a passive, low-pass filter network with a pole at 75.15 Hz. Voltage signal feedback from the analog output circuits and calibration voltages are also sensed by the YAIC analog input section.

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What is an Analog I/O module?

An Analog I/O module is a device used in automation and control systems to interface with analog signals, such as voltage or current, from sensors or actuators.

What is the difference between Analog and Digital I/O modules?

Analog I/O modules deal with continuous signals that can have an infinite number of values within a certain range, whereas Digital I/O modules handle discrete signals that have only two possible states, typically represented as high (1) or low (0).

What types of signals can Analog I/O modules handle?

Analog I/O modules can handle various types of signals, including voltage, current, resistance, temperature, pressure, and many others.