IS200YAICS1A - Analog I/O Pack

SPECIFICATIONS:

Part Number: IS200YAICS1A
Manufacturer: General Electric
Series: VIeS
Number of Channels: 12
AI Types Supported: ±5 V dc
Input Converter Resolution: 16-bit ADC
Product Type: Analog I/O Pack
Addressing Range: 16 and 32-bits
I/O Scan Time: 160 ms
Common Mode Voltage Range: ±5 V
Output Converter: 14-bit
Output Load: 800 Ohm
Power Consumption: 5.3 watts
Microprocessor: Intel Celeron running at 300MHz
Technology: Surface Mount
Dimensions: 8.26 cm high x 4.19 cm
Operating temperature: 40 to 70 °C
Repair: 3-7 Day
Availability: In Stock
Country of Origin: United States

FUNCTIONAL DESCRIPTION:

IS200YAICS1A is an Analog I/O Pack 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.

YAIC INSTALLATION:

• Securely mount the desired terminal board.
• Directly plug one YAIC I/O pack for simplex or three YAIC I/O packs for TMR into the terminal board connectors.
• Mechanically secure the packs using the threaded studs adjacent to the Ethernet ports. The studs slide into a mounting bracket specific to the terminal board type. The bracket location should be adjusted such that there is no right-angle force applied to the DC-37 connector between the pack and the terminal board. The adjustment should only be required once in the life of the product.
• Plug in one or two Ethernet cables depending on the system configuration. The pack will operate over either port. If dual connections are used, the standard practice is to connect ENET1 to the network associated with the R controller. These choices are also defined in the ToolboxST configuration.
• Apply power to the pack by plugging in the connector on the side of the pack. It is not necessary to insert this connector with the power removed from the cable as the I/O pack has inherent soft-start capability that controls the current inrush on the power application.
• Configure the I/O pack as necessary using the ToolboxST application.

YAIC OPERATION:

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). Inputs 1–8 can be individually configured as ±5 V ±10 V, or 4–20 mA scale signals, depending on the input configuration. Inputs 9–10 can only be configured for ±1 mA or 4-20 mA. 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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FREQUENTLY ASKED QUESTIONS:

What is the purpose of the Analog I/O Pack in a turbine control system?

The primary purpose of the Analog I/O Pack is to interface between the physical world (sensors, actuators, etc.) and the digital control system. It converts analog signals such as voltage or current into digital signals that can be processed by the control system, enabling precise monitoring and control of various parameters within the turbine system.

What types of signals can the Analog I/O Pack handle?

An Analog I/O Pack typically handles analog signals such as voltage (0-10V), current (4-20mA), or resistance, depending on the specific requirements of the turbine control system. It can also generate analog output signals to control actuators or other devices.

How does the Analog I/O Pack improve turbine control system performance?

By accurately converting analog signals to digital format, the Analog I/O Pack enhances the precision and reliability of monitoring and controlling various parameters within the turbine system. This leads to improved efficiency, safety, and overall performance of the turbine.