IS200JPDVG1A - Isolated Digital Input/Output Module

SPECIFICATIONS:

Part Number: IS200JPDVG1A
Manufacturer: General Electric
Series: Mark VIe
Product Type: Isolated Digital Input/Output Module
Number of channels: RS-485
Input span: 1 - 5 V dc
Outputs: 24 V dc
Generator current inputs: 0 to 5 A
Analog inputs Current inputs: 4-20 mA
Analog output current: 0-20 mA
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
Country of Origin: United States
Manual: GEH-6800_Vol_II

FUNCTIONAL DESCRIPTION:

IS200JPDVG1A is an Isolated Digital Input/Output Module Manufactured and designed by General Electric as part of the Mark VIe Series used in GE Distributed Turbine Control Systems. The ARCNET I/O pack (PIOA) provides an interface for the excitation control. The I/O pack mounts to the JPDV terminal board through a 37-pin connector. The LAN connections are made to the JPDV. System input to the I/O pack is through dual RJ-45 Ethernet connectors and a 3-pin power input. Visual diagnostics are provided through indicator LEDs. Excitation control ARCNET uses a single PIOA in the core for simplex applications or a single PIOA to and cores for redundant applications.

INSTALLATION:

• The PIOA I/O pack only mounts to the JPDV terminal board. JPDV has two DC-37 pin connectors. For an ARCNET interface to the excitation control, the PIOA mounts to the JA1 connector.

• Plug the PIOA I/O pack into the JA1 terminal board connector for an ARCNET excitation control interface.

• Mechanically secure the I/O pack 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 pin 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 PIOA 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.

• Apply power to the PIOA by plugging in the connector on the side of the I/O 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.

OPERATION:

The I/O interface acquisition board (BIOA) has a UART to interface the processor to the RS-485 (no longer used), an ARCNET controller chip to interface the processor to the excitation control DLAN+ LAN, and a programmed complex programmable logic device (CPLD) to provide the glue logic for the hardware interfaces. The serial communication LEDs (ARx, ATx, Rx, Tx) are on the BIOA board but driven by the processor.

POWER MANAGEMENT:

The I/O pack includes power management in the 28 V input circuit. The management function provides a soft start to control current inrush during power application. After applying power, the circuit provides a fast current limit function to prevent an I/O pack or terminal board failure from propagating back onto the 28 V power system. When power is present and working properly, the green PWR indicator will light. If the current limit function operates, the indicator will be out until the problem is cleared.

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FREQUENTLY ASKED QUESTIONS:

What are Digital Input/Output (I/O) modules used for in GE Mark VIe systems?

Digital I/O modules are used to interface with external field devices such as sensors, actuators, and switches. These modules process digital signals (binary on/off) for controlling and monitoring turbine operations.

What is the role of Digital I/O modules in turbine control systems?

They handle the connection between the control system and various field equipment, ensuring the system can receive inputs from sensors and send control outputs to devices like solenoids or relays.

Are GE Mark VIe modules compatible with other GE turbine control systems?

While the modules are designed specifically for the Mark VIe system, they may be adapted for use in other GE systems like Mark V or Mark IV with the right interfaces or modifications. Always check the specific module’s compatibility.