GE Mark VIe IS420UCPAH2A UCPA Controller

IS420UCPAH2A-C UCPA Controller Versions

Part Number:IS420UCPAH2A

Manufacturer: GE

Series: Mark VIe

Function:  Integral I/O Controller Module

Processor: Freescale 3308 processor, 332 MHz, (BPPC-based)

Country of Manufacture: USA

Manual: GEI100719

The Mark VIe UCPA controller contains the following components

• IS400BPPCH2A processor board
• IS400STWCH1A base I/O board
• IS400WEXPH1A expansion I/O board (included with UCPAH2A)

The IS420UCPAH1A includes the IS400STWCH1A (base I/O board) and the BPPCH2A processor board. 

It provides the following inputs and outputs:

• Two Hall Effect Pulse Inputs
• Two Analog Inputs (AI)
• Four Digital Inputs or Outputs with feedback (DIO)

The IS420UCPAH2A also includes the IS400WEXPH1A expansion I/O board. The WEXP provides the following additional I/O:

• Six AIs (for a total of 8)
• Two Analog Outputs
• Four DIOs (for a total of 8)

     The controller is contained in a single module that mounts directly to the panel sheet metal. It is base-mounted and has integrated shield ties. Use #6_32 screws for mounting. The bottom part of the module is cast aluminum and the top portion is plastic. Provide approximately one inch of space around the UCPA within the panel for airflow and connection to shield ties.

     The controller runs software specific to its application. The application code (control logic) is made up of function blocks configured with the ToolboxST application. From the ToolboxST Block Diagram Editor, right-click the block diagram and select Block Help for more information. Minor modifications to the control software may be made online. Variables are connected to block diagrams. The logic is then downloaded to the controller from the ToolboxST application.

     The UCPA uses the IS400BPPCH2A processor version, which passes all connections through the internal STWC I/O board. It runs at nominal 12 V dc (9 to 16), and accepts a serial interface. The BPPC processor board provides the following features: 

• High-speed processor with RAM and flash memory 

• Two fully independent 10/100 Ethernet ports with connectors 

• Hardware watchdog timer and reset circuit 

• Internal temperature sensor 

• Status-indication LEDs 

• Electronic ID and the ability to read IDs on other boards 

• Local CPU power supplies 

      At startup, the processor reads board ID information to ensure the correct matching of UCPA internal circuit boards. With a good match, the processor attempts to establish Ethernet communications, starting with request of a network address. The address request uses the industry standard dynamic host configuration protocol (DHCP). 

     After Ethernet initialization, the processor programs the on-board logic, runs the application, and enables the acquisition board to begin operation. The processor application code contains all the logic necessary to allow the UCPA controller and I/O module to operate with or without IONet to external I/O packs. The Ethernet ports on the processor auto-negotiate between 10 and 100 Mbps speed, and between half-duplex and full-duplex operation.

1. Lock out and tag out the equipment. 

2. Disconnect the incoming 12 V dc power plug. 

3. Disconnect the Ethernet cables. 

4. Remove the terminal wiring. 

5. Remove the screws holding the controller in place. 

6. Remove the old controller from the panel. 

7. If installing a new UCPAH2A that has the WEXP, remove the plastic cover to set the jumpers if needed. Refer to the controller Installation section for more information. 

8. Reinstall the new controller by reversing steps 6 through 1. 

9. Configure the IP address of the new controller. 

10. Download the firmware and application to the new controller. 

11. From the ToolboxST application, verify the status of the controller. It should be in the controlling state with no warnings or errors.

Ms Josslyn Yin

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