IS420PPNGH1A - PROFINET Gateway Module

SPECIFICATIONS

Part Number: IS420PPNGH1A
Manufacturer: General Electric
Function: Ethernet Switch
Manual: GEH-6725
Operating Temperature: 22 to 149°F
Processor Type: 1066 MHz EP80579 Intel
OS: QNX Neutrino
Memory: 256 DDR2 SDRAM
Availability: In Stock
Series: Mark VIe
Country of Manufacture: United States (USA)

Functional Description

IS420PPNGH1A is a PROFINET Gateway Module designed and developed by GE. It is a part of GE Mark VIe control system. It routes I/O from PROFINET Slave devices to the IONet's Mark VIe controller. The board connects the Mark VIe controller to a high-speed PROFINET LAN, allowing it to communicate with PROFINET I/O devices. The PPNG provides the functions, services, and protocols required for PROFINET RT Version 2.2 I/O controller certification, with 100 Mbps Ethernet interfaces. PPNG, in conjunction with the ToolboxST application, functions as an I/O pack, allowing the addition of PROFINET I/O devices and smart sensors to a typical Mark VIe control system architecture.

Features

• Each Mark VIe controller can support multiple PPNGs.
• PPNG supports star (connect to switch), line (connect directly to I/O device), and mixed network topologies on the PROFINET network.
• PROFINET I/O device configuration
• Asynchronous exchange of input and output data from PROFINET I/O devices on a cyclical basis.
• Displays input and output values via the ToolboxST application
• Displays diagnostic messages from devices to help resolve issues the PROFINET I/O devices are configured using the ToolboxST application. Any change in these devices necessitates downloading a new configuration to the PPNG and restarting the module. A local variable can be connected to a specific PROFINET I/O point and used in the Mark VIe controller application logic.

Product Attributes

• One RJ-45 shielded twisted pair 10/100 Mbps PROFINET communication port
• Two RJ-45 shielded twisted pair 10/100 Mbps IONet communication ports (ENET1, ENET2)
• Single module
• Built-in power supply
• No jumper settings required
• No battery or fan
• Flash memory can be easily updated
• Status LEDs for Ethernet, power, and processor
• Internal clock synchronized with the Mark VIe controller for time-stamped diagnostics entries
• Uses the same ControlST configuration tools across Mark controls platforms

Dataflow between PPNG and Mark VIe Controller

• There are two types of dataflow between the PPNG and the controller: fixed I/O and PROFINET I/O. The fixed I/O includes the inputs shared by all I/O packs, such as L3DIAG and IOPackTmpr, but no outputs.
• The PPNG firmware pre-defines the set of fixed I/O. PROFINET I/O is defined as data exchanged with PROFINET slave devices and varies depending on the hardware configuration specified by the application. At standard controller frame rates, the PPNG exchanges data with the Mark VIe controller (10 ms, 20 ms, 40 ms and so forth).
• The actual PROFINET data size is determined by the data sent by PROFINET I/O devices.
• The PPNG firmware limits this to 8 KB of data in either direction. The ToolboxST application includes rules for determining the maximum allowable amount of PROFINET data in terms of Ethernet packets. For a summary of performance limits in terms of the number of data types and configured PPNG data rates, see the section Compatibility.

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FREQUENTLY ASKED QUESTIONS

What is IS420PPNGH1A?
It is a PROFINET Gateway Module designed and developed by GE

What network topologies are supported by PPNG?
It supports star (connect to switch), line (connect directly to I/O device), and mixed network topologies on the PROFINET network.

How are PROFINET I/O devices configured?
The PROFINET I/O devices are configured using the ToolboxST application, and any change in these devices necessitates downloading a new configuration to the PPNG and restarting the module.

How can input and output values be displayed?
Input and output values can be displayed via the ToolboxST application.

How are diagnostic messages displayed?
Diagnostic messages from devices can be displayed via the ToolboxST application to help resolve issues.

Can a local variable be connected to a specific PROFINET I/O point?
Yes, a local variable can be connected to a specific PROFINET I/O point and used in the Mark VIe controller application logic.