IS220PPRFH1B, REV C - PROFIBUS Master Gateway Module

SPECIFICATIONS:

Part Number: IS220PPRFH1B, REV C
Manufacturer: General Electric
Product Type: PROFIBUS Master Gateway Module
Function: I/O Module
Series: Mark VIe
Number of channels: 24
Operating temperature: -40 to +70°C
Size: 15.9 cm high x 17.8 cm
Input Filter: Hardware Filter, 4 ms
AC Voltage Rejection: 60 V rms
Availability: In Stock
Weight: 0.8kg
Repair: 3-7 Day
Country of Origin: USA
Manual: GEH-6721G

FUNCTIONAL DESCRIPTION:

IS220PPRFH1B, REV C is a PROFIBUS Master Gateway Module manufactured and designed by General Electric as part of the Mark VIe Series used in GE Distributed Turbine Control Systems. The PROFIBUS Master Gateway (PPRF) pack is a PROFIBUS DPV0, Class 1 master that maps I/O from PROFIBUS slave devices to Mark* VIe controllers on the I/O Ethernet. The module contains a processor board common to all Mark VIe distributed I/O modules and an acquisition carrier board fitted with a COM-C PROFIBUS communication module supplied by Hilscher GmbH. The COM-C module provides a PROFIBUS RS-485 interface through a DE-9 D-sub receptacle connector. It serves as a PROFIBUS DP master supporting transmission rates from 9.6 KBaud to 12 MBaud and up to 125 slaves with 244 bytes of inputs and outputs per slave. The PPRF supports the following redundancy options:

• Single I/O pack with single I/O Ethernet connection (no redundancy)
• Single I/O pack with dual I/O Ethernet connections
• Hot-backup I/O pack with dual I/O Ethernet connections

The dual I/O Ethernet connection configuration is common to other IO packs. However, in the hot-backup, two PPRFs are employed, one operating as the active PROFIBUS master communicating with slave devices, and the other operating in a passive, stand-by mode, ready to become the active master in the event of an active master failure.

COMPATIBILITY:

The PROFIBUS Master Gateway Terminal Board (SPIDG1A) mounts the PPRF and supplies an electronic ID. Its sole connection is to the PPRF, while the PROFIBUS interface is accessed via the DE-9 D-sub receptacle on the PPRF’s side. Indicator LEDs provide visual diagnostics, and an infrared port enables local diagnostic serial communication. Control mode refers to the number of I/O packs used in a signal path:

• Simplex uses one I/O pack with one or two network connections
• Hot-backup uses two I/O packs with two network connections each

INSTALLATION:

• Plug the PPRF into the terminal board connector. For hot-backup configurations, repeat with a second SPID and PPRF.
• Secure the packs using the threaded inserts near the Ethernet ports. Attach the inserts to a mounting bracket specific to the terminal board type, ensuring no right-angle force on the DC-37 pin connector. This adjustment is needed only once.
• Connect one or two Ethernet cables as required. The pack operates over either port. If using dual connections, the standard practice is to link ENET1 to the network with the R controller, though the PPRF will negotiate proper operation on any port.
• Connect and secure the PROFIBUS cable to the DE-9 D-sub receptacle, ensuring termination at both ends per PROFIBUS requirements.
• Apply power via the connector on the pack’s side. Power removal before insertion is unnecessary, as the PPRF’s soft-start feature manages current inrush.
• Use the ToolboxST* application to configure the PPRF and PROFIBUS as needed.

OPERATIONS:

The processor application code contains all the logic necessary to allow the pack to operate from one or two Ethernet inputs. When operated from two Ethernet inputs, both network paths are active all the time. A failure of either network will not result in any disturbance to the I/O pack operation, and the failure will be indicated through the working network connection. This arrangement is more tolerant of faults than a classic hot-backup system where the second port is only used after a primary port failure is detected. The Ethernet ports on the processor auto-negotiate between 10 MB/s and 100 MB/s speed, and between half-duplex and full-duplex operation.

• High-speed processor with RAM and flash memory
• Two fully independent 10/100 Ethernet ports with connectors
• Hardware watchdog timer and reset circuit
• Internal I/O pack temperature sensor
• Infrared serial communications port
• Status-indication LEDs
• Electronic ID and the ability to read IDs on other boards
• Substantial programmable logic supporting the acquisition board
• Input power connector with soft start/current limiter
• Local power supplies, including sequencing and monitoring

PROFIBUS GATEWAY HARDWARE:

The COM-C module requires a PROFIBUS configuration file that is created by the ToolboxST application. This file, specifying the DP master parameter set, is loaded from the ToolboxST application along with the other standard I/O pack configuration files, and, if changed, requires a PPRF reboot following the load. As is the case with the COM-C firmware file, the PROFIBUS configuration file is stored in COM-C flash and only downloaded from PPRF flash if necessary.

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FREQUENTLY ASKED QUESTIONS:

What is the function of the PROFIBUS Master Gateway Module?

The PROFIBUS Master Gateway Module facilitates communication between the control system and PROFIBUS devices by acting as a bridge. It ensures seamless data exchange and supports integration with automation systems. The module enables reliable and efficient operation of field devices in an industrial network.

How is the PPRF connected to the terminal board?

The PPRF is directly plugged into the terminal board connector. For hot-backup configurations, a second SPID and PPRF can be installed following the same process. The module is then secured using threaded inserts near the Ethernet ports, which connect to a mounting bracket designed for the specific terminal board type.

What are the Ethernet connection requirements for the module?

The module supports one or two Ethernet connections depending on the system configuration. It can operate over either port and if dual connections are used, the standard practice is to link ENET1 to the network associated with the R controller. However, the PPRF automatically negotiates proper operation on any available port.