IS220PPRFH1B, REV B - PROFIBUS Master Gateway I/O Module

TECHNICAL SPECIFICATIONS:

Part Number: IS220PPRFH1B, REV B
Manufacturer: General Electric (GE)
Series: Speedtronic Mark VIe
Functional Acronym: PPRF
Product Type: PROFIBUS Master Gateway I/O Module / Pack
Hardware Revision: REV B
Processor Core: High-performance processor board shared with distributed Mark VIe I/O modules
Communication Module: Onboard Hilscher GmbH COM-C PROFIBUS communication interface
PROFIBUS Master Type: DPV0 Class 1 Master
PROFIBUS Connection: DE-9 D-sub RS-485 interface receptacle connector
Supported Slave Capacity: Up to 125 PROFIBUS slave devices
Data Payload Capacity: 244 bytes of inputs and outputs per slave device
Transmission Rates: 9.6 kbps Minimum to 12 Mbps Maximum continuous baud rate
Redundancy Configurations: Simplex (single I/O pack) and Dual Hot-Backup topology options
Network Interfacing: Dual 10Base-T/100Base-TX RJ-45 Ethernet ports (IONet links)
Nominal Input Voltage: 28 V DC nominal supply voltage
Maximum Input Current: 0.18 A DC maximum current draw
Ambient Temperature Rating: -20°C to +55°C (-4°F to +131°F) continuous
Hazardous Location Certifications: ATEX Zone 2, Group IIC; Class I, Division 2, Groups A, B, C, D
Terminal Board Compatibility: Mounts directly onto the PROFIBUS Gateway Terminal Board
Repair Lead Time: 3–5 Business Days
Availability: In Stock / Repair & Exchange Available
Country of Origin: United States
Manual: GEH-6721_Vol_II_BP

FUNCTIONAL DESCRIPTION OF IS220PPRFH1B, REV B:

The IS220PPRFH1B, REV B is a PROFIBUS Master Gateway I/O Module designed and manufactured by General Electric specifically for the Distributed Mark VIe turbine control architecture. The PROFIBUS Master Gateway (PPRF) I/O pack is a PROFIBUS DP-V0 or DP-V1, Class 1 Master, that maps I/O from PROFIBUS slave devices to Mark VIe controllers on the IONet. The I/O pack contains a BPPx processor board 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 Kbps to 12 Mbps and up to 124 slaves with up to 244 bytes of inputs and outputs per slave. The PROFIBUS Master Gateway Terminal board (SPIDG1A) is used to mount the I/O pack and to supply an electronic ID. Its only connection is the interface to the I/O pack itself, as the PROFIBUS connection is made to the DE-9 D-sub receptacle connector exposed on the side of the I/O pack. Visual diagnostics are provided through indicator LEDs on the I/O pack.

CORE PROCESSOR & REVISION B STABILITY:

The hardware layout consists of a standard Mark VIe distributed processor board coupled directly to a specialized acquisition carrier board. The acquisition board is equipped with a high-reliability COM-C communication module derived from Siemens ASPC2 technology. The Revision B (REV B) iteration enhances the platform's diagnostic trace logging and internal sub-rail power distribution sequencing, enabling stable, low-jitter processing of network tokens during extended continuous run-time scenarios.

PROFIBUS DP NETWORK CAPACITY:

External serial networking is handled through a side-facing, heavy-duty DE-9 D-sub RS-485 interface receptacle. As a Class 1 Master, the PPRF can command up to 125 independent slave nodes across the physical network loop. It manages cyclic input/output data exchanges, slave configuration matrices, and diagnostic polling routines at field-bus transmission rates stretching from a baseline of 9.6 kbps up to a maximum data rate of 12 Mbps.

CONTROL AND DATA FLOW BOUNDARIES:

Data traffic between the IS220PPRFH1B, REV B, and the primary turbine controller is strictly categorized into two decoupled paths:

• Fixed I/O: Handled via hardcoded firmware constraints to continuously track internal unit health variables common to all Mark VIe packs, including module temperature statistics (IOPackTmpr) and advanced software diagnostic logs (L3DIAG).
• PROFIBUS I/O: Dynamically defined and scaled using the hardware configurations designated in the application layer, facilitating raw process loops (such as analog feedback and discrete valve control states) with a recommended functional throughput frame rate target of 40 ms.

INSTALLATION:

• Directly plug the PPRFH1B, REV B, into the terminal board connector. For HotBackup configurations, repeat steps 1 and 2 with a second SPID and PPRF.
• Mechanically secure the PPRF(s) using the threaded inserts adjacent to the Ethernet ports. The inserts connect to a mounting bracket specific to the terminal board type. The bracket should be adjusted so there is no right-angle force applied to the DC-37 pin connector between the I/O pack and the terminal board. This adjustment is required once during the service life of the product.
• Plug in one or two Ethernet cables, depending on the system configuration. The pack operates over either port. If dual connections are used, standard practice is to hook ENET1 to the network associated with the R controller; however, the PPRF is not sensitive to Ethernet connections and will negotiate proper operation over either port.
• Connect and secure the PROFIBUS cable into the DE-9 D-sub receptacle connector. As per PROFIBUS requirements, the PROFIBUS Network must be terminated on each end.
• Apply power to the connector on the side of the I/O pack(s). It is not necessary to insert the connector with power removed from the cable. The PPRF has inherent soft-start capability that controls current inrush on the power application.
• Use the ToolboxST application to add and configure the I/O pack(s) and the PROFIBUS network.

WHY PARTNER WITH WORLD OF CONTROLS:

World of Controls provides the industry's most dependable logistics and technical infrastructure for critical turbine control networks. We maintain an extensive inventory of genuine OEM replacement parts for GE Distributed control setups, minimizing operational downtime during emergency outages. Every item, from certified unused surplus to fully rebuilt industrial components, is subjected to strict simulation profiling in our advanced electronics lab and is supplied with a comprehensive product warranty. Our global engineering support network operates 24/7 to deliver troubleshooting advice, component replacement guidance, and component testing evaluations. Contact the WOC sales team directly via phone or email for current pricing, hardware availability, or repair quotes.

FREQUENTLY ASKED QUESTIONS:

What is the GE IS220PPRFH1B, REV B?

The IS220PPRFH1B, REV B, is a PROFIBUS Master Gateway I/O Module manufactured by General Electric for its Mark VIe turbine control platform. It is a specialized, distributed communication module designed to bridge data streams between third-party PROFIBUS DP field networks and the internal Ethernet-based input/output network (IONet) of the turbine control system.

What is the primary function of the GE IS220PPRFH1B, REV B?

The IS220PPRFH1B, REV B, is a PROFIBUS Master Gateway I/O Module belonging to the Mark VIe turbine control series. It functions as a DPV0 Class 1 Master gateway that maps data and establishes real-time, cyclic communication between third-party PROFIBUS slave devices and the primary Mark VIe controllers via IONet.

What field bus protocols and data rates are supported by this module?

The unit features a side-exposed DE-9 D-sub RS-485 receptacle driving PROFIBUS DP (Decentralized Periphery) protocol. It supports up to 125 active slave devices, handling up to 244 bytes of inputs and outputs per slave across adjustable transmission rates spanning from 9.6 kbps to 12 Mbps.

How does the Hot-Backup Redundancy option operate on the PPRF module?

In a hot-backup configuration, two identical PPRF modules are deployed on the network loop. One module functions as the active master, managing all real-time cyclic traffic and data mapping with downstream slaves. The second module remains in a passive standby state, constantly monitoring the health of the primary gateway and immediately assuming network control if the active module drops offline.

What configuration step happens when the module completes its internal soft-start routine?

When a nominal 28 V DC is supplied, the soft-start circuit stages the internal voltage rails. Once the onboard microprocessor finishes its self-test routines, the firmware interrogates the electronic ID chip inside the underlying terminal board to verify that the application code, hardware variant, and revision parameters match precisely before allowing data transfers.

Can the IS220PPRFH1B, REV B handle DPV1 messaging streams?

No. While the module's integrated Hilscher COM-C communication processor possesses underlying hardware support for DPV1 features, the integrated GE factory firmware constraints restrict the runtime capability strictly to fundamental DPV0 functions, including device configuration, cyclic I/O data mapping, and standard PROFIBUS diagnostic routines.

What front-panel diagnostic indications are available on the REV B module?

The faceplate features several high-visibility diagnostic status LEDs, including dedicated indicators for Standby/Active loop selection, CommErr/CommOK tracking, Not Rdy/System Run health, and separate status lamps for the ENET 1 and ENET 2 IONet communication ports.