IS220PPDAH1B, REV E - Power Distribution System Feedback I/O Module

TECHNICAL SPECIFICATIONS:

Manufacturer: General Electric
Series: Mark VIe
Product Type: Power Distribution System Feedback I/O Module
Application: Mark VIe Modular Power Distribution System
Input Voltage Sensing: Dual 28 VDC
Input Power Supply: Nominal 28 VDC
Current Feedback Sensing: Multi-Channel Branch Current Feedback
Fuse Monitoring: Branch Circuit Fuse Health Monitoring
Processor Core: Onboard High-Speed Microprocessor
Communication Interface: Dual RJ-45 Ethernet Ports
IONet Interface Speed: 10/100 Mbps
Terminal Board Connection: 28-Pin Connector
Input Converter Resolution: 16-Bit Analog-to-Digital Converter
Compatible Power Boards: JPDS, JPDM
Compatible Feedback Boards: JPDB, JPDE, JPDF
Maximum Power Distribution Board Inputs: Up to 6
Diagnostic Functions: Voltage Rail Supervision
Power Consumption: 5.2 W Typical / 7.2 W Maximum
Operating Temperature: -30°C to +65°C (-22°F to +149°F)
Storage Temperature: -40°C to +85°C (-40°F to +185°F)
Relative Humidity: 5% to 95% (Non-Condensing)
Conformal Coating: Enhanced Industrial Acrylic PCB Protection
Technology: Surface Mount
Mounting Style: Direct Terminal Board Plug-In with Latching Fasteners
Dimensions: 8.26 cm H × 4.19 cm W × 12.1 cm
Weight: Approximately 0.45 kg (0.99 lbs)
Availability: In Stock
Country of Origin: United States
Manual: GEH-6721D

FUNCTIONAL DESCRIPTION FOR IS220PPDAH1B, REV E:

The IS220PPDAH1B, REV E is a Power Distribution System Feedback I/O Module designed and manufactured by General Electric as part of the Distributed Mark VIe control systems. The PPDA I/O pack accepts inputs from up to six different power distribution boards. It conditions the board feedback signals and provides a dual-redundant Ethernet interface to the controllers. PPDA feedback is structured to be plug-and-play and uses electronic IDs to determine the power distribution boards wired into it. This information is then used to populate the IONet output, providing correct feedback from connected boards. The PPDA I/O pack is hosted by the JPDS or JPDM 28 V DC control power boards on the Mark VIe Modular Power Distribution (PDM) system. It is compatible with the feedback signals created by JPDB, JPDE, and JPDF.

INSTALLATION:

• Directly plug one PPDA I/O pack for simplex or three PPDA I/O packs for TMR into the terminal board connectors.

• Mechanically secure the packs 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 pack 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 pack by plugging in the connector on the side of the 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 current inrush on power application.

• Connect ribbon cables from connector J2 on JPDS or JPDM to daisy chain other core boards feeding information to PPDA.

CONFIGURATION:

The PPDA I/O pack uses configuration values for operation with desired PDM boards. The ToolboxST application provides the correct options for the version of PDM hardware in use in a given system. A summary of the types of configurations encountered is as follows:

JPDB: The nominal voltage magnitude is selected, the magnitude tolerance specified, and a correction factor for neutral voltage is provided for each of the two AC buses. Each of the switched branch circuit fuse statuses can be turned on or off.

JPDC: The PPDA needs to know if P28R, S, and T can be present in a system. If it is indicated that one is not present, the low voltage diagnostics for that power bus can be turned off. For AC input, the nominal voltage magnitude is selected, the magnitude tolerance specified, and a correction factor for neutral voltage is provided for the ac bus. Each of the switched branch circuit fuse statuses can be turned on or off.

JPDG: P28 feedback and diagnostics can be turned on/off. Keeping them on is recommended. The 24/48 V bus magnitude and centering tolerance can be configured, and the diagnostic associated with switched branch circuit fuse status can be turned on or off.

WHY BUY FROM WOC

WOC maintains an extensive inventory of OEM replacement parts for GE Distributed Mark VIe control systems, enabling customers to source critical components quickly and minimize equipment downtime. We supply unused and professionally rebuilt boards and provide specialized repair and refurbishment services to restore faulty boards to reliable operating condition, backed by warranty coverage for added confidence. With an experienced technical team available 24/7, we provide responsive support for OEM components, replacements, and automation-related requirements. Whether you need pricing, availability, replacement parts, or technical assistance, our team is ready to provide fast, reliable, and personalized support to keep your control systems operating efficiently.

FREQUENTLY ASKED QUESTIONS:

What is GE IS220PPDAH1B, REV E?

The GE PPDAH1B, REV E is a Power Distribution System Feedback I/O Module used in GE Mark VIe Distributed Control Systems. It receives feedback signals from power distribution boards, processes them, and communicates the feedback to the Mark VIe controllers via a redundant Ethernet interface.

What causes channel-to-logic optical isolation failure on industrial control cards?

Optical isolation failures are caused by field wiring ground loops or high-voltage inductive surges exceeding the module's isolation rating. Continuous thermal cycling can also cause physical degradation of optocouplers over extended operational lifespans. Once broken down, transients pass into logic circuits, resulting in communication faults, erratic channel readings, or total card failure.

Why is output readback auditing critical for high-density analog output cards?

Output readback auditing measures the actual loop current present at field terminals and compares it to the CPU demand signal. Onboard diagnostics instantly catch wiring opens, high loop resistance, or damaged output drivers before process deviations occur. If an anomaly is detected, the card flags an alarm and forces the channel into a pre-configured safe state.

What are common diagnostic functions of the System Feedback I/O Module?

The PPDAH1B, REV E provides diagnostic supervision associated with power-distribution feedback and voltage rails. Depending on the connected PDM boards and configuration, diagnostics can include monitoring of voltage magnitude, voltage tolerances, bus conditions, and switched branch-circuit fuse status.