GE IS220PAICH2B | Original Mark VIe Analog I/O Pack

• Model & Brand: GE IS220PAICH2B
• Product Family: Mark VIe / Mark VIeS I/O
• Functional Type: PAIC Analog Input/Output Pack
• Part Type: Ethernet-based Analog I/O Pack
• Physical Dimensions: Approximately 12.2 × 8.2 × 6.0 cm according to secondary supplier data; use the actual packed assembly for final freight calculations.
• Estimated Net Weight: Approximately 0.38–0.50 kg
• Estimated Shipping Weight: Approximately 0.7–1.0 kg with ESD protection, cushioning, and export carton
• Power Input: Approximately 28 VDC nominal
• Input Channels: 10 analog inputs
• Output Channels: 2 analog outputs
• High-Current Output: 0–200 mA capability on Output 1
• Ethernet: 2 RJ-45 Ethernet ports
• Field Interface: DC-37 pin connector
• Compatible Terminal Board: TBAIH1C for full PAIC compatibility
• Typical Application: GE Mark VIe gas-turbine and industrial control systems
• What’s in the Box: IS220PAICH2B I/O pack unless the purchase order explicitly includes the terminal board, mounting hardware, Ethernet cables, or field wiring accessories.

GE documentation and Mark VIe hardware references identify the PAICH2B as the later replacement for the PAICH2A, with the H2B revision retaining the 200 mA output capability and using the updated BPPC processor board.

Product Introduction

The

GE IS220PAICH2B

Its 10 analog inputs and 2 analog outputs support multiple signal ranges, while the first output has additional circuitry for 0–200 mA operation. This makes the PAICH2B materially different from the PAICH1 family during replacement planning (especially where the actuator or solenoid circuit uses the higher-current output).

For brownfield assets, the H2B revision should be retained as part of the controlled part identity. The Mark VIe lifecycle notice identifies IS220PAICH2A → IS220PAICH2B as a hardware migration, and the H2B uses the BPPC processor architecture. GE documentation also identifies a specific terminal-board dependency: the PAIC achieves full compatibility with the H1C revision of the TBAI board.

Core Technical Specifications

The 16-bit input conversion, 14-bit output conversion, 5 ms normal scan time, dual Ethernet interface, and H2B 200 mA output capability are documented in Mark VIe technical material and current technical references.

Global Compliance & Industry Certifications

For the IS220PAICH2B, certification status should be controlled by the specific Mark VIe assembly, terminal-board combination, and installed application, not inferred from the GE catalog number alone.

• CE Mark: Applicable Mark VIe equipment may carry CE conformity for the relevant product configuration. Verify the declaration for the exact hardware generation.
• UL/cUL: Do not record the loose PAICH2B as UL/cUL Listed unless the corresponding GE certification documentation is available for the applicable assembly.
• ATEX / IECEx: The PAICH2B itself should not be classified as an intrinsically safe module. Hazardous-area suitability depends on the complete Mark VIe installation, field interfaces, barriers, enclosure, and project approvals.
• Marine / DNV: No standalone DNV approval was verified for the loose .
• EMC: Mark VIe hardware is designed for industrial EMC environments; the exact conformity record should be retained with the system documentation.
• Functional Safety: The standard PAICH2B is not interchangeable with the specialized safety-certified YAIC architecture merely because both provide analog I/O. GE documentation identifies separate Mark VIeS safety products.

The distinction between standard Mark VIe and Mark VIeS hardware matters during audits because a physically similar I/O pack can belong to a different certification architecture.

Verify specific lot certifications with OEM.

Long-Term Storage & Asset Preservation Guide

Keep the inside its original ESD shielding bag. The lower DC-37 connector, dual RJ-45 interfaces, and side power connector should remain capped and protected from mechanical impact. Do not store it loose in a metal drawer.

Maintain stable humidity below 60% RH where practical. The published operating range permits much higher non-condensing humidity, but long-term warehouse storage should use a controlled environment to limit connector oxidation and PCB contamination.

Record the hardware revision before commissioning. The H2B designation reflects a lifecycle transition from H2A, and the H2B uses a BPPC processor board. Keep the complete hardware identity with the warehouse record (do not reduce the asset description to “PAIC” or “IS220PAIC”).

Do not bend the mounting hardware during storage. The pack mates directly with the terminal-board interface, so damage to the threaded mounting studs or connector alignment can create a field installation problem even when the electronics themselves test correctly.

Physical Installation Prerequisites

The is an I/O pack that mounts directly onto a Mark VIe terminal board rather than a conventional rack card. The pack is mechanically secured using threaded studs adjacent to the Ethernet connectors.

Terminal-board compatibility: Verify the exact terminal-board revision before installation. The PAIC is specifically associated with the H1C TBAI revision for full compatibility; earlier TBAI revisions can generate a compatibility problem even though no physical damage results from an incorrect power-up.

Mechanical alignment: The mounting bracket should be adjusted so that no right-angle force is applied to the DC-37 connector. This is a small detail with a large service consequence—forced connector alignment can damage pins or create intermittent channel faults.

Power: Apply the specified DC supply through the dedicated 3-pin connector. The published operating range is approximately 18–32 VDC, with 28 VDC nominal. Verify the actual system power specification before energizing.

Ethernet: The provides ENET1 and ENET2. In redundant Ethernet arrangements, preserve the intended network assignment; do not swap controller-associated ports casually during maintenance.

Cooling: Maintain the Mark VIe cabinet’s designed airflow around the pack and terminal-board assembly. Do not impose an arbitrary 50 mm clearance when the original cabinet installation defines a different mechanical envelope.

Grounding and shielding: Follow the Mark VIe terminal-board grounding and shield arrangement. Do not substitute field-signal returns for protective-earth connections.

Buyer’s FAQ — Logistics & Compliance Focus

Q: What HS Tariff Code should be used for ?
A: A classification in HS 8538.90 may be considered because the is a module used with electrical control equipment. Some commercial listings use 85389091. Treat that as a reference only and validate the final national tariff code with the importing-country tariff schedule and customs broker.

Q: What Country of Origin should I declare?
A: Use the actual manufacturing origin supported by the physical label or GE traceability records. Some supplier listings report USA, but the warehouse/export country is not evidence of COO. Retain the nameplate photograph, serial information, COO declaration, invoice, and packing list together.

Q: Should I insure one for international transport?
A: For a production-critical Mark VIe turbine, yes. The pack is relatively small and typically under 0.5 kg, but its replacement value and downtime impact can greatly exceed its freight cost. Use ESD shielding, rigid cushioning around the mounting studs and DC-37 connector, tracking, and cargo insurance based on the declared replacement value.

Q: Does include the latest firmware pre-loaded?
A: Do not assume it. The H2B is a hardware revision using the BPPC processor board, and GE’s lifecycle documentation indicates that this hardware generation requires appropriate Mark VIe software support. In particular, GE references ControlST V04.03 or later for BPPC-based PAIC support in the relevant lifecycle material. Verify the installed ControlST version and I/O application configuration before commissioning rather than treating a replacement pack as universally plug-and-play.

Q: Can I substitute an IS220PAICH2A for H2B?
A: No automatic substitution should be made. GE’s lifecycle notice identifies IS220PAICH2A as obsolete and as the available replacement, but the H2B uses updated hardware and software requirements. Confirm the terminal-board revision, ControlST version, and application compatibility before making the change.