GE IS220PDOAH1A 336A4940CSP2 | Mark VIe 12-Relay I/O

Description

• Model & Brand: GE General Electric IS220PDOAH1A
• GE Application / Reference: 336A4940CSP2
• Series: Mark VIe Distributed I/O
• Part Type: PDOA Discrete Output I/O Pack
• Output Configuration: 12 relay output channels
• Primary Interface: Compatible TRLY-series terminal boards
• Power Input: 28 VDC nominal
• Maximum Input Current: 0.71 A in the certified configuration
• Communication: 2 × RJ45 Ethernet ports
• Field Connection: High-density interface to compatible TRLY terminal board
• Physical Dimensions: Approximately 82.6 H × 41.9 W × 121.4 D mm
• Estimated Shipping Weight: Approximately 0.45 kg net; use actual packaged weight for freight calculation
• Operating Temperature: Up to +70°C in the certified hazardous-location configuration
• PCB Protection: Conformal-coated electronics
• What’s in the Box: IS220PDOAH1A I/O pack; ESD shielding and protective packaging; TRLY terminal board, cables, mounting hardware, and manuals only when specifically listed on the PO
• Handling Class: ESD-sensitive active I/O electronics; protect RJ45 ports, field connector, housing, and mounting hardware

GE’s certification documentation explicitly identifies IS220PDOAH1A as a Mark VIe Control Discrete Output Module and specifies its use with IS200TRLYH2E, IS200TRLYH3E, IS200TRLYH1F, and IS200TRLYH2F terminal boards. The certified electrical data lists 28 VDC, 0.71 A maximum input for this arrangement.

Product Introduction

Compliance Hook

The IS220PDOAH1A sits directly in the Mark VIe discrete-output signal chain, driving field relays and other discrete actuators through a compatible TRLY terminal board. Because GE certification is tied to specific terminal-board combinations and defined enclosure conditions, substituting a visually similar I/O pack without checking the complete assembly can create a compliance problem as well as an engineering one.

For hazardous-location installations, the distinction is especially important. Current certification records identify the module for defined ATEX Zone 2 / IIC / T4 Gc and Class I, Division 2 applications when the specified terminal boards, enclosure, wiring, and installation conditions are maintained. That certification should stay attached to the complete approved installation record—not simply copied onto the loose PCB (critical for audit control).

Core Technical Specifications

GE’s current type-examination material gives the 28 VDC / 0.71 A maximum electrical input for IS220PDOAH1A with the specified TRLY boards. Independent technical records provide the compact dimensions and 0.45 kg weight.

GE IS220PDOAH1A 336A4940CSP2

🚨 Global Compliance & Industry Certifications

• CE Mark: Mark VIe conformity documentation exists at the system/equipment level. Do not assume standalone CE approval for the loose unless the exact declaration covers the module.
• UL/cUL: Use only certificate evidence applicable to the exact module, terminal-board combination, and installation arrangement.
• ATEX: GE certification identifies for defined ATEX Zone 2, Group IIC, T4 Gc applications when used with the specified TRLY boards and installation conditions.
• Class I, Division 2: The certified configuration is identified for Groups A, B, C, and D. This matters because the equipment must not become an ignition source under the defined hazardous-location conditions.
• IP54 Installation Requirement: One current certification-oriented technical record states that the hazardous-location installation requires an IP54 enclosure with tool or key access. The enclosure requirement belongs to the certified installation, not the uninstalled module.
• IECEx: Do not claim IECEx certification without an exact certificate covering this hardware and the intended installation.
• Marine / DNV GL: No exact DNV GL certificate was verified in the reviewed material.

Verify specific lot certifications with OEM.

🚨 Long-Term Storage & Asset Preservation Guide

Keep the in its original ESD shielding bag. The two RJ45 ports and the field-side connector are easy points for contamination and mechanical damage. Use connector caps where supplied, and never stack the module with its mating interface bearing the load.

Control warehouse humidity below 60% RH where practical. Conformal coating protects the board surface, but connector contacts and exposed metal hardware remain vulnerable to oxidation. Avoid condensation cycles and storage next to turbine washdown or steam sources.

Preserve the terminal-board pairing in the inventory record. The certified configuration specifies particular TRLY terminal boards. Record the installed terminal-board model alongside the PDOA serial number so the spare is not later treated as universally interchangeable.

Do not apply a generic capacitor-reforming interval. No exact GE instruction establishing a fixed reforming schedule for this I/O pack was verified. Controlled visual inspection and powered functional testing are the appropriate release gates.

Physical Installation Prerequisites

Mount the only with the approved Mark VIe TRLY terminal-board arrangement. GE certification specifically names IS200TRLYH2E, IS200TRLYH3E, IS200TRLYH1F, and IS200TRLYH2F as compatible terminal boards for this discrete-output module.

The reported module envelope is approximately 82.6 × 41.9 × 121.4 mm. Verify the complete installed assembly before finalizing cabinet drawings because clearance must also accommodate the terminal board, Ethernet cables, field wiring, and service access.

For hazardous-location service, follow the certified enclosure conditions. Current certification-oriented records specify an IP54 minimum enclosure with controlled tool/key access. This prevents the environmental and ignition-protection assumptions from being broken during field maintenance.

No universal 50 mm above/below clearance was established for the standalone PDOA. Do not place an arbitrary value in the engineering drawing. Follow the complete Mark VIe cabinet thermal and mechanical design, leaving adequate airflow and room for connector engagement.

Grounding and bonding must follow the Mark VIe installation documentation. Route discrete-output wiring away from high-energy switching circuits where the original cabinet design requires segregation.

Before installation, inspect the field connector and the mating TRLY interface. Never force the I/O pack into position; misalignment can damage connector contacts and create multiple output faults.

Buyer’s FAQ — Logistics & Compliance Focus

Q1. What HS tariff code should be used for GE 336A4940CSP2?
Do not use a universal tariff code based only on the part number. The correct classification depends on the importing country’s tariff schedule and customs treatment of a dedicated industrial I/O pack. A supplier may classify it under an electrical-control parts heading, but the destination-country customs broker should validate the final HS code using the description “GE Mark VIe 12-channel discrete output I/O pack, .”

Q2. What about Country of Origin?
Do not infer COO from the GE brand or warehouse location. Obtain a shipment-specific COO declaration tied to the actual serial number or lot. Keep that evidence with the commercial invoice and packing list (especially important when preferential duty treatment is being claimed).

Q3. Should I insure the shipment even though the module weighs only about 0.45 kg?
Yes. A compact I/O pack can have a much higher economic exposure when it supports critical turbine output functions. Record the serial number, actual gross weight, package dimensions, declared value, condition, and pre-shipment photographs before carrier handoff.

Q4. Does a New Original include the latest firmware pre-loaded?
Do not assume that an unused inventory unit contains the newest firmware revision. The PDOA is an active Mark VIe I/O pack with onboard processing, and firmware compatibility belongs to the complete Mark VIe software and I/O architecture. Before commissioning, verify the installed system version and the I/O pack firmware revision.

Q5. What is the most important compliance check before installation in a hazardous area?
Match the + approved TRLY terminal board + certified enclosure + wiring conditions as one installation package. GE’s certification explicitly ties the PDOA to specific TRLY boards, while the hazardous-location installation requirements include the enclosure conditions. A loose module certification statement is not sufficient evidence by itself.