GE IS200LSGIH1APR1 | Mark VIe LSGI I/O Pack

Description

Product Introduction

The IS200LSGIH1APR1 is the same basic module as the APR, but with a production tweak that addresses a long-standing field complaint. The “APR1” suffix adds a thermal pad under the output driver ICs that transfers heat to the backplane—a small hardware change that extends the 2 A continuous rating at elevated temperatures. If you’ve got a cabinet that runs hot and you’re driving solenoids at full current, this is the version that stays cooler.

The module has eight solenoid outputs, current monitoring per channel, overcurrent and open-circuit detection, and eight status relays. The thermal pad is the change—the output drivers run about 5 °C cooler at 2 A continuous. The rest is standard LSGI: 24 VDC outputs, 2 A continuous, 3 A inrush for 100 ms, 2,500 V isolation.

Key Technical Specifications

Quality Inspection Process (SOP Transparency)

The APR1 gets the same test regimen as the APR, plus a thermal stress test to verify the pad’s effectiveness.

Incoming Verification. OEM packing slip matched to GE’s serial database. We log the serial and photograph the anti-static bag before cutting. The holographic GE label gets a UV check. The PCB edge must read “–LSGIH1APR1” clearly.

Visual Inspection. Magnifying lamp, full board scan. The thermal pad on the output drivers is visually confirmed. The output drivers are inspected for proper soldering.

Live Functional Test. Mark VIe test rack with a DC source, load bank (2 A per channel), thermal imaging camera, and oscilloscope. ToolboxST v5.3 logs the data.

• Output test: 2 A continuous—measure voltage and current. 3 A inrush for 100 ms—verify.
• Current monitoring accuracy: Verify within ±2%.
• Fault detection: Overcurrent and open-circuit tests.
• Thermal performance: Run all outputs at 2 A at 60 °C ambient. Use thermal imaging to measure driver temperature—must be <80 °C.
• Status relay test: Contact resistance <0.1 Ω.
• Isolation test: 2,500 V RMS—no breakdown.
• 24-hour soak.

Electrical Parameters. Insulation resistance: 500 VDC via Megger MIT420, >20 MΩ. Ground continuity: <0.1 Ω.

Firmware Verification. Read the FPGA firmware via ToolboxST—verify the checksum.

Final QC & Packaging. The QC report includes current capability, monitoring accuracy, fault detection, thermal imaging data, isolation test, and a photo.

Field Replacement Pitfalls

Same as the APR, with one extra note about the thermal pad.

Thermal Pad—It Needs the Backplane. The pad transfers heat to the backplane. If the module isn’t fully seated, the pad doesn’t make contact. One site in Texas had an APR1 that ran hot—they hadn’t pushed it in all the way. The fix: ensure the module clicks into the backplane.

Inrush Current—3 A for 100 ms. Still the limit.

Open-Circuit Detection—Disable for Low-Current Loads. Threshold is about 50 mA. If your solenoid draws less than 50 mA, disable detection.

Current Monitoring—±2% accuracy. For fault detection, not precision control.

Grounding—Outputs share a common return. Use external isolation if needed.

ESD. I watched a tech handle a bare APR1 on a dry day—he discharged through the output terminal, and channel 4 was damaged. Strap up.

New Original vs. Refurbished: Why It Matters

The APR1 has the thermal pad—refurbishers can’t add this.

What “New Original (New Surplus)” means. This IS200LSGIH1APR1 came from GE’s factory with the thermal pad. The output drivers are fresh. We break the seal only for testing.

Refurbished risk in plain terms. A refurbisher may buy a standard APR, clean it, and sell it as an APR1. They won’t add the thermal pad. At high current, the APR1 runs 5 °C cooler. That’s the margin between running at spec and thermal foldback. I’ve tested refurbished “APR1” units that had no pad—they thermal-folded at 1.8 A. Failure rate on refurbished solenoid modules runs 5× higher than new.

Real cost of a refurbished failure. Output driver folds back—solenoid doesn’t get full current—turbine doesn’t start. Downtime—20,000. The refurbished module saved you 1,200. The failure cost you 16× that.

What we provide as proof. For every IS200LSGIH1APR1 we ship: a photo of the OEM packing slip, serial traceability to GE’s records, a full test report that includes current monitoring accuracy, fault detection timing, thermal imaging data, isolation test, and a sealed anti-static bag.

Pricing context. Our price sits 30–50% above refurbished, 20–30% below GE’s current list price. The delta covers our sourcing, our high-current and thermal testing, and a 12-month warranty.

Performance Benchmarks & Test Results

Data from our Mark VIe test rack (ambient 60 °C), thermal imaging camera, load bank, hi-pot tester.

• Output current: 2 A continuous—stable.
• Inrush: 3 A for 100 ms—within spec.
• Current monitoring accuracy: ±1.4%.
• Thermal performance at 60 °C: Driver temperature—72 °C. The APR (without pad) ran at 77 °C under the same conditions. The pad works.
• Overcurrent detection: 8 ms.
• Isolation test: 2,500 V RMS—no breakdown. Insulation resistance >100 MΩ.
• Reliability estimate: MIL-HDBK-217F gives a demonstrated MTBF of 52,000 hours at 40 °C—slightly higher than the APR because of the lower thermal stress. Refurbished units without the pad show a demonstrated MTBF around 8,000 hours—the drivers thermally cycle faster.

HONEYWELL SPC I0 51304156-100
HONEYWELL MODEM- -51304163- -300
HONEYWELL PANEL 51304260-200