SMARTLOAD IND9090 VER 1 Crane Voltage Gauge & Load Indicator

SMARTLOAD IND9090 VER 1 Voltage Gauge & System Monitor for 25-Ton Cordless Cranes

The SMARTLOAD IND9090 VER 1 is a heavy-duty, marine-grade voltage gauge and digital telemetry indicator module engineered for critical electrical monitoring on 25-ton cordless offshore and yard cranes. Operating in dynamic marine and heavy lifting environments, cordless hoisting rigs experience severe voltage fluctuations, inductive kicks during winch cycling, and RF attenuation.

The IND9090 VER 1 continuously monitors and displays DC bus rail potential, internal battery pack voltages, and transceiver power rails across cordless telemetry units. Built with high-transient suppression and an ultra-low drift analog-to-digital converter (ADC), this unit prevents telemetry loss, false over-moment lockouts, and uncontrolled load drops caused by brownouts in wireless load-link assemblies.

Model Details:

• Manufacturer / Brand: Scotload / Strainstall (Smartload® Series)
• Model: IND9090
• Hardware Revision: VER 1.0
• Manufacturer Part Number (MPN): IND9090-V1-25T-DC
• Product Condition: Used (Fully Working)

Technical Specifications

Key Features

1. Wide-Rail Voltage Sampling: Accurately reads DC line inputs across 9.0 V DC to 36.0 V DC with ±0.1% Full Scale (FS) resolution and galvanic isolation up to 1.5 kV DC to suppress ground loops.
2. Transient & Inductive Spike Suppression: Equipped with multi-stage TVS diodes and metal oxide varistors (MOVs) rated for ISO 7637-2 pulse suppression, safeguarding against starter motor and hoist-brake back-EMF.
3. Rugged Marine-Spec Enclosure: Encased in an anodized, hard-coat, low-copper cast aluminum housing sealed to IP66/IP67, resisting salt spray, chemical washdowns, and continuous marine deck vibration.
4. Direct Bus & Telemetry Integration: Provides dual-channel isolated analog auxiliary outputs (4–20 mA / 0–10 V DC) alongside RS-485 Modbus RTU telemetry output for integration into crane cabin cabin consoles and PLC safety interlocks.
5. High-Contrast Polarized Display: Features an anti-glare, backlit transflective display with dual bar-graph and numeric readouts for direct visibility under daylight or deck floodlighting.

Compatible Cranes and Lift Equipment

• 25-Ton Cordless Mobile Yard Cranes: Terex, Tadano, Grove, and Liebherr mobile hydraulic units modified with cordless telemetry links.
• Marine Deck & Offshore Davits: MacGregor, TTS, Liebherr Offshore RL-series pedestal-mounted 25-ton marine cranes.
• Cordless Wireless Receivers: Scotload Smartload Handheld Displays, Strainstall Wireless Base Stations, and C-Cell/Li-Ion external telemetry battery packs.

Part Number Cross-References

• Scotload / Strainstall: IND9090, IND-9090-V1, 118495109190
• OEM Module Numbers: SL-VG9090-25T, MS-9090-VOLT-REV1
• Interchangeable Legacy Units: IND-8050-V (with panel adapter kit), WMS-24V-IND

Applications

• Cordless Crane Battery Telemetry: Real-time electrical monitoring of wireless crane scale packs and 25-ton tension links suspended from main purchase hooks.
• Offshore Pedestal Crane Cabins: Continuous monitoring of auxiliary cabin instrumentation bus voltages to prevent PLC tripping during deep-sea supply vessel offloading.
• Heavy Yard Rigging & Spreader Beams: Electrical health verification across cordless multi-point tension load monitoring beams.
• Winch Line Pull Monitoring: Integration with running line tensiometers (RLMs) on cordless barge anchor handling winches.

Frequently Asked Questions

Can the SMARTLOAD IND9090 VER 1 operate on both 12V and 24V crane electrical architectures?

Yes. The IND9090 VER 1 has an internal switch-mode power regulation stage that automatically accommodates any direct DC input ranging from 9.0 V DC to 36.0 V DC. It maintains calibrated gauge accuracy without requiring manual jumpers, dip-switch changes, or external step-down converters.

What is the primary functional difference between the IND9090 VER 1 and older IND8000-series gauges?

The VER 1 revision introduces high-speed isolated RS-485 serial communication, a reinforced IP67 housing, and 1.5 kV galvanic isolation. Older IND8000 models were purely analog, had non-isolated inputs vulnerable to crane ground shifts, and lacked native programmable under-voltage dry contacts.

How do I configure the low-voltage relay output for crane cabin alarms?

Access the calibration menu using the front-panel sealed membrane keys: navigate to SET > ALRM > RELAY1. Set your threshold voltage (e.g., 22.0 V DC) and configure the relay state as Normally Open (NO) or Normally Closed (NC). Wire terminals TB3-Pin 1 and TB3-Pin 2 in series with the cabin annunciator or PLC safety trip circuit.

Does the IND9090 calculate hook weight or strictly monitor supply voltage?

The IND9090 VER 1 is a dedicated digital voltage and electrical health telemetry gauge. It monitors bus and battery voltages for the 25-ton cordless crane load system. In setups linked via Modbus RS-485, it can alternately toggle between bus voltage and battery life percentages of the suspended tension link.

Is recalibration required upon arrival?

No. Every unit is pre-calibrated and fully tested across its full operating scale prior to dispatch. A manufacturer-traceable calibration run sheet is enclosed. In standard crane duty, an annual bench verification check is recommended in accordance with standard marine survey guidelines.