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TUNNER

View Catalogue: TUNNER

TUNNER

TUNNER Radio Remote Control

Compact Push‑Button Crane Pendant with Emergency Stop, GCFI Channel Management & IP65 Sealing

Manufactured by Itowa, the TUNNER is a compact yet robust radio pendant designed for basic two-speed crane control. Available in configurations with 4 or 6 double-stepped pushbuttons plus Start/Horn and Stop, TUNNER combines rugged durability with advanced interference management, making it ideal for everyday industrial operations.

⚡️Key Features & Benefits
  • ✅ 4 or 6 Double-Depression Motion Buttons + Start/Horn + Stop
    Supports up to 9 motion commands plus Start and Stop, offering simple yet comprehensive control.
  • ✅ Intelligent Frequency Management (GCFI)
    Automatically selects the least-occupied frequency channel to avoid RF interference.
  • ✅ 4 LED Status Indicators
    Provides real-time feedback on system status, pairing, low battery, and transmission.
  • ✅ Durable IP65 Construction
    Sealed against dust and water, compact form factor (~325 g) for easy single-hand operation.
📝 Technical Specifications

Transmitter

Specification Details
Commands 4 or 6 motion + Start/Horn + Stop
Max Control Functions up to 9 + Start/Horn + Stop
Hamming Distance ≥ 6
Response Time < 50 ms
Passive Emergency Response < 50 ms
Range Approx. 90 m
Frequency Band UHF 868 MHz range (868–870 MHz typical); other ranges available
Channel Spacing 25 kHz
Modulation FM
RF Power ~10 mW (A.R.P)
Coding FFSK
Power Consumption Active: < 80 mA; Idle: < 800 µA
Battery Type Removable NiMH 3.6 V rechargeable
Operating Life ~18 hours (with ~10 min reserve after low battery LED)
Operating Temperature –20 °C to +70 °C
Dimensions 170 × 70 × 55 mm
Transmitter Weight ~0.325 kg

Receiver

  • Compatible with TUNNER transmitter; contact relays up to 9 + Start + Stop
  • Relay Rating: 5 A resistive load at 250 VAC or 30 VDC
  • Supply Voltage: 48 VAC or 110 VAC per EN 60047‑5‑1 standard
  • LED Display: Shows system status/pairing/fault indicators
  • Max Power: 0.1 A (48 VAC) / 0.05 A (110 VAC)
  • Enclosure: IP65 rated, with modular hardware and easy-toolless wiring options
  • Dimensions: 190 × 83 × 165 mm; Weight ~0.89 kg
  • Mounting Methods: DIN rail, magnetic, or bolt fastening
  • Charger: External charger supports 100–240 VAC; charging approx. 8 hours; rating IP30
🤖 Advanced (Smart/Intellgent) Functions
  • GCFI (Intelligent Frequency Management): Avoids interference by dynamically selecting clear channels.
  • Emergency Response: Dual shutdown latency < 50 ms both active and passive modes.
  • Long Battery Runtime: NiMH rechargeable pack provides ~18 hours of use with failsafe low-battery reserve.
  • Tool-Free Customization: Both transmitter and receiver support on-site pairing, programming, and replacement without special tools.
💼 Applications

TUNNER is ideal for:

  • Light-duty EOT cranes, monorail systems, and simple overhead hoists
  • Operation scenarios demanding reliable shut-off and basic motion control
  • Worksites with moderate RF congestion, where GCFI frequency selection is beneficial
  • Environments requiring compact pendant units, easy battery management, and certification-grade safety features

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