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S2C Isolated 4-20mA and Input Module Details

S2C DIN-mount SCADA module with display and terminals

S2C Module

12 channels 120Vac input, 4 channels 4-20mA and a cellular tamper-proof antenna

Supervisory control and data acquisition (SCADA) to cloud using cellular

Part# S2C Module $2,000.00

Cellular fee $300.00 yearly cellular fee

Wireless cellular alarm monitoring

The S2C is a DIN-mountable SCADA-to-cloud interface designed for industrial environments that need reliable remote monitoring, cellular failover and real-time alarm notifications. Whether you manage tanks, pumps or distributed assets, it bridges legacy systems with modern cloud infrastructure, with no on-site servers or complex VPN setup.

S2C module dimensions drawing
S2C dimensions for panel layout

Key features

  • 4x 4-20mA analog inputs for sensors and transmitters
  • 12x 120Vac or 24Vdc alarm inputs with opto-isolated channels
  • Cellular connectivity (LTE-M / 4G) with tamper-proof antenna
  • Built-in VPN and Bluetooth for secure configuration and diagnostics
  • Relay output for remote control or cellular signal failure alarm
  • Temperature range: -40 to +85 C for harsh environments
  • DIN rail mounting for easy integration into control panels

Benefits

  • Plug-and-play cloud integration with no IT overhead
  • Real-time alerts via email, SMS, voice or dashboard
  • Cellular failover keeps you online during network outages
  • Compact footprint for retrofit and new installations
  • Designed for engineers with no scripting or custom firmware required

Applications

Tank level monitoring

Remote pump monitoring

Alarm aggregation for distributed sites

Cellular backup for SCADA systems, used alongside existing systems

Industrial IoT deployments

S2C module with display screen
The S2C with its status screen

Description and specifications

Description
  • Input 4-20mA, 4 isolated channels (10 ohms)
  • Includes VPN (virtual private network)
  • Real-time alarms
  • Bluetooth communication connection
  • Notifications sent directly to your phone and/or email
  • Solid-state power backup, no batteries to replace
  • Output custom APIs; alarms to Wonderware (push method to SCADA system)
  • Easily graph daily pump runtimes
  • 3 dBi cellular tamper-proof antenna, bolt-down
  • Optional: cellular signal failure will activate relay
Features
  • 4 isolated 4-20mA analog inputs
  • 12 opto-isolated 120Vac or 24Vdc alarm inputs
  • LTE-M / 4G cellular Single or Redundant SIMs with tamper-proof antenna
  • Built-in VPN and Bluetooth
  • Relay output for remote control or signal failure alarm
Specifications
  • Operating temperature: -40 to +85 C
  • Mounting: DIN rail
  • Part# S2C Module: $2,000.00
  • Cellular fee: $300.00 per year Single or $588.00 for Redundant

A word from one of our satisfied customers

As a head wastewater operator for a city with multiple remote lift station locations, I have looked into multiple options for communication of these sites. I can attest that RDI's TankVitals Solutions is by far an option that can't be beat! At a fraction of the price of radio and fiber systems, this cellular is not only affordable, but superior in reliability. Combine that with customer service that is in my opinion the best in the industry. I couldn't be happier with this system. I wouldn't hesitate to recommend this to any municipality that is looking for quality, affordability, and reliability.
Nick Martin, Head Wastewater Operator, City of Stanley, WI
99.9%uptime
35%downtime reduction
Municipal lift station with a control cabinet and cellular antenna
A remote lift station monitored over cellular

Simpler, faster and smarter cellular system for your location

Test our S2C cellular 4G wireless tank alarm system. We will send a demo unit out to you.