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SCADALink SR900 SensorRadio – Wireless 4-20ma
Wireless transmitter transmits a single 4-20mA signal and 2 Discrete signals to matching Sensor Radio Receiver at ranges up to 20+ Miles. -
SCADALink IO900 – Wireless I/O
Modular Point-to-Point I/O telemetry system that allow license-free, bi-directional transmission of digital and analog process signals at distances of up to 20+ miles.
Overview
SCADALink SMX900: Modular Wireless RTU / Modem
NOTE: This item is no longer for sale for new systems. Bentek will continue to support customers with existing SMX900. Please go to our next generation replacement product, the RIO900.
The SMX900 is a compact, rail-mounted license-free radiomodem / RTU operating in the 902-928Mhz ISM band. With expandable Modbus and Allen Bradley DF1 addressable I/O modules, built-in RS-232 / RS-485 / RS-422 and support for up to 254 Slave connections, the user can easily set up complex Point-Multipoint SCADA communication systems. The SMX900 can also operate in End-to-End I/O Telemetry. Each site consists of a transceiver unit along with a maximum of 8 I/O expansion modules. There are 5 types of expansion modules to choose from: AI4, AO4, DI8, DO8, A8D4.
Features & Specs
- License Free 902-928 MHz Spread Spectrum Radiomodem
- 20+ Mile Range
- Modular Expansion to Modbus RTU or Allen Bradley DF1 I/O Modules
- Multiple Operating Modes: Point-Multipoint (Modbus RTU or AB DF1), I/O Telemetry or Transparent Serial
- RS-232 / RS-485 / RS-422
- Configurable as Master, Slave or Repeater
- Supports up to 254 Slave connections
- 1200 – 19,200 Baud Data Rate
- 9-30VDC Operation
- -40°C to 85°C Operating Temperature
- DIN Rail Mounted Modules
- Link Failure Relay
- Auto routing for Network redundancy and increased reliability
- See Point-to-Point Version IO-900
- Dimensions: W 0.88″ x D 3.89″ x H 4.6″
SCADALink I/O Expansion Modules Connected through the I/O Bus:
Bentek Systems’ I/O Modules can be attached to the SMX900 via the I/O bus as shown:


Applications
Applications
Documentation
Related Products
Wireless I/O
Spread Spectrum (900mHz)Radios
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SCADALink RIO100 – Modbus I/O & I/O Telemetry Controller
RTU controller (no integrated radio) designed for serial communications to EFMs and I/O signals. Flexible and powerful; allowing users to configure the device for many different applications. -
SCADALink RIO900 Wireless I/O Telemetry Radio
License-free 900 Mhz radio / RTU designed for serial communications to EFM's and I/O signals. Flexible and powerful, allowing users to configure the device for many different applications.
Remote I/O Controller
IO Expansion Modules