Wireless I/O

WI-I/O 9-L

• Frequency hopping spread spectrum 902-928 MHz 1W license-free USA/Canada
• Configurable sub-bands license-free Mexico, South America, Australia/NZ, Hong Kong

The Unidirectional Wireless I/O range of products is suitable for connecting to a single sensor or group of sensors and provides an economical solution for remote monitoring systems. The Unidirectional L products can also be used in more complex networks as signal transmitters or receivers.

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Multi-I/O Units

• Large I/O capability with I/O expansion
• Two-way communications
• Use where communications is required in both directions or for large I/O requirements. Each network can handle multiple I/O applications.
• Frequency hopping spread spectrum
• 902-928 MHz 1W license-free USA/Canada
• Configurable sub-bands license-free Mexico
• Up to 95 wireless units per network
• Support up to 31 I/O expansion modules (WI-I/O-EX-I-S-XX) per wireless unit
• Multi-hop repeater functions – up to 5 intermediate units

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Expansion I/O Units

Typical Applications:

Expansion I/O for WI-I/O 9 wireless units

• Up to 31 x WI-I/O-EX-1-S units can be connected to each wireless unit via RS485 (up to 2 km long). Serial I/O multiplexer
• Transfer I/O via RS485— up to 32 units per multi-drop link

Expansion I/O for Modbus devices

• Up to 31 x WI-I/O-EX-1-S units can be connected to each Modbus master via RS485 (up to 2 km long)

Features:

• Multi I/O channels— monitoring and control functions
• Connected via RS485 multi-drop
• Selectable communications via Modbus protocol (both RTU and ASCII formats)
• Sensor signals connected at one module (input signals) are transmitted to another module where the signals are re-created as output signals, or passed via serial to a host device such as a PLC or SCADA system
• Connect to WI-I/O 9 wireless I/O units for up to 31 serial addresses per wireless unit
• Connect WI-I/O-EX-1-S units together to form a serial multi-drop I/O system - up to 32 serial addresses per multi-drop link—no Master device is required to control communications
• Connect up to 99 x WI-I/O-EX-1-S units as multi-drop Modbus I/O (RS485 extenders/isolators required for more than 31 units per single multi-drop length)
• RS485 multi-drop up to 2 km (1 mile) depending on installation environment Three I/O versions available

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Transmitter (Single Sensor Units)

WI-I/O 9-K Transmitter

• Frequency hopping spread spectrum 902-928 MHz 1W, license-free USA/Canada
• Configurable sub-bands license-free Mexico, South America, Australia/NZ, Hong Kong

The Single Sensor Wireless I/O range of products is suitable for connecting to a single sensor or group of sensors and provides an economical solution for remote monitoring systems. Capable of being powered by battery-only supplies, these products are particularly suitable where power is not available.

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