Modbus RTU
Modbus modules
Controled over an RS485 connection the Modbust RTU protocol is simple, open, and easy to use.
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MB24V008£65.24 As low as £51.79High side switching outputs with Inductive load switching in mind. Ideal for controling solenoids, relays, valves and more.
Power - 24vdc
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Digital IO - 8 x 24vdc outputs @ upto 1.5A each or a 24vdc input
Control interface - Modbus RTU over RS485. -
MBH88£98.74 As low as £78.38Controlled by modbus RTU over RS485, address, baud rate and parity set by dip switch.
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Relays - 8 VFC with snubbers on N/O
Relay current - Up to 16Amp @24vdc or 250vac
Digital opto isolated inputs - 8
Power - Universal input: 90 – 264Vac, 47-63Hz
Control interface - Modbus RTU over RS485. -
USB-RS485B£19.60 As low as £14.72Complete, self powered, USB to RS485 interface.
Perfect for Modbus-RTU.
Baud - any baud rate up to 250k
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RS485 bus - upto 128 devices on the bus
Power - fully powered from standard USB interface