RIO Modbus Interface Family
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RIO-8
Specifications
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RIO-9F
Specifications
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RIO-9GH
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RIO-15C
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OSS Foundations

RIO-9F Specifications

Overall

ProtocolModbus RTU
Communications Interface RS-232, RS-485, or wireless
Data Interface Rate 110 to 56k baud
Data Interface Parity none, even, or odd
Handshakinghardware (RTS/CTS)
Temperature-30 to +70 °C
Error Detection16-bit CRC
Digital Out Switch200mA, 28V max.
Digital Input Range28V max., Form A
Pulse Counting300pps max.
Pulse Count Depth32-bit (>4 billion counts)
Pulse Width1ms min.
Dig. In Debounce0 to 255 ms
Analog Input Range0 to 20mA, 28V max.
ADC Accuracybetter than 1%, 0.2% typ.

Power Requirements

Input Voltage (standard)9 to 15 VDC
Input Voltage (-28 models)10 to 28 VDC
Input Current65mA at 12V

Mechanical

Size5.225" x 2.835"
Mounting72mm PCB

LED Indicators

Status blinks green during normal operation*
Busy blinks yellow while receiving data
Transmit blinks red while transmitting data
DO1, DO2, DO3 lit green while DO-n output is on (pulled to ground)
DI1, DI2, DI3 lit yellow while DI-n input is on (pulled to ground)

* Output will be solid-on during firmware updates.