RIO-9H Specifications
Overall
| Protocol | Modbus RTU |
| Communications Interface |
RS-232, RS-485, or wireless |
| Data Interface Rate |
110 to 56k baud |
| Data Interface Parity |
none, even, or odd |
| Handshaking | hardware (RTS/CTS) |
| Temperature | -30 to +70 °C |
| Error Detection | 16-bit CRC |
| Digital Out Switch | 200mA, 28V max. |
| Digital Input Range | 28V max., Form A |
| Pulse Counting | 300pps max. |
| Pulse Count Depth | 32-bit (>4 billion counts) |
| Pulse Width | 1ms min. |
| Dig. In Debounce | 0 to 255 ms |
| Analog Input Range | 0 to 20mA, 28V max. |
| ADC Accuracy | better than 1%, 0.2% typ. |
Power Requirements
| Input Voltage (standard) | 9 to 15 VDC |
| Input Voltage (-28 models) | 10 to 28 VDC |
| Input Current | 65mA at 12V |
Mechanical
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.
