| Physical | |
| Size | 85mm x 85mm x 40mm |
| Weight | 110g |
| Communications: | |
| Selectable RS232 or RS485 serial port | |
| Logic level serial port, connections available on pcb | |
| Analogue Inputs: | |
| Number of analogue inputs: | 4 |
| Analogue Input Resolution: | 10 bit |
| Analogue Input voltage range: | ±5 VDC |
| Input Impedance: | > 10 kΩ |
| Digital Inputs/Outputs | |
| Number of digital input/output channels: | 4 |
| Digital output high voltage: | > 4.5 VDC |
| Digital output low voltage: | < 0.5 VDC |
| Input Impedance: | > 1 kΩ |
| Output Impedance: | < 5kΩ |
| Maximum Input voltage: | 5V |
| Minimum Input voltage: | 0V |
| Data storage | |
| Removable type 1 Compact Flash card, FAT16 formatted | |
| Real Time Clock | |
| Accuracy | 45ppm at 20°C |
| Power requirements | |
| Supply voltage | 9 to 42 VDC or 5 VDC ±5% |
| Supply current | <50mA mean, 100mA peak |
| Environmental | |
| Operating and Storage temperature | |
| range without compact flash card: | -20°C to +55°C |
| EMC | CE marked |
| This information is preliminary and is subject to change. |