The production of Unipi Axon controllers was discontinued. The Axon line was replaced by the next generation named Unipi Patron.
Technical parameters
The following article contains technical details of communication interfaces on Axon PLCs, as well as the controllers' storage, installation and working conditions.
Axon
RS485 interface
| Terminals | RS485-A, RS485-B |
| Galvanic isolation | Yes |
| Isolation voltage | 1000 V |
| ESD protection | ±15 kV |
| Communication speeds | 2400 bps 4800 bps 9600 bps 19200 bps 38400 bps 57600 bps 115200 bps |
| Input impedance | 12 kΩ |
| Input voltage hysteresis | 70 mV |
| Output characteristic | ±2.5 V |
| Terminating resistor | Built-in attachable 120 Ω |
| RS485 pull-up / pull-down resistors | 560 Ω / 560 Ω |
RS232 interface
| Terminals | RXD, TXD, GND |
| Galvanic isolation | No |
| ESD protection | ±15 kV |
| Communication speeds | 2400 bps 4800 bps 9600 bps 19200 bps 38400 bps 57600 bps 115200 bps |
| Input impedance | 5 kΩ |
| Input voltage hysteresis | 0,5 V |
| Output characteristic | ±7,8 V |
Storage, installation and working conditions
| Working temperature | 0 °C .. +55 °C |
| Rated voltage -SELV | 24 VDC (±5%) |
| Reverse polarity protection | Yes |
| Storage conditions | Temperature: -25 °C .. +70 °C Humidity: 10 % .. 95 %, w/o aggressive substances, condensing vapours or fog |
| Electric strength | according to EN 60950 |
| Ingress protection (IEC 529) | IP20 |
| Working position | Vertical |
| Installation | To a 35 mm DIN rail in an electrical distribution box |
| Connection | Pluggable screw terminals |
| Wire gauge | Max. 1,5 mm2 for 1-Wire Max. 2,5 mm2 for other terminals |
| Terminal spacing | 3,5 mm for 1-Wire 5,08 mm for other terminals |
| Terminal tightening torque | Max. 0,4 Nm |
