Technical parameters
The following article contains technical details of communication interfaces on Patron units, as well as the unit's storage, installation and working conditions.
Patron
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-END) |
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 |
Other I/O ports and interfaces
Ethernet port ETH | 10/100 Mbit/s |
USB port | 2x USB 2.0 (for service) |
Storage, installation and working conditions
Working temperature | 0 °C .. +55 °C |
Rated voltage -SELV | 24 V⎓ (±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 |