Communications specifications

Supported serial settings:

8 bits, no parity, 1 stop bit (default)
7 bits, even parity, 1 stop bit
7 bits, odd parity, 1 stop bit

Supported data rates:

300 baud
600 baud
1200 baud
2400 baud
4800 baud
9600 baud

19200 baud
38400 baud
57600 baud
76800 baud
115200 baud (default)

Supported standards:

RS-232 (default)
RS-485 full duplex
RS-485 half duplex

Signal voltage levels:

  Minimum value Nominal value Maximum value
RS-232 communications
RS-232 input threshold low 0.8 V 1.5 V –
RS-232 input threshold high – 2.0 V 2.4 V
RS-232 input absolute maximum –15 V – +15 V
RS-232 input resistance 12 KΩ – –
RS-232 output voltage low – – 0.4 V
RS-232 output voltage high (into 3 KΩ) 4.4 V – –
 
RS-485/422 communications
RS-485/422 input threshold voltage –0.2 V – +0.2 V
RS-485/422 output (unloaded) – – 5V
RS-485/422 output (load 50 Ω) 2 V – –
Maximum voltage at any terminal –7 V – +7 V

USB Service Port USB1.1 and 2.0 compatible, fixed 115200 baud.