cetoni neMESYS, Operating Manual, Page: 33 / 55

neMESYS Manual – Electrical Interfaces
33
IMPORTANT

Please observe the maximum Baud rate of your CAN master

The standard Baud rate at the time of shipping is 1 Mbit/s

The CAN bus must be terminated with 2 termination resistors
(see section 7.6 on CAN bus termination)
7.4. RS-232 Connection (J5)
Figure 2 - RS232 connection (J2)
7.4.1. Pin Assignment
Pin no. Signal Description
1 neMESYS TxD neMESYS RS232 send
2 neMESYS RxD neMESYS RS232 receive
3 GND RS232 ground
4 Shield RS232 shield
7.4.2. Technical Data
Maximum input voltage ± 30 V
Output voltage typically ± 9 V @ 3k grounded
Maximum bit rate 115200 bit/s (standard 38 400 bit/s)
Internal RS232 driver/receiver EIA RS232 Standard