Garz & Fricke Neso LT series, Manual

Page: 13 / 35

NESO LT 4.3" Open Frame Manual
13
RS-232/RS-485/CAN (X9)
6.3
6.3.1
Option: RS-232/RS-485
Pin Name Description Level
1 GND Ground
2 RS232_TXD1 Port#1: Transmit data (Output)
3 RS232_RXD1 Port#1: Receive data (Input)
4 RS232_RTS1 Port#1: Request-to-send (Output)
5 RS232_CTS1 Port#1: Clear-to-send (Input)
6 Vref Vref out 5V
7 GND Ground
8 RS485_Y TX+
9 RS485_Z TX-
10 RS485_A RX+
To enable Half-Duplex: bridge with RS485_Y
11 RS485_B RX-
To enable Half-Duplex: bridge with RS485_Z
12 RS485_TERM To enable RS485-Termination: bridge with
RS485_A
Header: Molex_43045-1200_Micro-Fit_12p
Plug:
Molex_43025-1200_Micro-Fit_12p, crimp contact Molex 43030-0007
6.3.2
Option: RS-232/CAN
Pin Name Description Level
1-5 RS-232 Identical to RS-485 option (s. 4.3.1.)
6 Vref Vref out 5V
7 GND Ground
8 CAN1_H CAN bus 1 high
9 CAN1_L CAN bus 1 low
10 CAN1_TERM To enable CAN1-Termination, bridge with
CAN1_L
11 n.a.
12 n.a.