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PRODUCT MANUAL
SANTINO LT core
6.5 CAN/RS-485 Interface (X39)
Pin
Name
Description
Level
1
GND
Ground
2
RS-232_TXD1
Port #1: Transmit data (Output)
V. 28
3
RS-232_RXD1
Port #1: Receive data (Input)
V. 28
+24 V
4
RS-232_RTS1
Port #1: Request-to-send (Output)
V. 28
+24 V
5
RS-232_CTS1
Port #1: Clear-to-send (Input)
V. 28
6
RS
RS485 Termination high side, bridge with T+
7
RS485_B_T-
RS485 Termination low side, bridge with T-
8
GND
Ground
9
CAN_H
CAN bus high
10
CAN_L
CAN bus low
11
CAN_TERM
To enable CAN-Termination, bridge with CAN_L
12
GND
Ground
Half Duplex A
RS485_T-
Half Duplex B
Header: Molex 43045-1400 Micro-Fit 14p
Plug: Molex 43025-1400 Micro-Fit 14p, crimp contact Molex 43030-0007
Shielding with 6.3 mm male spade terminal connector CAN/RS-485 is not galvanic isolated
from System-GND/Housing
1
8
1
8
1
8
CAN1 Termination
RS485 Termination
