Rs485 Connector; Rs232 Connector; Connections Of Terminal Block Connector Rs485; Connections Of Terminal Block Connector Rs232 - Advantech SmartFlex SR310 User Manual

When connecting counterpart terminal block connectors (included in package with the router),
use cables with nominal cross section 0.2 to 1.0 square mm (30 to 16 AWG). Recommended
stripping length is 5 mm. For M2 captive screws the screw driver 0.5 x 3 mm is recommended.
Tighten the screws with 0.3 Nm torque.
Connection of RS485 connector:
Signal ground is isolated from the router's ground.
The termination resistor can be activated directly on the port board using a jumper (termination
resistor is part of the port board).
Connection of RS232 connector:
Common with router's signal ground.
LUCOM GmbH — Flößaustr. 22a — 90763 Fürth — Tel.: +49 911/ 957 606 00 — E-Mail: info@lucom.de — www.lucom.de
Pin Signal Description
1 GND Signal ground
2 TxRx+ RS485 B(+)
3 TxRx- RS485 A(-)
Table 28: Connections of Terminal Block Connector RS485
Figure 49: RS485 connector
Pin Signal Description
1 AUX +5 V/500 mA
2 GND Signal ground
3 RXD Receive Data
4 TXD Transmit Data
Table 29: Connections of Terminal Block Connector RS232
Figure 50: RS232 connector
SmartFlex SR310
Direction
—
Input/Output
Input/Output
Direction
—
—
Input
Output
39