OHAUS 80500731 Manual De Instrucciones página 4

EN-2
2.2 RS485 / RS422 Wiring Guidelines
• Do not run more than one cable through the strain relief bushing.
• Do not use the cable that connects to the RS485 / RS422 pc board to make other
connections.
• Twisted pair shielded cable is recommended.
• The strain relief bushing allows a cable diameter from 2 to 6 mm (0.08 to 0.23
in.).
• The terminal block on the RS485 / RS422 pc board allows a wire size of 0.14 to
2
1.5 mm (26 to 16 AWG). Strip the wire ends to 6 mm (0.25 inch).
• Connect the wires to the terminal block J2 according to the Figure 2.2.
Operating Mode
Jumper location
Figure 2.1 Wire Preparation
W1 W2
J1
J4
Figure 2.2 RS485 Connections
RS485 / RS422 Option Kit
Termination Resistance
Jumper location
Receive - (RXD
Receive + (RXD +)
Ground (GND)
J2
Transmit - (TXD
Transmit + (TXD +)
)
-
)
-