Connecting Rs422; Remote I/O Configuration; Dip Switch Configuration - Automation Direct DL305 Instruction

Connecting RS422

C1 C2
B1 B2 B3 B4 B5
Connecting RS422-2
B3
DN25TB
C4 C5
C7 C8
B8 B9
PORT 3 DL 405
CPU D4-450
PORT 2 DL 305
CPU D3-350

DIP SWITCH CONFIGURATION

PORT 1 DL 305 D3-350
PORT 1 DL 405 D4-450
PORT 1 DL 405 D4-430
PORT 1 DL 405 D4-440
DIP SWITCH CONFIGURATION DIP SWITCH CONFIGURATION
On On
Off Off
On On
Off Off
On On
Off Off
On On
Off Off
Pg. 3
RS 422 Configuration
1 2 3 4
On
120 ohm resistor
Off
RXD+ -------- RXD-
1 2 3 4
On
RS422 without
120 ohm resistor
RXD+ -------- RXD-
Off

Remote I/O Configuration

1 2 3 4
On
Remote I/O without
120 ohm resistor
Off RXD+/RXD- --- TXD+/TXD-
1 2 3 4
On Remote I/O with
120 ohm resistor
RXD+/RXD- --- TXD+/TXD-
Off
RS 422 Configuration RS 422 Configuration
1 2 3 4 1 2 3 4
RS 422 with RS 422 with
120 ohm resistor 120 ohm resistor
RXD+ -------- RXD- RXD+ -------- RXD-
1 2 3 4 1 2 3 4
RS422 without RS422 without
120 ohm resistor 120 ohm resistor
RXD+ -------- RXD- RXD+ -------- RXD-
Remote I/O Configuration Remote I/O Configuration
1 2 3 4 1 2 3 4
Remote I/O without Remote I/O without
120 ohm resistor 120 ohm resistor
RXD+/RXD- --- TXD+/TXD- RXD+/RXD- --- TXD+/TXD-
1 2 3 4 1 2 3 4
Remote I/O with Remote I/O with
120 ohm resistor 120 ohm resistor
RXD+/RXD- --- TXD+/TXD- RXD+/RXD- --- TXD+/TXD-
RS 422 with
REV 1.2