Rockwell-automation 45MLA Controller Installation Instructions Bedienungsanleitung PDF herunterladen (Seite 12)

This extension PCB is equipped with two RJ45 connectors, J12

and J13, for the CAN interface. The following table describes pin

functions.

Table 23: CAN Standard RJ45 Connection for J12 and J13

Electrical Connection

The individual pins from J12 and J13 are connected to each other

in series (see Figure 9 below) and are absolutely identical. Two

CAN cables can be connected to the two plugs separately, or

connected to just one plug. The CAN module is powered

internally. The CAN power supply (connector J12 and 13, Pin 7

and 8) is not used, but connected in series.

Figure 9

Pin Signal

1CAN H

2CAN L

30V DC

4 Not connected

5 Not connected

6 Shield (optional)

7CAN GND (optional)

8CAN V+ (optional)

CAN H

CAN L

C. GND

C. SHIELD

C. GND

CAN V+

CAN H

CAN L

C. GND

C. SHIELD

C. GND

CAN V+

LED Indicators

The following table describes the LEDs D8 and D10 on the CAN

extension PCB.

Table 24: CAN Controller LED Status

Dip Switch Settings

The following tables describe DIP-switch settings for the CAN

model. DIP switch array S2 (1-4), located on the extension PCB,

sets the address offset, affecting all basic addresses from the CAN

standard mode and extended CAN mode. Note that DIP-switch

setting changes only take effect after a power cycle.

Table 25: DIP Switch Array S1 Setting

LED Description Colour Meaning

D8 CAN Error

Off No CAN error

Red CAN error – invalid message

D10 CAN Communication

Off No communication

Green flashing

Controller communicating

over CAN

Function

DIP switch number on array S1

87654321

Default 00000000

Offset to address: 0 (00 Hex) 0XXX0000

Offset to address: 1 (01 Hex) 0XXX0001

Offset to address: 2 (02 Hex) 0XXX0010

Offset to address: 3 (03 Hex) 0XXX0011

Offset to address: 4 (04 Hex) 0XXX0100

Offset to address: 5 (05 Hex) 0XXX0101

Offset to address: 6 (06 Hex) 0XXX0110

Offset to address: 7 (07 Hex) 0XXX0111

Offset to address: 8 (08 Hex) 0XXX1000

Offset to address: 9 (09 Hex) 0XXX1001

Offset to address: 10 (0A Hex) 0XXX1010

Offset to address: 11 (0B Hex) 0XXX1011

Offset to address: 12 (0C Hex) 0XXX1100

Offset to address: 13 (0D Hex) 0XXX1101

Offset to address: 14 (0E Hex) 0XXX1110

Offset to address: 15 (0F Hex) 0XXX1111

Baud rate CAN: 125k 0X00XXXX

Baud rate CAN: 250k 0X01XXXX

Baud rate CAN: 500k 0X10XXXX

Baud rate CAN: 1M 0X11XXXX

Standard CAN mode 00XXXXXX

Extended CAN mode 01XXXXXX

Set default configuration 1XXXXXXX

1 2 ... 7 8 9 10 11 12 13 14 15 16

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