Horner-apg XLt OCS Manual do Utilizador descarregar pdf (Página 25)

100

MAN0878-04-EN CH. 6

August 12, 2009 Page 25 of 100 ECN # 979

CHAPTER 6: CAN COMMUNICATIONS

Note: For additional CAN information, refer to the CAN Networks manual (

MAN0799) on our website.

(See page

96 for our website address.)

6.1 Overview

Some XLe/XLt models (XE1xx) provide a CAN networking port, which is implemented with a 5-pin

connector, labeled NET1.

Like the MJ1 serial port, the NET1 port can be used for XLe/XLt programming by connecting it to the CAN

port of a PC running Cscape. The NET1 port also allows the XLe/XLt to exchange global data with other

OCS/RCS controllers and to access remote Network I/O devices (SmartStix Modules).

6.2 Port Description

The XLe/XLt NET1 port implements the ISO 11898-2 physical layer and the CAN 2.0A data link layer

standards. Also, since the NET1 port is powered by an internal isolated power supply, external CAN

power is not required.

6.3 Wiring

Figure 6-1 and Table 6.1 show how the NET1 port pins are assigned.

Figure 6-1 – NET1 Port Connector

Table 6.1 – NET1 Port Pin Assignments

Pin Signal Signal Description Direction

1 V- CAN Ground

−

2 CN_L CAN Data Low In/Out

3 SHLD Shield Ground

−

4 CN_H CAN Data High In/Out

5 NC No Connect

−

Note: The V+ connection is

not required on the XLe/XLt.

The XLe/XLt network port is

self-powered. Supporting

devices can require this

connection, and this pin can

be used to land the extra wire

required for those devices.

CAN Connector

Use the CAN Connector

when using CsCAN network.

Torque rating 4.5 – 7 Lb-In

(0.50 – 0.78 N-m)

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