Western Reserve Controls 1782-JDO Uživatelský manuál stáhnout pdf (Strana 13)

Western Reserve Controls WRC-CANR-DF-DN and –SM User’s Manual

PUB 14.2 Revision 4.03

Table 4-5 Baud Rate Settings for Switches

Baud rate

Local Position 1

Position 2

Position 3

Position 4

Meaning

Remote Position 5

Position 6

Position 7

Position 8

125K CLOSED CLOSED CLOSED CLOSED Fixed

250K CLOSED CLOSED CLOSED

OPEN

Fixed

500K CLOSED CLOSED

OPEN

CLOSED Fixed

Autobaud CLOSED CLOSED

OPEN OPEN

Autobaud for DeviceNet

Bauds (125k,250k,500k)

9.6K CLOSED

OPEN

CLOSED CLOSED Fixed

10K CLOSED

OPEN

CLOSED

OPEN

Fixed

20K CLOSED

OPEN OPEN

CLOSED Fixed

40K CLOSED

OPEN OPEN OPEN

Fixed

50K

OPEN

CLOSED CLOSED CLOSED Fixed

100K

OPEN

CLOSED CLOSED

OPEN

Fixed

800K

OPEN

CLOSED

OPEN

CLOSED Fixed

OPEN

CLOSED

OPEN OPEN

Fixed

Remote

OPEN OPEN OPEN OPEN

Takes baud rate from the

opposite end device. If

both sides are remote,

Autobaud from either side.

Autobaud ALL OTHER SWITCH POSITIONS Autobaud

4.4. Power Requirements

The WRC-CANR-DF CAN-Bus Extender subsystems are powered from the 11-25 Vdc provided

by the DeviceNet network. The WRC-CANR consumes 60 mA of current at 25 Vdc, or 1.5 Watts, typical.

See Section 3.

4.5. CAN Network Cabling and Configuration

This section provides general guidelines for connecting DeviceNet and SDS systems. You can

find detailed specifications in the referenced ODVA DeviceNet and Honeywell SDS specifications.

4.5.1. Cable Lengths

The following provide cable length limits for DeviceNet and SDS systems. These numbers apply

independently to each physical section of the CAN (copper) network.

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 25 26

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