Basic Operating Procedures

Section 1-6

1-6 Basic Operating Procedures

1-6-1 Network Installation Procedure

(1)

Note For details on the network installation procedure, refer to the DeviceNet Oper- ation Manual (W267). Only a general description is given here.

Determine a suitable baud rate for the system.

(2)

Check

Determine the node arrangement, the wiring configura- tion, and the cable lengths.

A)Restrictions on lengths of trunk lines and branch lines and total drop line length. (Selection of thick cables or thin cables)

B)Separation from noise sources.

Do (1) and (2) above meet the

No

DeviceNet specifications?

 

 

Yes

(3)Determine the method for providing a communications power supply.

(4)

Arrange for the required devices.

Delivery of devices.

(5)

Installation

1-6-2 Hardware Preparations for Communications

1,2,3... 1. Set the initial settings for the DeviceNet Unit:

Unit No. (UNIT No.)

Node address (NODE ADR) Baud rate (DIP switches 1 to 2)

Communications continue/stop setting for communications errors (DIP switch pin 3)(with Master communications)

I/O hold/clear for communications errors (DIP switch pin 4)(with Slave communications)

2. Set the initial settings for slaves:

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Omron CJ1W-DRM21 Basic Operating Procedures, Network Installation Procedure, Hardware Preparations for Communications