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Basic Operating Procedures Section 1-6
1-6 Basic Operating Procedures
1-6-1 Network Installation Procedure
Note For details on the network installation procedure, refer to the DeviceNet Oper-
ation Manual (
W267). Only a general description is given here.
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:
(1)
(2)
Check
Ye s
(3)
(4)
(5)
No
Determine a suitable baud rate for the
system.
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
DeviceNet specifications?
Determine the method for providing a
communications power supply.
Arrange for the required devices.
Delivery of devices.
Installation