Omron DeviceNet 3G8F7-DRM21-E, Руководство по эксплуатации

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7
System Configuration
Section 1-5
1-5 System Configuration
The following diagram shows the various device connections allowed.
Note Refer to the following manuals for information on Slaves.
• DRT2 Series DeviceNet Slave Operation Manual (W404)
• C200HW-DRT21, CQM1-DRT21, and DRT1 Series DeviceNet Slave
Operation Manual (W347)
• DRT1-COM and GT1 Series DeviceNet MULTIPLE I/O TERMINAL Oper-
ation Manual (W348)
Baud Rate and Distance The following table shows the relationship between the baud rate and commu-
nications distance in the DeviceNet network.
Slave Connection
Methods Slave devices can be connected in two ways. These connection methods can
be combined in the same network.
Note Refer to the DeviceNet Operation Manual (W267) for details on connection
methods and grounding.
Input Slave
Output Slave
Output Slave
Input Slave
Trunk line
DeviceNet Cable
Drop line
(A cable with terminators
connected on both ends.)
Slave connected by
the multi-drop method
Slave connected by the T-branch
method using a T-branch Tap
T-branch Tap with
terminator installed
PCI
Board
(A cable branching from the
trunk line, 6 m max.)
Baud rate Maximum network length Drop line
length
Total drop line
length
Thick cable Thin cable
500 kbps 100 m max. 100 m max. 6 m max. 39 m max.
250 kbps 250 m max. 78 m max.
125 kbps 500 m max. 156 m max.
Method Description
T-branch Method Slaves are connected to a drop line from the trunk line or
branch line created with a T-branch Tap.
Multi-drop Method Slaves are directly connected to the trunk line or the drop line.