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.
Summary of Contents for DeviceNet 3G8F7-DRM21-E
Page 1: ...OPERATION MANUAL Cat No W381 E1 02 3G8F7 DRM21 E DeviceNet PCI Board ...
Page 2: ...3G8F7 DRM21 E DeviceNet PCI Board Operation Manual Revised July 2005 ...
Page 3: ...iv ...
Page 5: ...vi ...
Page 29: ...12 Preparation for Operation Section 1 8 ...
Page 67: ...50 PC Watchdog Timer Management Function Section 3 11 ...
Page 115: ...98 Maintenance API Functions Section 4 7 ...
Page 131: ...114 Remote I O Communications Characteristics Section 6 1 ...
Page 145: ...Index 128 ...
Page 147: ...130 Revision History ...