Yaskawa 260IF DeviceNet System - Manual (Page 17)

1.1 Outline of Configuration and Functions
1-3
1
1.1.2 Master Mode
There are two connection methods for Master Modes.
„ Multi-drop Connections
„ T-branch, Multibranch, and Drop-line Branching Connections
MP920 260IF
I/O
PS
PS
I/O I/O
PS
FG
Internal I/O power supply
External I/O power supply
Terminating
resistance
121
Ω
Trunk line
Drop line
External I/O power supply line
Internal I/O power supply line
Communications power supply
line
Terminating resistance
121
Ω
Communications Power Sup-
ply Tap (with reverse-current
prevention for multiple power
supply units)
Communications
power supply
MP920 260IF
I/O I/O I/O I/O I/O PS
PS
PS
FG
Trunk line
Drop line
External I/O power supply line
Internal I/O power supply line
Communications power supply
Terminating
resistance
121
Ω
Terminating
resistance
121
Ω
T-branch
Adaptor
Multibranch Adaptor Communica-
tions Power
Supply Tap
Communications
power supply
External
I/O power supply
Internal
I/O power supply