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YASKAWA MP900 Series - Slave Mode; Functional Outline

YASKAWA MP900 Series
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Outline
1.1.3
Slave Mode
1-4
1
1.1.3 Slave Mode
The following diagram shows the system configuration when the 260IF Module is used in
Slave Mode.
1.1.4 Functional Outline
I/O Communications
The I/O communications function uses DeviceNet I/O connections to exchange data
between DeviceNet devices connected on the communications path and the MP900 Machine
Controller.
The CP-717 Engineering Tool is used to allocate I/O registers in the Controllers CPU for I/
O communications.
Message Communications
The message communications function sends explicit messages that read the DeviceNet
device names or serial numbers and write parameters for DeviceNet devices.
The MSG-SND function is used for message communications.
260IFMP920
I/O
PS
PS
I/O
PS
FG
260IFMP920
Internal I/O power supply
External I/O power supply
Master Mode Slave Mode
Terminating
resistance
121
Trunk line
Drop line
External I/O power supply line
Internal I/O power supply line
Communications power supply line
Terminating resistance
121
Communications Power
Supply Tap (with
reverse-current preven-
tion for multiple power
supply units)
Communications
power supply

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