User manual

Publication DNET-UM004A-EN-P - March 2004
9-2 Communicate with a PanelView™ Standard Terminal
Choose an Communication
Method
You have 3 options to send data to/from a PanelView terminal:
I/O Slave Communication
If you want to: Then use this method: Notes
communicate with the PanelView terminal
using the reqular I/O communication of the
the DeviceNet network
I/O slave • Easiest to use—requires no additional
programming.
• Use this as your first choice.
• Higher priority on the network than explicit server
and explicit client updates.
communicate with the PanelView terminal
based on conditions in your logic
explicit server • Provides additional data when you use up the I/O
slave assemblies.
• Lower priority on the network than I/O slave
updates.
use the PanelView terminal to get or set a
parameter of a device on your DeviceNet
network (not a controller)
explicit client • Does not use the controller or scanner.
• Lower priority on the network than I/O slave
updates
Assembly
Instance
1
I:0 16 bits
I:1 16 bits
I:63 16 bits
…I.Data[0]
Write Tags in PanelView
…O.Data[0]
Scanner Output MapRead Tags in PanelView
Scanner Input Map
Assembly
Instance
2
O:0 16 bits
O:1 16 bits
O:63 16 bits
I/O Slave
Scanner polls PanelView Terminal for
I/O data
• You define the input and output
sizes, up to 64 words.
• Assembly instance 1 gives
input data to the controller.
• Assembly instance 2 gets
output data from the controller.