User manual

Publication CNET-UM001C-EN-P - November 2005
D-8 Control 1771 I/O Over ControlNet
Address I/O
To monitor or control discrete 1771 I/O devices, assign the tag name of the
device to an instruction in your logic:
• For step-by-step instructions on how to enter logic and tag names, refer
to the Logix5000 Controllers Common Procedures, publication
1756-PM001.
• All the data for I/O modules is at the controller scope. As you assign
addresses, click Controller Scoped Tags to see the I/O tags.
• Use the following table to select the address of an I/O device:
For a Digital Device Use This Address
name:type.Data[group].bit
Where Is
name the name of the remote I/O adapter, such as the
user-defined remote_1771_adapter in the previous
examples
• Use the name for the rack that contains the
module to which this device is wired.
• Use the name from the I/O configuration folder of
the controller.
type type of device:
If Then
input I
output O
group group number of the module to which this device is wired
bit point (bit) number to which this device is wired