Allen-Bradley ControlLogix System 1756-L1 User Manual page 378

23-10 Configure Dial-Up Communications
Table 23.C Message to a SLC 500 controller
If the data is: And you want to:
integer (s) read (receive) data
write (send) data
floating-point (REAL) read (receive) data
write (send) data
Publication 1756-UM001E-EN-P - August 2002
For this item: Type or select:
Message Type SLC Typed Read
Source Element data table address in the SLC 500 controller (e.g., N7:10)
Number Of Elements number of integers to transfer
Destination Tag first element of int_buffer
Message Type SLC Typed Write
Source Tag first element of int_buffer
Number Of Elements number of integers to transfer
Destination Element data table address in the SLC 500 controller (e.g., N7:10)
Message Type SLC Typed Read
Source Element data table address in the SLC 500 controller (e.g., F8:0)
Number Of Elements number of values to transfer
Destination Tag first element of the tag (controller-scoped) in this controller
for the data
Message Type SLC Typed Write
Source Tag first element of the tag (controller-scoped) in this controller
that contains the data
Number Of Elements number of values to transfer
Destination Element data table address in the SLC 500 controller (e.g., F8:0)
C. Click the Communication tab.
D. In the Path box, type the following path:
2,0
Since dial-up communications are point-to-point, the actual
address of the controller is not required.
E. Leave the communication method at the default settings of:
• CIP
• Cache Connections (This check box does not apply to
messages from the serial port.)
F. Click OK.