Allen-Bradley ControlLogix System 1756-L1 User Manual page 377

Table 23.B Message to a PLC-5 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
Allen-Bradley HMIs
For this item: Type or select:
Message Type PLC5 Typed Read
Source Element data table address in the PLC-5 controller (e.g., N7:10)
Number Of Elements number of integers to transfer
Destination Tag first element of int_buffer
Message Type PLC5 Typed Write
Source Tag first element of int_buffer
Number Of Elements number of integers to transfer
Destination Element data table address in the PLC-5 controller (e.g., N7:10)
Message Type PLC5 Typed Read
Source Element data table address in the PLC-5 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 PLC5 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 PLC-5 controller (e.g., F8:0)
Configure Dial-Up Communications
Publication 1756-UM001E-EN-P - August 2002
23-9