
Chapter 5
%!" #!#$
5-8
Figure 5.1
MSG Instruction DataĆEntry Screen (MG Control Block)
MESSAGE INSTRUCTION DATA ENTRY FOR CONTROL BLOCK MG10:10
Communication Command PLC-3 Word Range Write
PLC-5 Data Table Address: N7:3
Size in Elements: 1
Local/Remote: LOCAL
Remote Station: N/A
Link ID: N/A
Remote Link Type: N/A
Local Node Address: 00
Destination Data Table Address: “30”
Port Number 3A
BLOCK SIZE IS 56
Press a key to change a parameter or <ENTER> to accept parameters.
Program Forces:None Edits:None PLC-5/40 File DRILL1
Read/ PLC-5 Size in Local/ Remote Link Remote Local Destin Port
Write Address Elemnts Remote Station ID Link Node Address Number
F1 F2 F3 F4 F5 F6 F7 F8 F9 F10
Sample PLC-5 Ladder-Logic Program
Use the following sample ladder-logic program as a guide when you
prepare programs for your application. This example triggers or initiates a
message instruction every 10 seconds.
Figure 5.2
Example LadderĆLogic Program for PLCĆ5 Programmable Controller
ControlĆCoprocessor Message Functions
The control coprocessor has message (MSG) functions that process
unsolicited messages from the PLC-5 programmable controller.
The control coprocessor supports both synchronous and asynchronous
message functions.
Comentarios a estos manuales