CPU ADAM 821x
Chapter 4 Deployment of the CPU 821xNET
ADAM 8000 Manual CPU 821x – Rev 1.1
4-27
It is assumed that the CPs were programmed and that an overall reset was
issued to the CPUs where the RUN/STOP switch has to be in STOP
position.
You now load the above PLC programs into your CPUs. Start the programs
by placing the respective RUN/STOP switch into the position RUN.
At this point, communication between the modules is established. This is
indicated by the COMM-LEDs.
Start the Siemens STEP
7 manager and execute the following steps to
monitor the transmitting job:
•
PLC
>
Monitor/Modify Value
•
In the "Operand" column you enter the respective data block number
and the data word (DB11.DW0-15).
•
Establish a connection and click "Monitor"
.
You may enter user data starting with DW1. Place the cursor on
Modify
value
and enter the value you wish to transfer, e.g. W#16#1111.
The
button transfers the new value in every cycle and the
button
initiates a single transfer.
Monitoring the
data transfer in
Siemens STEP
7
manager
Entering user data