Initializing The Central Unit; Sending The Program To The Plc; On-Line Program Tests - ABB AC 31 Technical Manual

ABB Control - AC 31
1SBC 260400 R1001-b 06.99
Presentation / operation

3.7.4. Initializing the central unit

Initialization of the central unit is necessary after any configuration of the central unit operative
mode in order for it to startup with the correct system configuration.
Click the "Reset" button in the control window to re-initialize the central unit. Wait for the
"Reset" window and validate "OK".

3.7.5. Sending the program to the PLC

Click on the "Send" button in the control window to automatically send and save the
program to the PLC.
Reply "Yes" to the first message "Do you want to change the PLC program name?"
(Figure 2-17).
Wait for the second message "EPROM is updated" and validate "OK" (Figure 2-18).

3.7.6. On-line program tests

Set the RUN/STOP switch of the central unit to RUN.
Test 1:
Activation and deactivation of the input using the switch wired to the I62.00 input.
The output status can be visualized on the PLC as well as from the software, as shown in
Figure 2-19.
The input, internal bit and output signals may also be visualized in time by clicking on the
"Variable time diagrams" icon in the control window.
Click on the "Insert variable" icon in the "Trace" window in order to insert a variable
(Figure 2-20).
Select the "I62.00 - IN1 - Switch" variable and validate "OK".
Follow the same procedure to insert the "M00.00 - TEST" internal bit.
Follow the same procedure to insert the "O62.00 - OUT1 - Lamp" variable.
The input, internal bit and output signals are immediately traced in the "Trace " window (Figure
2-20).
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