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Verifying PLC 2 Family
Programs
Recording PLC 3 Programs
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the error. For example, the first error found is displayed after
[SEARCH][0][1] is typed, while the fifth error found is displayed
after [SEARCH][0][5] is typed.
NOTE: If using a 177-T3 industrial terminal system, steps 9-14 can be
replaced by pressing [RECORD][SHIFT][A] on the keyboard.
The procedures for recording and loading include steps for verifying the
programs. you can also verify programs at other times by using the
following procedure:
NOTE: The data table is compared only on the first verification, and only
if the mode select keyswitch is left in the PROG position. If it is not
necessary to verify the data table, the mode select keyswitch can be in any
position.
1.
Install the recorder as described in chapter 3.
2.
Set the BAUD RATE switch to 1200 baud. Select the track
containing the desired program.
3.
Set the power ON/OFF switch to the ON position.
4.
Insert a data cartridge into the recorder.
5.
Wait for the recorder to complete the repacking operation .
6.
Place the cursor on the first program instruction.
7.
Press [RECORD][1] on the industrial terminal keyboard.
8.
Press the READ FROM TAPE switch on the recorder.
9.
Wait for the READ FROM TAPE indicator to turn off and the tape to
stop.
10. If errors are found, a message will appear on the industrial terminal
CRT monitor.
NOTE: If using a 1770-T3 industrial terminal system, steps 7-9 can be
replaced by pressing [RECORD][SHIFT][C] on the keyboard.
You can record all or part of the user accessible memory of a PLC-3
programmable controller by using PLC-3 extended addressing. Five tape
commands are used: A, Y, U, N, and E. The functions of these commands
follow:
Chapter 4
Operation
4 7
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