Rockwell Automation 1772-LP3 PLC - 2/30 Programmable Controller Programming and Operations Manual User Manual
Page 295
File Search and File Diagnostic Instructions
Chapter 17
17Ć3
Figure 17.2
FILE SEARCH Format
FILE SEARCH
COUNTER ADDR: 030
POSITION: 000
FILE LENGTH: 001
WORD ADDR: 011
FILE: 110- 110
030
(EN)
17
Numbers shown are default values. Bold numbers must be replaced by userĆentered values. The number of default address digits
initially displayed Ċ 3, 4, or 5 Ċ will depend on the size of the data table. Initially displayed default values are governed by the I/O rack
configuration.
COUNTER ADDRESS : Address of the instruction in the accumulated value area of the data table.
POSITION : Current word being operated upon (accumulated value of counter).
FILE LENGTH : Number of words in file (preset value of the counter).
WORD ADDRESS : Address of input word to be matched.
FILE : Starting address of data file to be searched.
030
(DN)
15
Figure 17.3 shows the format of Figure 17.2 after the conditions listed
below have been entered:
COUNTER ADD – 200
FILE LENGTH – 64
WORD ADDR – 141
FILE – Starts at word 400, ends at word 477
The procedure for using the data monitor mode for data entry or monitor is
presented in Chapter 12.
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