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Allen-Bradley MicroLogix 1100 Instruction Set Reference Manual

Allen-Bradley MicroLogix 1100
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Publication 1763-RM001C-EN-P - October 2009
434 Recipe and Data Logging
Example Queue 0
This queue is used to show how to calculate the string length of each
record and maximum number of records.
String Length of Record
The size of a record is limited so that the length of the maximum
formatted string does not exceed 80 characters. The following table can
be used to determine the formatted string length.
For queue 0, the formatted string length is 59 characters, as shown below:
= 10 + 1 + 8 + 1 + 6 + 1 + 11 + 1 + 6 + 1 + 6 + 1 + 6
= 59 characters
Queue 0 (Date = , Time = , Delimiter = ,)
Date Time N7:11 L14:0 T4:5.ACC I1:3.0 B3:2
Record 0 01/10/2000 , 20:00:00 , 2315 , 103457 , 200 , 8190 , 4465
Record 1 01/10/2000 , 20:30:00 , 2400 , 103456 , 250 , 8210 , 4375
Record 2 01/10/2000 , 21:00:00 , 2275 , 103455 , 225 , 8150 , 4335
Record 3 01/10/2000 , 21:30:00 , 2380 , 103455 , 223 , 8195 , 4360
Record 4 01/10/2000 , 22:00:00 , 2293 , 103456 , 218 , 8390 , 4375
Record 5 01/10/2000 , 22:30:00 , 2301 , 103455 , 231 , 8400 , 4405
Record 6 01/10/2000 , 23:00:00 , 2308 , 103456 , 215 , 8100 , 4395
Record 7 01/10/2000 , 23:30:00 , 2350 , 103457 , 208 , 8120 , 4415
Record 8 01/11/2000 , 00:00:00 , 2295 , 103457 , 209 , 8145 , 4505
Record 9 01/11/2000 , 00:30:00 , 2395 , 103456 , 211 , 8190 , 4305
Record 10 01/11/2000 , 01:00:00 , 2310 , 103455 , 224 , 8195 , 4455
Record 11 01/11/2000 , 01:30:00 , 2295 , 103456 , 233 , 8190 , 4495
Data Memory Consumed Formatted String Size
delimiter 0 bytes 1 character
word 2 bytes 6 characters
long word 4 bytes 11 characters
date 2 bytes 10 characters
time 2 bytes 8 characters
Data Date Time N7:11 L14:0 T4:5.ACC I1:3.0 I1:2.1
Characters 10 1 8 1 6 1 11 1 6 1 6 1 6
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Allen-Bradley MicroLogix 1100 Specifications

General IconGeneral
Processor32-bit
Programming SoftwareRSLogix 500
MountingDIN rail or panel mount
Power Supply24V DC
TypeCompact PLC
Digital Inputs12
Digital Outputs8
Analog Inputs4 (depending on model)
Analog OutputsOptional with expansion module
Programming LanguageLadder Logic
Operating Temperature0 to 55 °C (32 to 131 °F)
SeriesMicroLogix

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