Allen Bradley Notes

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Allen Bradley Notes by Mind Map: Allen Bradley Notes

1. MAIN PROGRAM

2. Software

2.1. RSLinx

2.1.1. -Used for setting up communication protocols

2.2. RSLogix 5000

2.2.1. -Programs Compact and non-compact PLCs

2.2.2. Parts of Program

2.2.2.1. PROJECT

2.2.2.2. TASK

2.2.2.2.1. Task Type

2.2.2.3. PROGRAM

2.2.2.3.1. -Has Main Routine

2.2.2.3.2. -Has Fallback Routine

2.2.2.4. ROUTINE

2.2.2.4.1. One routine in each program must be assigned as the main routine

2.2.2.4.2. Other routines in the program must be called from the main routine

2.2.3. TAGS

2.2.3.1. Elements

2.2.3.1.1. Name

2.2.3.1.2. Description

2.2.3.1.3. Alias (for)

2.2.3.1.4. Data Type

2.2.3.1.5. Scope

2.2.3.1.6. Type

3. Hardware

3.1. KEY Switch

3.1.1. Run

3.1.1.1. Run only - can't be programmed

3.1.2. REM

3.1.2.1. Allows run or program, based on last mode

3.1.3. Program

3.1.3.1. Program only - not run

3.1.3.2. Required for firmware flashes

4. SCAN CYCLE

4.1. 1 - Input Scan

4.2. 2 - Program Scan

4.3. 3 - Output Scan

4.4. 4 - Housekeeping

4.5. PRESCAN

4.5.1. Power Start Up

4.5.2. Auto run 1 Prescan

4.5.3. Own Rules

4.5.4. OTE - Write a 0 in bit box

4.5.4.1. Change status to 0

4.5.5. LATCH - Do nothing!

4.5.5.1. Leave status unchanged!

4.5.6. UNLATCH - Do nothing!

4.5.6.1. Leave status unchanged!

4.5.7. (END) - Done

5. Settings

5.1. RPI - Requested Packet Interval (ms (1.0 - 750ms)

5.1.1. In Compact Logix

5.1.2. Interrupt - Bus that modules are connected to broadcast

5.1.3. State of input or output can change from top to bottom of program

5.1.4. *Could occur in advanced programming

5.1.5. -Input on in start, but off at the end

5.1.6. -Allow input or output to be updated during course of scan (During scan)

6. Retentive Instructions and One Shot

6.1. One Shot - one second pulse

6.1.1. Useful for on off with latch and unlatch

6.2. Power off/on - Retentive instruction retains afterwards!

7. Logic Instructions

7.1. XIC

7.1.1. Go Look for a 1

7.2. OTE

7.2.1. Output Energize

7.2.2. T - Go write a 1

7.2.3. F - Go write a 0

7.3. XIO

7.3.1. Go Look for a 0

7.4. Latch (L)

7.4.1. T - Go Write a 1

7.4.2. F - Do Nothing

7.5. Unlatch (U)

7.5.1. T - Go write a 0

7.5.2. F - Do Nothing