Rockwell Automation Publication 520-UM001K-EN-E - August 2021 215
Appendix D Velocity StepLogic, Basic Logic and Timer/Counter Functions
Velocity StepLogic
Parameters
Code Descriptions for Parameters L180...L187
Digit 4 Digit 3 Digit 2 Digit 1
00F1
Digit 4 – Defines the action during the step currently executing
Setting
Accel/Decel Parameter
Used
StepLogic Output State Commanded Direction
01 OffFWD
11OffREV
2 1 Off No Output
31 OnFWD
41 OnREV
5 1 On No Output
62OffFWD
72OffREV
8 2 Off No Output
92OnFWD
A2OnREV
b 2 On No Output
Digit 3 – Defines what step to jump to or how to end program when the logic conditions
specified in Digit 2 are met
Setting Logic
0 Jump to Step 0
1 Jump to Step 1
2 Jump to Step 2
3 Jump to Step 3
4 Jump to Step 4
5 Jump to Step 5
6 Jump to Step 6
7 Jump to Step 7
8 End Program (Normal Stop)
9 End Program (Coast to Stop)
A End Program and Fault (F002)
Digit 2 – Defines what logic must be met to jump to a step other than the very next step
Setting Description Logic
0 Skip Step (jump immediately) SKIP
1 Step based on the time programmed in the respective [Stp Logic Time x] parameter. TIMED
2 Step if “Logic In 1” is active (logically true) TRUE
3 Step if “Logic In 2” is active (logically true) TRUE
4 Step if “Logic In 1” is not active (logically false) FALSE
5 Step if “Logic In 2” is not active (logically false) FALSE
6 Step if either “Logic In 1” or “Logic In 2” is active (logically true) OR
7 Step if both “Logic In 1” and “Logic In 2” is active (logically true) AND
8 Step if neither “Logic In 1” or “Logic In 2” is active (logically true) NOR
9 Step if “Logic In 1” is active (logically true) and “Logic In 2” is not active (logically false) XOR
A Step if “Logic In2” is active (logically true) and “Logic In 1” is not active (logically false) XOR
b Step after [Stp Logic Time x] and “Logic In 1” is active (logically true) TIMED AND
C Step after [Stp Logic Time x] and “Logic In 2” is active (logically true) TIMED AND
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