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Setting Precautions
When setting analog inputs to step 1 to step 3, observe the following precautions.
When setting terminal A1's analog input to step 1, set b1-01 to 1, and when setting d1-01 (Frequency Ref-
•
erence 1) to step 1, set b1-01 to 0.
When setting terminal A2's analog input to step 2, set H3-09 to 2 (auxiliary frequency reference). When
•
setting d1-02 (Frequency Reference 2) to step 2, set H3-09 to 1F (do not use analog inputs).
When setting terminal A3's analog input to step 3, set H3-05 to 3 (auxiliary frequency reference 2). When
•
setting d1-03(Frequency Reference 3) to step 3, set H3-05 to 1F (Analog input not used).
Connection Example and Time Chart
The following diagram shows a time chart and control circuit terminal connection example during a 9-step
operation.
Frequency
reference
Forward/stop
Multi-step speed
reference 1
Multi-step speed
reference 2
Multi-step speed
reference 3
Jog
frequency
selection
-6
6
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Fig 6.6 Control Circuit Terminal During 9-step Operation
Frequency
reference 4
Frequency
reference 3
Frequency
reference 2:
Auxiliary speed
frequency
Frequency
reference 1:
Master speed
frequency
Fig 6.7 Multi-step speed reference/Jog Frequency Selection Time Chart
Drive
S1 Forward/stop
S2 Reverse/stop
S3 External fault
S4 Fault reset
S5 Multi-step speed reference 1
S6 Multi-step speed reference 2
S7 Multi-step speed reference 3
S8 Jog frequency
SC Sequence common
Frequency
reference 8
Frequency
reference 7
Frequency
reference 6
Frequency
reference 5
Jog frequency
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Troubleshooting
