Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1)
5-9-5 Multi-step Speed Operation Function
•
Use this function to switch the frequency reference set in the Multi-step Speed Reference 0 to 15
based on the combination of inputs to multi-function input terminals.
•
For multi-step speed operation, you can select either 4-terminal binary operation (in 16 steps maxi-
mum) or 7-terminal bit operation (in 8 steps maximum).
Multi-step Speed Selection
00: Binary (16-step selection with
4 terminals)
01: Bit (8-step selection with 7 ter-
minals)
1st Multi-step Speed Reference 0
0.00
Starting Frequency (b082) to 1st
Maximum Frequency (A004)
2nd Multi-step Speed Reference 0
*1
0.00
Starting Frequency (b082) to 2nd
Maximum Frequency (A204)
Multi-step Speed Reference 1
0.00
Starting Frequency (b082) to 1st/2nd
Maximum Frequency (A004/204)
Multi-step Speed Reference 2
Multi-step Speed Reference 3
Multi-step Speed Reference 4
Multi-step Speed Reference 5
Multi-step Speed Reference 6
Multi-step Speed Reference 7
Multi-step Speed Reference 8
Multi-step Speed Reference 9
Multi-step Speed Reference 10
Multi-step Speed Reference 11
Multi-step Speed Reference 12
Multi-step Speed Reference 13
Multi-step Speed Reference 14
Multi-step Speed Reference 15
*1. To enable the switching to the 2nd control, allocate one of the Multi-function Input Terminal 1 to 7 Selection (C001
to C007) to 08 (SET) and turn ON that terminal.
Precautions for Correct Use
Use the 1st/2nd Frequency Reference Selection (A001/A201) to set the 1st/2nd Multi-step
Speed Reference 0 (A020/A220).
Set the 1st/2nd Frequency Reference Selection (A001/A201) to 02 (Digital Operator: F001) to
enable the 1st/2nd Multi-step Speed Reference 0 (A020/A220).
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