Using Multi-Step Speed Operation - Omron VARISPEED E7 User Manual

Using Multi-Step Speed Operation

With Varispeed E7 series Inverters the speed can be changed in a maximum of 5 steps, using 4 multi-step fre-
quency references and one jog frequency reference.
The following example of a multi-function input terminal function shows a 5-step operation using multi-step
references 1 and 2 and jog frequency selection functions.
Related Parameters
To switch frequency references, set multi-step references 1 and 2 and the jog reference selection in the multi-
function digital inputs.
Multi-function Digital Inputs (H1-01 to H1-04)
Parameter
Terminal
Number
S5 H1-03
S6 H1-04
S7 H1-05
Combining Multi-Step Speed References and Multi-Function Digital Inputs
The frequency reference can be changed by combining the ON/OFF status of S4 to S6 (multi-function digital
input terminals). The following table shows the possible combinations.
Terminal S5
Speed
Multi-step Speed
Command 1
1 OFF
2 ON
3 OFF
4 ON
5 –
*1. Terminal S6's jog frequency selection is given priority over multi-step speed commands.
Setting Precautions
When setting analog inputs to step 1 and step 2, observe the following precautions.
• When setting terminal A1's analog input to step 1 set b1-01 to 1, when setting d1-01 (Frequency Reference
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).
Set Value
Multi-step speed command 1 (Also used for master speed/auxiliary speed
3 switching when multi-function analog input H3-09 is set to 2 (auxiliary
frequency reference).)
4 Multi-step speed command 2
6 Jog frequency selection (given priority over multi-step speed command)
Terminal S6 Terminal S7
Multi-step Speed Jog Frequency
Command 2 Selection
OFF OFF
OFF OFF
ON OFF
ON OFF
*1
–
ON
Details
Selected Frequency
Frequency reference 1, d1-01, master speed frequency
Frequency reference 2, d1-02, auxiliary frequency
Frequency reference 3, d1-03
Frequency reference 4, d1-04
Jog frequency d1-17
Frequency Reference
6-7