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Parameter

Details

12.7 H: TERMINALS

SIEPCYEUOQ2V01A Q2V Technical Manual

581

ON : Increases the frequency reference.
OFF : Holds the current frequency reference.

Note:

•

If you set only the Up command or only the Down command, the drive will detect

oPE03 [Multi-Function Input Setting Err]

•

If you set two or more of these functions at the same time, the drive will detect

oPE03

–

Up/Down command

–

Accel/Decel Ramp Hold

–

Reference Sample Hold

–

Offset Frequency 1, 2, 3 addition

–

Up/Down 2 Command

•

The Up/Down command does not function in these conditions:

–

b1-01 = 2, 3 [Freq. Ref. Sel. 1 = Modbus, Option PCB]

–

b1-02 ≠ 1 [Run Comm. Sel 1 ≠ Analog Input]

–

Drive is in LOCAL mode

–

Set to

b1-15 [Freq. Ref. Sel. 2]

by use of

H1-xx = 9 [MFDI Function Select = Ext Ref 1/2]

When you enter the UP command, the frequency reference increases. When you enter the Down command, the
frequency reference decreases.

The Up and Down commands have priority over all other frequency references. When you enable the Up/Down
command, the drive will ignore these frequency references:

•

Frequency reference from Keypad

[b1-01 = 0]

•

Frequency reference from Analog Input

[b1-01 = 1]

•

Frequency reference from Pulse Train Input

[b1-01 = 4]

Table 12.41

shows the Up and Down commands with their operation.

Table 12.41 Up Command and Down Command

Command status

Drive operation

Up Command (62)

Down Command (63)

OFF

Keeps the current frequency reference.

OFF

Increases the frequency reference.

OFF

Decreases the frequency reference.

Keeps the current frequency reference.

Combine Frequency Reference Hold Functions and Up/Down Commands

•

When you clear the Run command or when

d4-01 = 0 [Freq Reference Hold Selection = Disabled]

, and you

restart the drive, the Up/Down command resets to 0.

•

When

d4-01 = 1 [Enabled]

, the drive saves the frequency reference set during the Up/Down command. When

you cycle the Run command or restart the drive, the drive saves the frequency reference value and restarts the
motor at this frequency value. After you clear the Run command, activate the terminal set for the Up command
or Down command to set the saved reference value to 0.

Note:

Refer to

“

d4-01 [Freq Reference Hold Selection]

”

for more information.

Combine Upper/Lower Limits of the Frequency Reference and the Up/Down Commands

Set the upper limit value of the frequency reference to

d2-01 [Frequency Reference Upper Limit]

Use an analog input or

d2-02 [Frequency Reference Lower Limit]

to set the lower limit value of the frequency

reference. The configurable values change when the setting for

d4-10 [Up/Down Freq Lower Limit Select]

changes. When you input a Run command, these are the lower limits of the frequency reference:

•

When the lower limit of the frequency reference is set only for

d2-02

, the drive accelerates the motor to the

lower limit value of the frequency reference when you input the Run command.

•

When the lower limit of the frequency reference is set only for analog input, the drive accelerates the motor to
the lower limit value of the frequency reference when the Run command, and Up command or Down command
for the drive is enabled. When only the Run command is enabled, the motor does not start.

Omron Q2V Series, Technical Manual

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