Main Speed Setting; Input Method Of Main Speed Command (Pr. 732) - Mitsubishi Electric FR-A700-A1 Instruction Manual

3.9 Main speed setting

3.9.1

Input method of main speed command (Pr. 732)

Pr.732
0 (initial value) Follows the frequency command
1 Terminal JOG Single-phase pulse train input
2 FR-A7AP/FR-A7AL Encoder pulse train input
3 Terminal 2 (0 to 100%)
4 Terminal 4 (0 to 100%)
5 Terminal 1(-100 to 100%)
6 FR-A7AZ Terminal 6(-100 to 100%)
7 FR-A7AL Single-phase pulse train input
Setting of main speed is same as the setting at normal operation.
Operation mode
External operation
External/PU combined operation
(mode 1)
PU/external combined operation
(mode 2)
Network operation
(Pr. 339 = "0" network)
Network operation
(Pr. 339 = "1" external)
PU operation
• Main speed changes by the priorities of above operation modes. (JOG signal > X83 signal > multi-speed setting > X14
signal > analog input)
However, the input method selected for line speed is not available for main speed command.
• Dancer control is not disabled with input of multi-speed.
However, dancer control/winding diameter compensation function is disabled by the input of Jog operation
(JOG signal).
• Main rotation speed selection is only enabled when Pr. 128 = "40 or 41".
• Terminal 4 input compensation is enabled when Pr. 785 = "1".
• The terminal 1 is used for frequency compensation inputs during normal operation. To use analog inputs for the
normal operation, which is often switched over to the dancer control operation, disable the function of the terminal 1
by setting "9999 (no function)" in Pr. 868 Terminal 1 function assignment.
• To switch between dancer control operation and normal operation during operation, leave 20ms or more for the
initialization of dancer control/winding diameter compensation as shown in the following chart.
Dancer/tension
control selection (X83)
Start signal
Output frequency
Inverter running
Input terminal
Pulse train input Terminal JOG (single-phase pulse train input) + terminal 4 (compensation)
Digital input FR-A7AX (digital input) + terminal 4 (compensation)
Multi-speed + terminal 4 (compensation)
Analog input (terminal 2 + terminal 4 (compensation))
Multi-speed + terminal 4 (compensation)
PU operation (frequency) + terminal 4 (compensation)
Pulse train input Terminal JOG (single-phase pulse train input) + terminal 4 (compensation)
Digital input FR-A7AX (digital input) + terminal 4 (compensation)
Multi-speed + terminal 4 (compensation)
Analog input (terminal 2 + terminal 4 (compensation))
Network operation (terminal) + terminal 4 (compensation)
Network operation (rotation speed setting) + terminal 4 (compensation)
Pulse train input Terminal JOG (single-phase pulse train input) + terminal 4 (compensation)
Digital input FR-A7AX (digital input) + terminal 4 (compensation)
Multi-speed + terminal 4 (compensation)
Analog input (terminal 2 + terminal 4 (compensation))
PU operation (frequency) + terminal 4 (compensation)
Normal control
(STF/STR)
20ms
(RUN)
Pr. 291 must be set.
Calibrated with Pr. 125 and C2 to C4
Calibrated with Pr. 126 and C5 to C7
Calibrated with Pr. 125 and C2 to C4
Calibrated with C30 to C33
Rotation speed selection
Dancer control
ON
ON
ON
20ms

Main speed setting

Remarks
Normal control
3
43