Basic Operation Procedure (External Operation) - Mitsubishi Electric 800 Series Instruction Manual

Basic operation procedure (External operation)

4.3
Basic operation procedure (External
operation)
POINT POINT
• Where is the frequency command source?
- The frequency set in the frequency setting mode of the operation panel → Refer to 4.3.1. (Refer to
- Switches (multi-speed setting) → Refer to 4.3.2. (Refer to
- Voltage input signals → Refer to 4.3.3. (Refer to
- Current input signals → Refer to 4.3.5. (Refer to
4.3.1
Using the frequency set by the operation panel
POINT POINT
• Switch ON the STF (STR) signal to give a start command.
• Use the operation panel (
• Set Pr.79 ="3" (External/PU combined operation mode 1).
[Connection diagram]
Forward rotation
start
Reverse rotation
start
Switch
Operation example
Changing the operation mode
1.
Set "3" in
Pr.79. [PU+E] indicator is on.
Setting the frequency
2.
Turn to until the target frequency, "30.00 Hz", appears.
Press [SET] to enter the frequency. "Completed" flickers.
Start → acceleration → constant speed
Turn ON the start switch (STF or STR). The frequency value on the indication increases in Pr.7 Acceleration time, and
3.
"30.00 Hz" appears. [FWD] indicator is on during the forward rotation, and [REV] indicator is on during the reverse rotation.
(To change the set frequency, perform the operation in above
Deceleration → stop
4.
Turn OFF the start switch (STF or STR). The frequency value on the indication decreases in Pr.8 Deceleration time, and
the motor stops rotating with "0.00 Hz" displayed.
NOTE
• When both the forward rotation switch (STF) and the reverse rotation switch (STR) are ON, the motor cannot be started. If
both are turned ON while the inverter is running, the inverter decelerates to a stop.
• Pr.178 STF terminal function selection must be set to "60" (or Pr.179 STR terminal function selection must be set to
"61"). (All are initial values.)
• Setting Pr.79 Operation mode selection="3" also enables multi-speed operation.
• If stopped using
([PS] appears on the operation panel.)
To reset the PU stop status, turn OFF the start switch (STF or STR), and then press
86
BASIC OPERATION
) to give a start command.
Inverter
Operation panel
STF
STR
SD
Operate at 30 Hz.
on the operation panel during the External operation, the inverter enters the PU stop status.
page 87.)
page 88.)
page 90.)
Operation
step 2 . The previously set frequency appears.)
page 86.)
. (Refer to page 246)