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Operation Mode Selection (pr. 79) - Mitsubishi Electric FR-A500 Instruction Manual

Transistorized inverter.
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4.2.36 Operation mode selection (Pr. 79)

Pr. 79 "operation mode selection"
Used to select the operation mode of the inverter.
You can choose any of the operation modes: operation using external signals (external operation), operation from the
PU (FR-DU04/FR-PU04) (PU operation), combination of PU operation and external operation (external/PU combined
operation), and computer link operation (when used with the communication option such as the FR-A5NR).
Parameter
Factory
Number
Setting
79
0
<Setting>
Pr. 79 Setting
External operation mode at power-on
0
PU or external operation can be selected.
1
PU operation mode.
2
External operation mode
External/PU combined operation mode 1
Running frequency ........ Set from the PU (FR-DU04/FR-PU04) (direct setting,
3
Start signal ..................... External signal input (terminal STF, STR)
External/PU combined operation mode 2
Running frequency ........ External signal input (terminal 2, 4, 1, jog, multi-speed selection)
4
Start signal ..................... Input from the PU (FR-DU04/FR-PU04) (
Programmed operation mode
You can set 10 different operation starting times, rotation directions and running frequencies for each of three
5
groups.
Operation start. .............. STF, timer reset. ............ STR
Group selection ............. RH, RM, RL
Switchover mode
6
Switchover between PU operation, external operation and computer link operation (when the communication
option such as the FR-A5NR is used) modes can be done while running.
External operation mode (PU operation interlock)
7
X12 signal ON ............... May be switched to PU operation mode (output stop during external operation)
X12 signal OFF.............. Switching to PU operation mode inhibited
Switching to other than external operation mode (disallowed during operation)
8
X16 signal ON .............. Switched to external operation mode
X16 signal OFF.............. Switched to PU operation mode
Note: 1. Either "3" or "4" may be set to select the PU/external combined operation. These settings differ in
starting method.
2. Stop function (PU stop selection ) by
when shipped from the factory. (Refer to page 106)
(1) Programmed operation
With this function, you can set 10 different operation starting times, rotation directions and running frequencies
individually for each of selected three groups to perform automatic operation under the control of the internal elapsed
time counting timer. For more detailed information of this function, refer to the explanations of Pr. 200 to Pr. 231.
Setting Range
0 to 8
Function
signal input (multi-speed setting only)
STOP
of the FR-DU04 / FR-PU04 is valid in any mode
RESET
111
PARAMETERS
Related parameters
Pr. 15 "job frequency"
Pr. 4 to Pr. 6, Pr. 24 to 27, Pr.232 to
Pr.239
(multi-speed operation)
Pr. 75 "reset selection/disconnected
PU detection/PU stop selection."
Pr. 76 "alarm code output selection"
Pr. 180 to Pr.186
(input terminal function selection)
Pr. 200 to Pr. 231
(programmed operation)
key) or external
key,
key)
FWD
REV
4

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