MITSUBISHI ELECTRIC FR-S520 - Manual (Page 141)

132
<Setting>
n10
Setting Pr. 79
Operation Mode
Mode at Power-On or at Power Restoration
after Instantaneous Power Failure
0 PU or external operation Placed in the external operation mode.
1 PU operation Placed in the PU operation mode.
2 External operation Placed in the external operation mode.
3
External/PU combined
operation mode
The running frequency is given in the PU
operation mode and the start signal in the
external operation mode.
4
External/PU combined
operation mode
The running frequency is given in the external
operation mode and the start signal in the PU
operation mode.
7 External operation mode
MRS signal ON .....Can be switched to PU
operation mode.
(Output stop during
external operation)
MRS signal OFF ...Switching to PU operation
mode inhibited.
0
(Factory
setting)
8
External/PU combined
operation mode
X16 signal ON .......Switched to external
operation mode.
X16 signal OFF .....Switched to PU operation
mode.
0 Computer link operation
Disabled when PU is selected. Enabled when
external is selected.
1 PU operation only Disabled
2 Computer link operation Enabled
3
External/PU combined
operation
Disabled
4
External/PU combined
operation
Disabled
7
External operation (PU
operation interlock) Enabled only for external operation when the
PU interlock signal (MRS) is ON.
1
8
PU or external (signal
switching)
Enabled only for external operation (X16: ON).
n10 can be changed independently of the operation mode of the operation panel.
Setting of n10 = "1" is made valid when "0" or "2" is set in Pr. 79 "operation mode
selection".
Refer to to (page 118)
2
.14.4 E
2
PROM write selection
You can choose whether the parameters are stored into E
2
PROM or not at the
parameter setting for computer communication.
Parameter Name
Factory
Setting
Setting
Range
Remarks
n12 (342)
E 2 PROM write
selection
0 0, 1
0: Written to RAM and E
2
PROM
1: Written to RAM only
Not written to E
2
PROM*
Setting is enabled when Pr. 30 = "1"
The parameter number in parentheses is the one for use of the parameter unit (FR-PU04).
* When reset is performed, the parameter value will be the value of E
2
PROM.