Omron M1 Series User Manual page 566

7 Other Functions
7-7
Digital Operator and Operation Func-
tions
This section describes the Digital Operator and other operation functions.
7-7-1
Soft Lock Function (SFT)
Use this function to protect various parameter settings against changes. This helps prevent data re-
writing due to erroneous operation.
Allocate "19: SFT (Soft lock)" to input terminals [DI1] to [DI7] (E01 to E05, E98, E99).
Parameter No.
F00
E01 to E05, E98,
E99
• Operation is performed as described below depending on the combination of Operator Protection
Function Selection (F00) and SFT.
• Parameters via communication can be changed regardless of the setting of Operator Protection
Function Selection (F00).
F00 data
0
1
2
3
-
*1. While parameters cannot be changed from the Digital Operator, parameter F00 can be changed.
*2. Changing of the following that can be changed to Operator (increment key/decrement key) can be set to
prohibited.
When "Operator (increment key/decrement key)" is selected at Frequency Reference (F01/C30), Frequency
Calculation Operation Target 1 (E131), Frequency Calculation Operation Target 2 (E132) and PID Control
PID Command Selection (J02).
• If changing of the parameter set values is prohibited by the soft lock function, they cannot be initial-
ized from the Digital Operator. To execute initialization, first disable prohibition of changing the
7-74
Function name
Operator Protection Func-
tion Selection
Input Terminal [DI1] Func-
tion Selection to Input Ter-
minal [DI7] Function Selec-
tion
SFT terminal ("19: SFT (Soft
lock)")
ON or not allocated
ON or not allocated
ON or not allocated
ON or not allocated
OFF
Data
0 to 3
0: Disable parameter protection, ena-
ble Up/Down keys
1: Enable parameter protection, ena-
ble Up/Down keys
2: Disable parameter protection, dis-
able Up/Down keys
3: Enable parameter protection, disa-
ble Up/Down keys
19: SFT (Soft lock)
Change of parameter data
Possible
*1
Not possible
Possible
*1
Not possible
Not possible
M1 Series Standard Type User's Manual (I669)
Default da-
Unit
ta
0 -
- -
Change of set frequency by
Operator (increment key/
*2
decrement key)
Possible
Possible
Not possible
Not possible
According to the setting of
F00.