Mitsubishi FR-A800

(E) Environment setting parameters
PARAMETERS
269
5
GROUP
E
5.7.13 Password function
The above parameters can be set when Pr.160 User group read selection = "0". However, whenPr.2969999(password lock is set),Pr.297can always be set,
regardless of the setting inPr.160
 When Pr.297 = "0, 9999", writing is always enabled, but setting is disabled. (The display cannot be changed.)
Parameter reading/writing restriction level (Pr.296)
• The level of the reading/writing restriction using the PU/Network (NET) operation mode operation command can be
selected with Pr.296.
: Enabled, : Disabled
 If the parameter reading is restricted by the Pr.160 User group read selection setting, those parameters are unavailable for reading even when
"
" is indicated.
 If the parameter writing is restricted by the Pr.77 Parameter write selection setting, those parameters are unavailable for writing even when
"
" is indicated.
 This restricts parameter access from the command source that can write a parameter under the PU operation mode (initially the operation panel
(FR-DU08) or the parameter unit). (For the PU operation mode command source selection, refer to page 316.)
 This restricts parameter access from the command source that can write a parameter under the Network operation mode (initially the RS-485
terminals or a communication option). (For the NET operation mode command source selection, refer to page 316.)
 Read/write is enabled only for the simple mode parameters registered in the user group when Pr.160="9999". Pr.296 and Pr.297 are always
read/write enabled whether registered to a user group or not.
 If a communication option is installed, an option fault Option fault (E.OPT) occurs, and the inverter output shuts off. (Refer to page 657.)
 The PLC function user parameters (Pr.1150 to Pr.1199) can be written and read by the PLC function regardless of the Pr.296 setting.
Registering a password (Pr.296, Pr.297)
• The following section describes how to register a password.
1)Set the parameter reading/writing restriction level. (Pr.296  "9999")
 During Pr.296 = any of "100 to 106, 199", if password unlock error has occurred 5 times, correct password will not unlock the restriction. All
parameter clear can unlock the restriction. (In this case, the parameters are returned to their initial values.)
2)Write a four-digit number (1000 to 9998) in Pr.297 as a password. (Writing is disabled when Pr.296="9999".) When a
password is registered, parameter reading/writing is restricted with the restriction level set in Pr.296 until unlocking.
Registering a 4-digit password can restrict parameter reading/writing.
Pr. Name Initial value Setting range Description
296
E410
Password lock level
9999
0 to 6, 99,
100 to 106, 199
Select restriction level of parameter reading/
writing when a password is registered.
9999 No password lock
297
E411
Password lock/unlock
9999
1000 to 9998 Register a 4-digit password
(0 to 5)

Displays password unlock error count. (Reading
only) (Valid when Pr.296 = "100 to 106, or 199")
9999

No password lock
Pr.296
setting
PU operation mode operation
command

NET operation mode operation command
RS-485 terminals / PLC
function

Communication option
Read Write Read Write Read Write
9999   
0, 100
   
1, 101      
2, 102   
3, 103   
4, 104  
5, 105 
6, 106  
99 to 199
Only the parameters registered in the user group can be read/written.

(For the parameters not registered in the user group, same restriction level as "4, 104" applies.)
Pr.296 setting Password unlock error restriction Pr.297 display
0 to 6, 99 No restriction Always displays 0
100 to 106, 199
 Restricted at fifth error Displays the error count (0 to 5)