YOKOGAWA UM33A - Key Lock; Setting Display;Non-Display of Operation Display; Prohibiting Writing Via Communication

12-15
IM 05P03D21-01EN
12.3.4 KeyLock
Description
The key lock function locks the key on the front panel to prohibit key operation.
It can prohibit the operation mode switch or parameter setting change.
SettingDetails
Parameter
symbol
Name
Display
level
Settingrange Menusymbol
DATA
Front panel parameter data
key lock
STD
OFF: Unlock
ON: Lock
(when Operation
Display only)
KLOCK
12.3.5 SettingDisplay/Non-displayofOperationDisplay
Description
Display/non-display of the Operation Display can be set.
► Operation Display: Chapter 6 Monitoring of Regular Operations
SettingDetails
Parameter
symbol
Name
Display
level
Settingrange Menusymbol
U.PV PV Analog Input Display lock PRO
OFF: Display
ON: Nondisplay
KLOC
12.3.6 Prohibiting Writing via Communication
Description
Writing data to each register via all communication methods can be permitted or
prohibited. However, writing data via light-loader (front) or maintenance port (side) is
possible using LL50A Parameter Setting Software.
SettingDetails
Parameter
symbol
Name
Display
level
Settingrange Menusymbol
COM.W
Communication write enable/
disable
STD
OFF: Enable
ON: Disable
KLOC
Displayed only in cases where the communication is specified.
Display, Key, and Security Functions
12
12.3SettingSecurityFunctions