2-48 UR FAMILY – COMMUNICATIONS GUIDE
MEMORY MAP CHAPTER 2: MODBUS COMMUNICATION
2
" 3352 Administrator Logoff 0 to 1 --- 1 F126 0 (No)
" 3353 Clear Security Data 0 to 1 --- 1 F126 0 (No)
Security Reserved Modbus Registers (Read/Write)
All 3360 Address 0x3360 reserved for serial login (20 
items)
0 to 9999 --- 1 F001 3
" 3374 Address 0x3374 reserved for serial logout 0 to 9999 --- 1 F001 3
Security Reserved Modbus Registers (Read Only)
All 3375 Address 0x3374 reserved for serial logout 0 to 5 --- 1 F617 3 (Engineer)
Event Recorder (Read Only)
All 3400 Events Since Last Clear 0 to 4294967295 --- 1 F003 0
" 3402 Number of Available Events 0 to 4294967295 --- 1 F003 0
" 3404 Event Recorder Last Cleared Date 0 to 4294967295 --- 1 F050 0
Event Recorder Commands (Read/Write Command)
All 3406 Event Recorder Clear Command 0 to 1 --- 1 F126 0 (No)
Neutral Current Unbalance Commands and Actual Values (Read/Write Unless Noted) (3 Modules)
C70 3410 Neutral Current Unbalance Automatic 
Setting Function
0 to 2 --- 1 F092 0 (Disabled)
" 3411 Neutral Current Unbalance Apply 
Magnitude
0 to 1 --- 1 F126 0 (No)
" 3412 Neutral Current Unbalance Apply Angle 0 to 1 --- 1 F126 0 (No)
" 3413 Neutral Current Unbalance Apply 
Magnitude Actual Value (Read Only)
0 to 0.15 --- 0.000
1
F003 0
" 3415 Neutral Current Unbalance Apply Angle 
Actual Value (Read Only)
0 to 359 degrees 1 F003 0
" 3417 ...Repeated for Neutral Current Unbalance 
2
" 341E ...Repeated for Neutral Current Unbalance 
3
Neutral Voltage Unbalance Commands and Actual Values (Read/Write Unless Noted) (3 Modules)
C70 3430 Neutral Voltage Unbalance Automatic 
Setting Function
0 to 2 --- 1 F092 0 (Disabled)
" 3431 Neutral Voltage Unbalance 59NU XA/XB 
Ratio Actual Value (Read Only)
0 to 9.9999 --- 0.000
1
F003 0
" 3433 Neutral Voltage Unbalance Auto-set XA/XB 
Ratio
0 to 1 --- 1 F126 0 (No)
" 3434 Neutral Voltage Unbalance 59NU XA/XC 
Ratio Actual Value (Read Only)
0 to 9.9999 --- 0.000
1
F003 0
" 3436 Neutral Voltage Unbalance Auto-set XA/XC 
Ratio
0 to 1 --- 1 F126 0 (No)
" 3437 ...Repeated for Neutral Voltage Unbalance 
2
" 343E ...Repeated for Neutral Voltage Unbalance 
3
Phase Current Unbalance Commands and Actual Values (Read/Write Unless Noted) (3 Modules)
C70 3450 Phase Current Unbalance Automatic 
Setting Function
0 to 2 --- 1 F092 0 (Disabled)
" 3451 Phase Current Unbalance Ka Actual Value 
(Read Only)
–0.1 to 0.1 --- 0.000
1
F004 0
" 3453 Phase Current Unbalance Auto-set Ka 0 to 1 --- 1 F126 0 (No)
" 3454 Phase Current Unbalance Kb Actual Value 
(Read Only)
–0.1 to 0.1 --- 0.000
1
F004 0
" 3456 Phase Current Unbalance Auto-set Kb 0 to 1 --- 1 F126 0 (No)
Products Address Register name Range Units Step Format Default