CHAPTER 2: MODBUS COMMUNICATION MEMORY MAP
UR FAMILY – COMMUNICATIONS GUIDE 2-143
2
" 9D54 Neutral Voltage Unbalance 1 Ground 0 to 1 --- 1 F255 0 (VT 
(ungrnd))
" 9D55 Neutral Voltage Unbalance 1 AB Ratio 0.75 to 1.25 --- 0.000
1
F001 10000
" 9D56 Neutral Voltage Unbalance 1 AC Ratio 0.75 to 1.25 --- 0.000
1
F001 10000
" 9D57 Neutral Voltage Unbalance 1 Stage 1 
Pickup
0.001 to 1 pu 0.001 F001 10
" 9D58 Neutral Voltage Unbalance 1 Stage 1 Slope 0 to 10 % 0.1 F001 0
" 9D59 Neutral Voltage Unbalance 1 Stage 2 
Pickup
0.001 to 1 pu 0.001 F001 20
" 9D5A Neutral Voltage Unbalance 1 Stage 2 Slope 0 to 10 % 0.1 F001 0
" 9D5B Neutral Voltage Unbalance 1 Stage 3 
Pickup
0.001 to 1 pu 0.001 F001 20
" 9D5C Neutral Voltage Unbalance 1 Stage 3 Slope 0 to 10 % 0.1 F001 50
" 9D5D Neutral Voltage Unbalance 1 Stage 4 
Pickup
0.001 to 1 pu 0.001 F001 30
" 9D5E Neutral Voltage Unbalance 1 Stage 4 Slope 0 to 10 % 0.1 F001 50
" 9D5F Neutral Voltage Unbalance 1 Stage 1 
Pickup Delay
0 to 600 s 0.01 F001 3000
" 9D60 Neutral Voltage Unbalance 1 Stage 2 
Pickup Delay
0 to 600 s 0.01 F001 1000
" 9D61 Neutral Voltage Unbalance 1 Stage 3 
Pickup Delay
0 to 600 s 0.01 F001 100
" 9D62 Neutral Voltage Unbalance 1 Stage 4 
Pickup Delay
0 to 600 s 0.01 F001 20
" 9D63 Neutral Voltage Unbalance 1 Dropout 
Delay
0 to 600 s 0.01 F001 25
" 9D64 Neutral Voltage Unbalance 1 Stage 1 Block 0 to 4294967295 --- 1 F300 0
" 9D66 Neutral Voltage Unbalance 1 Stage 2 Block 0 to 4294967295 --- 1 F300 0
" 9D68 Neutral Voltage Unbalance 1 Stage 3 Block 0 to 4294967295 --- 1 F300 0
" 9D6A Neutral Voltage Unbalance 1 Stage 4 Block 0 to 4294967295 --- 1 F300 0
" 9D6C Neutral Voltage Unbalance 1 Target 0 to 2 --- 1 F109 0 (Self-Reset)
" 9D6D Neutral Voltage Unbalance 1 Events 0 to 1 --- 1 F102 0 (Disabled)
" 9D6E ...Repeated for Neutral Voltage Unbalance 
2
" 9D8C ...Repeated for Neutral Voltage Unbalance 
3
Phase Current Unbalance Settings (Read/Write Grouped Setting) (3 Modules)
C70 9DC0 Phase Current Unbalance 1 Function 0 to 1 --- 1 F102 0 (Disabled)
" 9DC1 Phase Current Unbalance 1 Differential 
Source
0 to 5 --- 1 F167 0 (SRC 1)
" 9DC2 Phase Current Unbalance 1 Bank Source 0 to 5 --- 1 F167 0 (SRC 1)
" 9DC3 Phase Current Unbalance 1 Inherent Factor 
A
–0.1 to 0.1 --- 0.000
1
F002 0
" 9DC4 Phase Current Unbalance 1 Inherent Factor 
B
–0.1 to 0.1 --- 0.000
1
F002 0
" 9DC5 Phase Current Unbalance 1 Inherent Factor 
C
–0.1 to 0.1 --- 0.000
1
F002 0
" 9DC6 Phase Current Unbalance 1 Stage 1A 
Pickup
0.001 to 5 pu 0.001 F001 20
" 9DC7 Phase Current Unbalance 1 Stage 2A 
Pickup
0.001 to 5 pu 0.001 F001 30
Products Address Register name Range Units Step Format Default