CHAPTER 2: MODBUS COMMUNICATION MEMORY MAP
UR FAMILY – COMMUNICATIONS GUIDE 2-161
2
IEC 61850 XSWI Configuration (Read/Write Command) (24 Modules)
All except B90 B256 Command to Clear XSWI OpCnt (Operation 
Counter)
0 to 1 --- 1 F126 0 (No)
Wattmetric Ground Fault Settings (Read/Write Grouped) (2 or 4 Modules)
D30, D60, F35, 
F60, L60, L90
B300 Wattmetric Ground Fault 1 Function 0 to 1 --- 1 F102 0 (Disabled)
" B301 Wattmetric Ground Fault 1 Source 0 to 5 --- 1 F167 0 (SRC 1)
" B302 Wattmetric Ground Fault 1 Voltage 0 to 1 --- 1 F234 0 
(Calculated 
VN)
" B303 Wattmetric Ground Fault 1 Overvoltage 
Pickup
0.02 to 3 pu 0.01 F001 20
" B304 Wattmetric Ground Fault 1 Current 0 to 1 --- 1 F235 0 
(Calculated 
IN)
" B305 Wattmetric Ground Fault 1 Overcurrent 
Pickup
0.002 to 30 pu 0.001 F001 60
" B306 Wattmetric Ground Fault 1 Overcurrent 
Pickup Delay
0 to 600 s 0.01 F001 20
" B307 Wattmetric Ground Fault 1 Power Pickup 0.001 to 1.2 pu 0.001 F001 100
" B308 Wattmetric Ground Fault 1 ECA 0 to 360 ° Lag 1 F001 0
" B309 Wattmetric Ground Fault 1 Power Pickup 
Delay
0 to 600 s 0.01 F001 20
" B30A Wattmetric Ground Fault 1 Curve 0 to 5 --- 1 F236 0 (Definite 
Time)
" B30B Wattmetric Ground Fault 1 Multiplier 0.01 to 2 s 0.01 F001 100
" B30C Wattmetric Ground Fault 1 Block 0 to 4294967295 --- 1 F300 0
" B30E Wattmetric Ground Fault 1 Target 0 to 2 --- 1 F109 0 (Self-reset)
" B30F Wattmetric Ground Fault 1 Events 0 to 1 --- 1 F102 0 (Disabled)
" B310 Wattmetric Ground Fault 1 Reference 
Power
0.001 to 1.2 pu 0.001 F001 500
" B311 Wattmetric Ground Fault 1 Reserved 0 to 1 --- 1 F001 0
" B312 ...Repeated for Wattmetric Ground Fault 2
F35 B324 ...Repeated for Wattmetric Ground Fault 3
" B336 ...Repeated for Wattmetric Ground Fault 4
Wattmetric Ground Fault Actual Values (Read Only) (2 or 4 Modules)
D30, D60, F35, 
F60, L60, L90
B360 Wattmetric Ground Fault 1 Operating 
Power
0 to 999999.999 W 0.001 F060 0
" B362 ...Repeated for Wattmetric Ground Fault 2
F35 B364 ...Repeated for Wattmetric Ground Fault 3
" B366 ...Repeated for Wattmetric Ground Fault 4
IEC 61850 GGIO1 Configuration Settings (Read/Write Setting)
All B400 Number of Status Indications in GGIO1 8 to 128 --- 8 F001 8
" B402 IEC 61850 GGIO1 Indication FlexLogic 
operands (128 items)
0 to 4294967295 --- 1 F300 0
Contact Input Thresholds (Read/Write Setting)
All B982 Contact Input x Threshold (48 items) 0 to 3 --- 1 F128 2 (84 Vdc)
Virtual Inputs (Read/Write Setting) (64 Modules)
All B9B2 Virtual Input 1 Function 0 to 1 --- 1 F102 0 (Disabled)
" B9B3 Virtual Input 1 Name --- --- --- F636 “Virt Ip 1“
" B9BD Virtual Input 1 Programmed Type 0 to 1 --- 1 F127 0 (Latched)
Products Address Register name Range Units Step Format Default