CHAPTER 2: MODBUS COMMUNICATION MEMORY MAP
UR FAMILY – COMMUNICATIONS GUIDE 2-107
2
" 7141 Ground Distance Zone 1 Quad Right Blinder 
RCA
60 to 90 degrees 1 F001 85
" 7142 Ground Distance Zone 1 Quad Left Blinder 0.02 to 500 ohms 0.01 F001 1000
" 7143 Ground Distance Zone 1 Quad Left Blinder 
RCA
60 to 90 degrees 1 F001 85
" 7144 Ground Distance Zone 1 Z0M Z1 Magnitude 0 to 7 --- 0.01 F001 0
" 7145 Ground Distance Zone 1 Z0M Z1 Angle -90 to 90 degrees 1 F002 0
" 7146 Ground Distance Zone 1 Voltage Level 0 to 5 pu 0.001 F001 0
" 7147 Ground Distance Zone 1 Non-
Homogeneous Angle
-40 to 40 degrees 0.1 F002 0
" 7148 Ground Distance Zone 1 POL Current 0 to 1 --- 1 F521 0 (Zero-seq)
" 7149 Ground Distance Zone 1 Reverse Reach 0.02 to 500 ohms 0.01 F001 200
" 714A Ground Distance Zone 1 Reverse Reach 
RCA
30 to 90 degrees 1 F001 85
" 714B Reserved (7 items) 0 to 65535 --- 1 F001 0
" 7152 ...Repeated for Ground Distance Zone 2
" 7174 ...Repeated for Ground Distance Zone 3
D30, D60, L90, 
T60
7196 ...Repeated for Ground Distance Zone 4
" 71B8 ...Repeated for Ground Distance Zone 5
Line Pickup (Read/Write Grouped Setting)
D30, D60, L60, 
L90
71E0 Line Pickup Function 0 to 1 --- 1 F102 0 (Disabled)
" 71E1 Line Pickup Signal Source 0 to 5 --- 1 F167 0 (SRC 1)
" 71E2 Line Pickup Phase IOC Pickup 0.02 to 30 pu 0.001 F001 1000
" 71E3 Line Pickup UV Pickup 0.004 to 3 pu 0.001 F001 700
" 71E4 Line End Open Pickup Delay 0 to 65.535 s 0.001 F001 150
" 71E5 Line End Open Reset Delay 0 to 65.535 s 0.001 F001 90
" 71E6 Line Pickup OV Pickup Delay 0 to 65.535 s 0.001 F001 40
" 71E7 Autoreclose Coordination Pickup Delay 0 to 65.535 s 0.001 F001 45
" 71E8 Autoreclose Coordination Reset Delay 0 to 65.535 s 0.001 F001 5
" 71E9 Autoreclose Coordination Bypass 0 to 1 --- 1 F102 1 (Enabled)
" 71EA Line Pickup Block 0 to 4294967295 --- 1 F300 0
" 71EC Line Pickup Target 0 to 2 --- 1 F109 0 (Self-reset)
" 71ED Line Pickup Events 0 to 1 --- 1 F102 0 (Disabled)
" 71EE Terminal Open 0 to 4294967295 --- 1 F300 0
" 71F0 Autoreclose Accelerate 0 to 4294967295 --- 1 F300 0
" 71F2 Distance Trip 0 to 1 --- 1 F102 1 (Enabled)
Phase Directional Overcurrent (Read/Write Grouped Setting) (1, 2, or 3 Modules)
B30, C70, D30, 
D60, F60, G30, 
G60, L30, L60, 
L90, M60, N60, 
T60
71FA Phase Directional Overcurrent 1 Function 0 to 1 --- 1 F102 0 (Disabled)
" 71FB Phase Directional Overcurrent 1 Source 0 to 5 --- 1 F167 0 (SRC 1)
" 71FC Phase Directional Overcurrent 1 Block 0 to 4294967295 --- 1 F300 0
" 71FE Phase Directional Overcurrent 1 ECA 0 to 359 --- 1 F001 30
" 71FF Phase Directional Overcurrent 1 Pol V 
Threshold
0.004 to 3 pu 0.001 F001 700
" 7200 Phase Directional Overcurrent 1 Block 
Overcurrent
0 to 1 --- 1 F126 0 (No)
Products Address Register name Range Units Step Format Default