CHAPTER 2: MODBUS COMMUNICATION MEMORY MAP
UR FAMILY – COMMUNICATIONS GUIDE 2-75
2
" 5D55 ...Repeated for Ground Time Overcurrent 6
Ground Instantaneous Overcurrent (Read/Write Grouped Setting) (1, 2, 4, 6, 8, or 12 Modules) 
(B30 has 1 per CT bank for 6 modules, while others have 2 per CT bank for 12 modules) 
B30, C60, C70, 
D30, D60, F35, 
F60, G30, G60, 
L30, L60, L90, 
M60, N60, T35, 
T60
5DA0 Ground Instantaneous Overcurrent 1 
Function
0 to 1 --- 1 F102 0 (Disabled)
" 5DA1 Ground Instantaneous Overcurrent 1 
Signal Source
0 to 5 --- 1 F167 0 (SRC 1)
" 5DA2 Ground Instantaneous Overcurrent 1 
Pickup
0.02 to 30 pu 0.001 F001 1000
" 5DA3 Ground Instantaneous Overcurrent 1 Delay 0 to 600 s 0.01 F001 0
" 5DA4 Ground Instantaneous Overcurrent 1 Reset 
Delay
0 to 600 s 0.01 F001 0
" 5DA5 Ground Instantaneous Overcurrent 1 Block 0 to 4294967295 --- 1 F300 0
" 5DA7 Ground Instantaneous Overcurrent 1 
Target
0 to 2 --- 1 F109 0 (Self-reset)
" 5DA8 Ground Instantaneous Overcurrent 1 
Events
0 to 1 --- 1 F102 0 (Disabled)
" 5DA9 Reserved (8 items) 0 to 1 --- 1 F001 0
B30, C60, C70, 
D30, D60, F35, 
F60, L30, L60, 
L90, M60, N60, 
T35, T60
5DB1 ...Repeated for Ground Instantaneous 
Overcurrent 2
B30, C60, C70, 
D60, F35, F60, 
L30, L60, L90, 
M60, N60, T35, 
T60
5DC2 ...Repeated for Ground Instantaneous 
Overcurrent 3
" 5DD3 ...Repeated for Ground Instantaneous 
Overcurrent 4
B30, C60, C70, 
D60, F35, F60, 
L90, M60, N60, 
T35, T60
5DE4 ...Repeated for Ground Instantaneous 
Overcurrent 5
" 5DF5 ...Repeated for Ground Instantaneous 
Overcurrent 6
C60, C70, F35, 
L90, N60, T35, 
T60
5E06 ...Repeated for Ground Instantaneous 
Overcurrent 7
" 5E17 ...Repeated for Ground Instantaneous 
Overcurrent 8
C70, F35, N60, 
T35, T60
5E28 ...Repeated for Ground Instantaneous 
Overcurrent 9
" 5E39 ...Repeated for Ground Instantaneous 
Overcurrent 10
" 5E4A ...Repeated for Ground Instantaneous 
Overcurrent 11
" 5E5B ...Repeated for Ground Instantaneous 
Overcurrent 12
CT Fail (Read/Write Setting) (2, 4, or 6 Modules)
D30, D60, F60, 
G30, G60, L30, 
L60, L90, M60, 
N60, T35, T60
5E6C CT Fail 1 Function 0 to 1 --- 1 F102 0 (Disabled)
Products Address Register name Range Units Step Format Default