CHAPTER 2: MODBUS COMMUNICATION MEMORY MAP
UR FAMILY – COMMUNICATIONS GUIDE 2-73
2
" 5B11 ...Repeated for Neutral Time Overcurrent 2
B30, C60, C70, 
D30, D60, F35, 
F60, L30, L60, 
L90, M60, N60, 
T60
5B22 ...Repeated for Neutral Time Overcurrent 3
" 5B33 ...Repeated for Neutral Time Overcurrent 4
" 5B44 ...Repeated for Neutral Time Overcurrent 5
" 5B55 ...Repeated for Neutral Time Overcurrent 6
Neutral Instantaneous Overcurrent (Read/Write Grouped Setting) 
(1, 6, or 12 Modules) 
All except B90, 
C30, T35
5C00 Neutral Instantaneous Overcurrent 1 
Function
0 to 1 --- 1 F102 0 (Disabled)
" 5C01 Neutral Instantaneous Overcurrent 1 Signal 
Source
0 to 5 --- 1 F167 0 (SRC 1)
" 5C02 Neutral Instantaneous Overcurrent 1 
Pickup
0.02 to 30 pu 0.001 F001 1000
" 5C03 Neutral Instantaneous Overcurrent 1 Delay 0 to 600 s 0.01 F001 0
" 5C04 Neutral Instantaneous Overcurrent 1 Reset 
Delay
0 to 600 s 0.01 F001 0
" 5C05 Neutral Instantaneous Overcurrent 1 Block 0 to 4294967295 --- 1 F300 0
" 5C07 Neutral Instantaneous Overcurrent 1 
Target
0 to 2 --- 1 F109 0 (Self-reset)
" 5C08 Neutral Instantaneous Overcurrent 1 
Events
0 to 1 --- 1 F102 0 (Disabled)
" 5C09 Reserved (8 items) 0 to 1 --- 1 F001 0
B30, C60, C70, 
D30, D60, F35, 
F60, L30, L60, 
L90, M60, N60, 
T60
5C11 ...Repeated for Neutral Instantaneous 
Overcurrent 2
" 5C22 ...Repeated for Neutral Instantaneous 
Overcurrent 3
" 5C33 ...Repeated for Neutral Instantaneous 
Overcurrent 4
" 5C44 ...Repeated for Neutral Instantaneous 
Overcurrent 5
" 5C55 ...Repeated for Neutral Instantaneous 
Overcurrent 6
C60, C70, D30, 
D60, F35, F60, 
L30, L60, L90, 
M60, N60, T60
5C66 ...Repeated for Neutral Instantaneous 
Overcurrent 7
" 5C77 ...Repeated for Neutral Instantaneous 
Overcurrent 8
" 5C88 ...Repeated for Neutral Instantaneous 
Overcurrent 9
" 5C99 ...Repeated for Neutral Instantaneous 
Overcurrent 10
" 5CAA ...Repeated for Neutral Instantaneous 
Overcurrent 11
" 5CBB ...Repeated for Neutral Instantaneous 
Overcurrent 12
Products Address Register name Range Units Step Format Default