CHAPTER 2: MODBUS COMMUNICATION MEMORY MAP
UR FAMILY – COMMUNICATIONS GUIDE 2-167
2
Clear Records (Read/Write Setting)
B30, C60, D60, 
F35, F60, G60, 
L60, L90, N60, 
T60
C44E Clear Demand Operand 0 to 4294967295 --- 1 F300 0
C60, D30, D60, 
F35, F60, L30, 
L60, L90
C450 Clear Fault Reports Operand 0 to 4294967295 --- 1 F300 0
B30, B90, C70, 
G30, G60, M60, 
N60, T35, T60
C452 Clear User Fault Reports Operand 0 to 4294967295 --- 1 F300 0
All C454 Clear Event Records Operand 0 to 4294967295 --- 1 F300 0
All C456 Clear Oscillography Operand 0 to 4294967295 --- 1 F300 0
All except B90 C458 Clear Data Logger Operand 0 to 4294967295 --- 1 F300 0
B30, C60, C70, 
D30, D60, F35, 
F60, G30, G60, 
L30, L60, L90, 
M60, T35, T60
C45A Clear Breaker 1 Arcing Current Operand 0 to 4294967295 --- 1 F300 0
" C45C Clear Breaker 2 Arcing Current Operand 0 to 4294967295 --- 1 F300 0
B30, C60, C70, 
F35, F60, L90, 
T35, T60
C45E Clear Breaker 3 Arcing Current Operand 0 to 4294967295 --- 1 F300 0
B30, C60, F35, 
F60, L90, T35, 
T60
C460 Clear Breaker 4 Arcing Current Operand 0 to 4294967295 --- 1 F300 0
B30, F35, T35, 
T60
C462 Clear Breaker 5 Arcing Current Operand 0 to 4294967295 --- 1 F300 0
" C464 Clear Breaker 6 Arcing Current Operand 0 to 4294967295 --- 1 F300 0
L30, L90 C466 Clear Channel Tests Status Operand 0 to 4294967295 --- 1 F300 0
B30, C60, D60, 
F35, F60, G30, 
G60, L90, M60, 
N60, T60
C468 Clear Energy Operand 0 to 4294967295 --- 1 F300 0
F60 C46A Clear Hi-Z Records Operand 0 to 4294967295 --- 1 F300 0
All C46C Clear Unauthorized Access Operand 0 to 4294967295 --- 1 F300 0
M60 C46E Clear Start Data Operand 0 to 4294967295 --- 1 F300 0
All except L30, 
L90
C470 Clear Platform Direct Input/Output 
Statistics Operand
0 to 4294967295 --- 1 F300 0
All C472 Reserved (13 items) --- --- --- F001 0
Direct Input/Output Settings (Read/Write Setting)
L30, L90 C500 Direct Input Default States (8 items) 0 to 1 --- 1 F108 0 (Off)
" C508 Direct Input Default States (8 items) 0 to 1 --- 1 F108 0 (Off)
" C510 Direct Output x 1 Operand (8 items) 0 to 4294967295 --- 1 F300 0
" C520 Direct Output x 2 Operand (8 items) 0 to 4294967295 --- 1 F300 0
Platform Direct Outputs (Read/Write Setting) 
(32 or 64 Modules)
All except B90, 
L30, L90
C600 Direct Output 1 Operand 0 to 4294967295 --- 1 F300 0
" C602 Direct Output 1 Events 0 to 1 --- 1 F102 0 (Disabled)
" C603 ...Repeated for Direct Output 2
" C606 ...Repeated for Direct Output 3
" C609 ...Repeated for Direct Output 4
" C60C ...Repeated for Direct Output 5
" C60F ...Repeated for Direct Output 6
Products Address Register name Range Units Step Format Default