CHAPTER 2: MODBUS COMMUNICATION MEMORY MAP
UR FAMILY – COMMUNICATIONS GUIDE 2-167
2
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
" C612 ...Repeated for Direct Output 7
" C615 ...Repeated for Direct Output 8
" C618 ...Repeated for Direct Output 9
" C61B ...Repeated for Direct Output 10
" C61E ...Repeated for Direct Output 11
" C621 ...Repeated for Direct Output 12
" C624 ...Repeated for Direct Output 13
" C627 ...Repeated for Direct Output 14
" C62A ...Repeated for Direct Output 15
" C62D ...Repeated for Direct Output 16
" C630 ...Repeated for Direct Output 17
" C633 ...Repeated for Direct Output 18
" C636 ...Repeated for Direct Output 19
" C639 ...Repeated for Direct Output 20
" C63C ...Repeated for Direct Output 21
" C63F ...Repeated for Direct Output 22
" C642 ...Repeated for Direct Output 23
" C645 ...Repeated for Direct Output 24
" C648 ...Repeated for Direct Output 25
" C64B ...Repeated for Direct Output 26
" C64E ...Repeated for Direct Output 27
" C651 ...Repeated for Direct Output 28
" C654 ...Repeated for Direct Output 29
" C657 ...Repeated for Direct Output 30
" C65A ...Repeated for Direct Output 31
" C65D ...Repeated for Direct Output 32
C30, N60 C660 ...Repeated for Direct Output 33
" C663 ...Repeated for Direct Output 34
" C666 ...Repeated for Direct Output 35
" C669 ...Repeated for Direct Output 36
Products Address Register name Range Units Step Format Default