2-170 UR FAMILY – COMMUNICATIONS GUIDE
MEMORY MAP CHAPTER 2: MODBUS COMMUNICATION
2
" C938 ...Repeated for Direct Input 43
" C93C ...Repeated for Direct Input 44
" C940 ...Repeated for Direct Input 45
" C944 ...Repeated for Direct Input 46
" C948 ...Repeated for Direct Input 47
" C94C ...Repeated for Direct Input 48
" C950 ...Repeated for Direct Input 49
" C954 ...Repeated for Direct Input 50
" C958 ...Repeated for Direct Input 51
" C95C ...Repeated for Direct Input 52
" C960 ...Repeated for Direct Input 53
" C964 ...Repeated for Direct Input 54
" C968 ...Repeated for Direct Input 55
" C96C ...Repeated for Direct Input 56
" C970 ...Repeated for Direct Input 57
" C974 ...Repeated for Direct Input 58
" C978 ...Repeated for Direct Input 59
" C97C ...Repeated for Direct Input 60
" C980 ...Repeated for Direct Input 61
" C984 ...Repeated for Direct Input 62
" C988 ...Repeated for Direct Input 63
" C98C ...Repeated for Direct Input 64
Direct Input/Output Alarms (Read/Write Setting)
All except L30, 
L90
CAD0 Direct Input/Output Channel 1 CRC Alarm 
Function
0 to 1 --- 1 F102 0 (Disabled)
" CAD1 Direct Input/Output Channel 1 CRC Alarm 
Message Count
100 to 10000 --- 1 F001 600
" CAD2 Direct Input/Output Channel 1 CRC Alarm 
Threshold
1 to 1000 --- 1 F001 10
" CAD3 Direct Input/Output Channel 1 CRC Alarm 
Events
0 to 1 --- 1 F102 0 (Disabled)
" CAD4 Reserved (4 items) 1 to 1000 --- 1 F001 10
" CAD8 Direct Input/Output Channel 2 CRC Alarm 
Function
0 to 1 --- 1 F102 0 (Disabled)
" CAD9 Direct Input/Output Channel 2 CRC Alarm 
Message Count
100 to 10000 --- 1 F001 600
" CADA Direct Input/Output Channel 2 CRC Alarm 
Threshold
1 to 1000 --- 1 F001 10
" CADB Direct Input/Output Channel 2 CRC Alarm 
Events
0 to 1 --- 1 F102 0 (Disabled)
" CADC Reserved (4 items) 1 to 1000 --- 1 F001 10
" CAE0 Direct Input/Output Channel 1 Unreturned 
Messages Alarm Function
0 to 1 --- 1 F102 0 (Disabled)
" CAE1 Direct Input/Output Channel 1 Unreturned 
Messages Alarm Msg Count
100 to 10000 --- 1 F001 600
" CAE2 Direct Input/Output Channel 1 Unreturned 
Messages Alarm Threshold
1 to 1000 --- 1 F001 10
" CAE3 Direct Input/Output Channel 1 Unreturned 
Messages Alarm Events
0 to 1 --- 1 F102 0 (Disabled)
" CAE4 Reserved (4 items) 1 to 1000 --- 1 F001 10
Products Address Register name Range Units Step Format Default