IDEC High Performance Series - Manual (Page 174)

Chapter 2
156
External Device Setup Manual
3.5 Usable Devices
3.5.1 SYSMAC-C (when the PLC type setting is SYSMAC-C Series)
Bit Device
Device Name Device Symbol Address Range Read
/Write Address
Gradual
MICRO/I PLC
Input/Output Internal Relay R CIO 0 - 99915,
120000 - 614315
R/W
Link Relay LR LR 0 - 19915 R/W
Holding Relay HR HR 0 - 51115 R/W
Auxiliary Memory
Relay
AR AR 0 - 95915 R
Timer (contact) TIMC TC 0 - 2047 R
Counter (contact) CNTC TC 0 - 4095 R
Word Device
Device Name Device Symbol Address Range Read
/Write Address
Gradual
MICRO/I PLC
Input/Output Internal Relay WR CIO 0 - 999, 1200 - 6143 R/W
Link Relay WLR LR 0 - 199 R/W
Holding Relay WHR HR 0 - 511 R/W
Auxiliary Memory Relay WAR AR 0 - 959 R
Timer (current value) TIMN TC 0 - 2047 R
Counter (current value) CNTN TC 0 - 4095 R
Data Memory DM DM 0 - 9999 R/W
Important points to note regarding setting performing Bit Write operations.
With a Bit Write operation, the word data is first read from the PLC, and a logic operation (AND or OR) is performed on
the relevant bit before writing it to the PLC to ensure that the values of other bits in the same channel are preserved. How-
ever, be certain that the PLC does not modify the data in the channel during the time that the MICRO/I is writing the data.