Appendix 3
The data link status can be checked with bit data (link special relays: SB) and word data (link special registers: SW).
The SB and SW represent the information in the buffer memory of the L series master/local module, which is used by
reading to the device specified in an automatic refresh parameter.
• Link special relays (SB): Buffer memory addresses 5E0
• Link special registers (SW): Buffer memory addresses 600
Link Special Relays and Registers (SB/SW)
to 5FF
H
H
to 7FF
H
H
APPENDICES
A
409