Specifications

Table Of Contents
III PLC Devices
Special Relay/Register Signals
III - 112
Device abbrev. Signal name
SM120 Cyclic transmission receive error detection flag
SM121 Cyclic transmission receive error detection counter valid flag
SM122
SM123
SM124
SM125
SM126
SM127
Device abbrev. Signal name Device abbrev. Signal name
SM240 CPU No. 1 reset flag (same as SM112)
SM241 CPU No. 2 reset flag (same as SM113)
SM242 CPU No. 3 reset flag (same as SM114) SM412 1-second clock (same as SM38)
SM243 CPU No. 4 reset flag (same as SM115)
SM244 CPU No. 1 error flag (same as SM116)
SM245 CPU No. 2 error flag (same as SM117)
SM246 CPU No. 3 error flag (same as SM118)
SM247 CPU No. 4 error flag (same as SM119)