Special relay SM special relay is M8000 ~ M8511 FX3U series, can view the status of PLC controller
, the clock pulse, the communication status, location information, you can set the state of PLC controller, communication change location Settings, and so on special function.
In FX5U special relay to SM, part of the function the same as the Q series special relay, example: SM400 normally closed contact, features compatible FX3U series, example: SM8029 task to complete sign Q series, series of special relay is SM0 ~ SM2047, can view the status of PLC
, clock, alarm can be reset, CPU error code, etc. , but there are still some communication state and location information can not query to the intelligent module, through the module parameters set in SB and SW view special register SD special register is D8000 ~ D8511 FX3U series, you can view or set the state of PLC, clock, communication mode, positioning and other special functions.
FX5U special register to SD series PLC, part of the function the same as the Q series, example: SD0 store CPU error code, some special register compatible FX3U series, example: SD8340 Y0 pulse total Q series special relay is SD0 ~ SD2047 series, you can view or set the state of the CPU, clock and so on, but the positioning, communication and other information cannot be set up, by setting the module parameter Settings SW to view system information latch relay L default by M500 above for the power of FX3U PLC type (
Model is not the same number will be different)
Q series of M type reset power, power to keep the auxiliary relay function, you can use the latch relay latches latch relay L was conducted by CPU module ontology of battery, when the battery is damaged, cannot be latched after blackout.
can be cleared through external reset switch or software
latched information alarm F series FX3U PLC by S900 ~ S999 alarm relay function, cooperate with the alarm setting instruction ANS M8049 (
And M8048 (
And alarm reset instruction ANR, can easily realize the alarm system.
Q series PLC is implemented using F0 ~ F2023 alarm relay function, no alarm setting instructions, instead of using the SET start alarm relay, RST reset alarm relay, OUT automatic reset alarm, LEDR alarm reset instruction.
When any alarm, SM62 (
Automatically closed, can query SD62 can know alarm alarm number first, reading SD63 can know the number of alarm, the use of SD64 ~ SD79 can do simple alarm record links relay B FX3U communication series PLC in the control layer, the general use of N: N network, through the M1000 ~ M1511 and D0 ~ D77 and from the station to communicate, here to take up a certain number of M for a type of data exchange Q series PLC control layer communication network can take advantage of the H, etc, but I don't like FX series takes up M to implement the data exchange, through the relay link B to achieve a type of data exchange special relay link SB special FX3U PLC relay M8000 ~ M8511 can be used to determine the communication status, such as in the N: N network through special relay M8184 status, whether from station 1 communication success Q series PLC is the realization of communication state using special relay link SB, such as in H network communication, from standing by SB70 state judge whether there is a communication failure.
link register W FX3U communication series PLC in the control layer, the general use of N: N network, through the M1000 ~ M1511 and D0 ~ D77 and from the station to communicate, here to take up a certain number of D type data exchange Q series PLC control layer communication network can take advantage of the H, etc, but I don't like FX series takes up D to realize data exchange, through the link register W type data exchange link special register SW series of FX3U PLC through special register D8000 ~ D8511 view communication state, such as in the N: N network through special register D8173 values to determine if the machine has been set station number Q series PLC is using special register SW communication link state judgment, such as in H network communication, through SW42 set the value judgment of the upper machine station number
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