Note: 1.The ELC-MEMORY only can be inserted into the RS232 port ( programming port) of EXM series CPU.
2.If this function block is working ,the RS232 port ( programming port) will be occupied ,some data will
be being transferred , if you want to use the programming port for some purposes (for example download or
upload program) , you must make sure the Trg pin of this block keeps at Low status or stop the CPU by panel
key.
6.5.38 Memory Read
Short Description
Only when there is a low to high trigger at Trg pin, the Memory Read block will be
activated once and x-Messenger CPU will read correlative data (bit or short) to set
pre-configured register from the file in the SD card of ELC-MEMORY module, at the same
time the output will switch on if the read action had been done successfully.
Only when there is a low to high trigger at Trg pin, the Memory
Read block will be activated and x-Messenger CPU will read some
data (bit or short) to set pre-configured register from the file in the
SD card of ELC-MEMORY module. Each trigger, only write once.
Reset the Memory Read block and set the output to 0 via the R
(Reset) input.
Reset has priority over Trg
Q switches on only after the Read function had been executed
correctly, provided.
Description of Memory write block’s property dialog box:
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