R_STS = 1 means 'send buffer overflow' detected by the general-purpose communication module. Check the communication format, communication interval and other... Show Detail
In a CPU redundant system, how can I update a program while the system is running?
Refer to the following How-to Guide, which describes how to update a program while a redundant system is running. MICREX SX How-to Guide 'How to Change Prog... Show Detail
With a general-purpose communication module, is RS232C completely full duplex?
It is full duplex for both hardware and software (firmware) for anything other than communication by M_RECEIVE and M_SEND on the SX bus, which are FB interna... Show Detail
The total extension of the SX bus has exceeded 25 m. Is there anything to relay the connection?
The bus can be extended with the SX bus electrical repeater (Type_ NP2L-RP1). Up to three repeaters can be used in one system. (When three repeaters are us... Show Detail
I use the Ethernet module (Type_NP1L-ET1). Is the IP address assigned automatically?
The IP address is not assigned automatically. (DHCP function is not supported.) The default IP address is '192.168.0.1'. You can check the IP address b... Show Detail
The received data is cleared to 0. Therefore, be sure not to read (ignore) the data by application program. Reopening the FB (turning the 'OPEN' terminal fro... Show Detail
While NP1F-HC2 requires an external power supply of 5 V DC, NP1F-HC8 produces 5 V DC within the module from an external 24 V DC power supply and does not req... Show Detail
It enables reception only when CD (Carrier Detection) is ON. (Other operations are the same as those in the DTE mode.) Show Detail
You don't need a dedicated cable. Since the parameters will be set via the CPU module, you need a loader cable for the PLC and the program loader software. Show Detail
Yes, it is possible. Of the parameter setting items of initialization, changes made to specific parameter items (such as frame detection, code conversion and... Show Detail
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