I want to relay the SX bus optical cable. Is it possible?

Yes, it is possible. Note that one relay causes attenuation of about 1 dB. The allowable attenuation is 7 dB in total. Careful consideration is required be... Show Detail

With an Ethernet module (Type_ NP1L-ET1/ET2), is the protocol for fixed buffer communication the same as that of MICREX-F?

Yes, it is the same. Show Detail

When I downloaded a program to the CPU module, a fatal fault occurred. I checked fault diagnosis and found both the CPU and I/O modules were indica...

This is because the SX bus loop-back plug is not connected. Connect a loop-back plug to the base board. Show Detail

I want to read and write memory blocks with loader commands by using Ethernet to connect between SX. Is there any limitation to the amounts of data...

The amounts of data transmitted or received are not limited as R_WRITE instruction/R_READ instruction but by the capacity of the memory from/to which data ar... Show Detail

With communication using RS-485 of a general-purpose communication module (Type_ NP1L-RS□), is there any means to detect a line disconnection?

While 'DTR_ terminal ready' can be used with RS-232C, this control line is not present for RS-485. If no response is received while data are exchanged, re... Show Detail

I'm developing software with D300win (V2.2.5.0). Is it possible to collect data for each scan of the PLC?

It is not possible with D300win V2. The sampling trace function is supported by D300win V3.1.1.0. or later. [Related document] Refer to Section '11-7 Sampl... Show Detail

For PID control by using a PID FB package, how should I set the various parameters?

For setting parameter values (such as P, I and D), it is possible to_ (1) Set the data within the user application (2) Use 'PID FB parameter support ut... Show Detail

When I write parameter to LonWorks module (NP1L-LW1) using support tool for a LonWorks (NP4N-LNDF), what is the required cable?

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

When I set the high-speed counter module (NP1F-HC2) to the preset operation mode of the multi-functional counter FB, the preset is disabled in the ...

When you use preset operation in the linear operation mode, counting is sometimes discontinued due to preset overflow. Show Detail

I attempted to clear the memory in a CPU with the 'Clear' command for online operations, however, I got a message saying 'Clearing failed' and coul...

There is a possibility of mismatch between the project in the user ROM card and the CPU memory. On the 'Failure diagnosis' dialog, check the 'Resource inform... Show Detail