The module is equipped with 2 channels of high-speed counter and signals of a different voltage can be counted for each channel. To set the signal level, s... Show Detail
There is a limit to the number of POUs that can be opened simultaneously_ 31 including 'Data 1,' 'Simulation' and 'AFB.' Show Detail
The set value of the timer must be a 32-bit (double-word) value. Specify DM (double-word), not WM (single-word). The memory to use may be DX or DL, as well a... Show Detail
There is a high-capacity battery for SPH300 (Type_ NP8P-BTS). Its battery capacity (approximately 2700 mA) is about 2.7 times that of the backup battery supp... Show Detail
One likely cause is that any of the following characters is used in the variable worksheet (1) A double-byte space is used. Use a single-byte space or tab... Show Detail
Both the pulse output and control output are open collector outputs. They should be used within the following ranges (1) Pulse output_ 30 V DC, 40 mA or less... Show Detail
The SPH does not have a RUN contact. Is there any alternative?
As an alternative, you can combine hardware and software functions. (1) Hardware_ Prepare a relay output card and use one point as a RUN contact. (2) Sof... Show Detail
In a redundant system, both CPUs are identified as CPU0 and you cannot read a battery error of the standby CPU. Determine the condition of the standby CPU fr... Show Detail
NP1L-RS1/RS4/RS5 support RS-485. Can I use them for RS-422 devices?
Yes, you can use NP1L-RS1/RS4/RS5 for RS-422 devices. RS-485 is upper compatible with RS-422. There are two connection types for RS-422 devices: 2-wire conne... Show Detail
The simulation function of the StandardV3 does not support the index register. Check the program operation using a hardware PLC. Show Detail
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