You can check it with the status indication LED on the front of the module. When a low battery voltage is detected, th

Check the following two points (1) To use the EMG/±OT signal, input the 'External power supply 24 V DC.' (2) Check the

In an SX system, removing any I/O module that has failed causes the CPU to stop running due to a 'system definition mism

No, it is not possible. Use an encoder of the line-driver or open-collector output type. When using a line-driver type,

One possibility is that the compare value is not stored in the compare register of the high-speed counter. The compare v

In the MV selection part in the PID FB, (1) the backward operation uses the internally calculated MV value (%) without p

The NP1F-HC2 constantly continues updating the pulse count value data for the SX bus I/F in a cycle of 200 ?s (fixed). T

A possible cause is that a “Deviation amount over error” occurred. For details, refer to the user's manual FEH213 (NP1F-

You can refer to sample project Mptpf4.zwt stored in the ZIPPED folder in the D300win folder.

This was probably caused by one of the following two factors_ (1) ±OT is set to 'Disabled' in the parameter setting of

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GLOBAL > PLC > SPH > Function

Latest FAQ

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 I switch the CPU module from RUN to STOP while the four-axis pulse output unit (NR1SF-HP4DT) is outputting pulses, does the positioning operat...
With a counter module (NP1F-HC2), I use ２ counter FBs to control 2 channels. At system start-up, I set simultaneous preset operations for the 2 cha...
What is the difference between the PID forward and backward operations when the PID FB package is used?
How can I detect a low battery voltage of the SRAM card with the memory card interface module (Type_ NP1F-MM1)?

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How can I detect a low battery voltage of the SRAM card with the memory card interface module (Type_ NP1F-MM1)?

You can check it with the status indication LED on the front of the module. When a low battery voltage is detected, the CER LED on the front of the module ... Show Detail
- No：1620
- Displayed Date：2023/04/25 19:00
When I turned on the positioning control module (Type_ NP1F-MP2/MA2), the EMG/±OT LED lights up and positioning operation is disabled. What causes ...

Check the following two points (1) To use the EMG/±OT signal, input the 'External power supply 24 V DC.' (2) Check the wiring of the external equipment. (T... Show Detail
- No：1601
- Displayed Date：2023/04/25 19:00
What is the dummy module (Type_ NP1F-DMY) used for? Is it required for an unused slot?

In an SX system, removing any I/O module that has failed causes the CPU to stop running due to a 'system definition mismatch.' In a case like this, a dummy ... Show Detail
- No：1349
- Displayed Date：2023/04/25 19:00
Is it possible to use an encoder of the complementary output type for the high-speed counter module (Type_ NP1F-HC2)?

No, it is not possible. Use an encoder of the line-driver or open-collector output type. When using a line-driver type, pay attention to the output capacity ... Show Detail
- No：1320
- Displayed Date：2023/04/25 19:00
I use the high-speed counter module (Type_ NP1F-HC2) FB. The compare value is larger than the present counter value but the compare output becomes ...

One possibility is that the compare value is not stored in the compare register of the high-speed counter. The compare value is written by turning the data w... Show Detail
- No：1309
- Displayed Date：2023/04/25 19:00
What is the difference between the PID forward and backward operations when the PID FB package is used?

In the MV selection part in the PID FB, (1) the backward operation uses the internally calculated MV value (%) without processing it (as-is)_ and (2) the for... Show Detail
- No：1625
- Displayed Date：2023/04/25 19:00
How long is the refresh cycle of the pulse count value data of the high-speed counter module (Type_ NP1F-HC2)?

The NP1F-HC2 constantly continues updating the pulse count value data for the SX bus I/F in a cycle of 200 ?s (fixed). The count data, however, will be refle... Show Detail
- No：1547
- Displayed Date：2023/04/25 19:00
On the positioning module (Type_NP1F-MP2/MA2), the 'ERR' LED turns ON. What are the possible causes?

A possible cause is that a “Deviation amount over error” occurred. For details, refer to the user's manual FEH213 (NP1F-MA2) or FEH214 (NP1F-MP2) 'Section 8 ... Show Detail
- No：1290
- Displayed Date：2023/04/25 19:00
Do you have a connection example for the input variable of the compact positioning FB of the positioning FB package?

You can refer to sample project Mptpf4.zwt stored in the ZIPPED folder in the D300win folder. Show Detail
- No：1614
- Displayed Date：2023/04/25 19:00
Although the LED for ±OT lights up on the positioning control module (Type_ NP1F-MP2/MA2), the positioning operation finishes. What is the causal f...

This was probably caused by one of the following two factors_ (1) ±OT is set to 'Disabled' in the parameter setting of the positioning control module (Type_... Show Detail
- No：1575
- Displayed Date：2023/04/25 19:00