One possible cause is that common FB _C_COM is not registered with the library. For communication-related expansion FBs

It is possible as long as the protocol is UDP/IP. In the M_OPEN FB, specify 255.255.255.255 as the IP address to be set

This problem is probably caused by the following reasons: [For SPH300/2000/3000 series] 1) The CPU mode selection switc

No, you can't. You can check the IP address by connecting the PC loader to the CPU module and monitoring the RAS informa

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

It depends on your CPU model and how often you conduct regular inspection. The backup time after a battery error is det

For an analog input range (1 to 5 V or 4 to 20 mA), a line breakage detection function is provided. An input voltage of

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

For an alarm contact output of an error of the PLC system, select an arbitrary output module in the system definitions a

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GLOBAL > PLC > SPH

Latest FAQ

When I write parameter to LonWorks module (NP1L-LW1) using support tool for a LonWorks (NP4N-LNDF), what is the required cable?
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 ...
Are there any restrictions on the mounting position of the I/O modules and communication modules on the base? I'd like to place the communication m...
When using a communication module (NP1L-RS1/RS2/RS3/RS4/RS), the FB outputs R_STS 'C0' (Hardware error detected) during receiving. In this case, ho...
When I attempted to download a project to a CPU with user ROM card by using D300win, a message appeared saying 'Invalid loader command process!' an...

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FAQ within [ SPH ]

171-180 of Total 235

≪ 18 / 24page ≫

With D300win, I used a non-procedural FB (_C_free) in a program for compilation and an error occurred. What is the cause of this problem?

One possible cause is that common FB _C_COM is not registered with the library. For communication-related expansion FBs including _C_FREE, register common... Show Detail
- No：1329
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 15:32
- Category： Communication (Others)
Is broadcast communication via Ethernet possible?

It is possible as long as the protocol is UDP/IP. In the M_OPEN FB, specify 255.255.255.255 as the IP address to be set for the 'communication destination s... Show Detail
- No：1415
- Displayed Date：2023/04/25 19:00
- Category： Communication (Ethernet)
I cannot download a project to the user ROM card inserted in the CPU. What is a possible cause?

This problem is probably caused by the following reasons: [For SPH300/2000/3000 series] 1) The CPU mode selection switch is not set at the 'UROM-TERM' pos... Show Detail
- No：1528
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 13:47
- Category： Support tool
When I forget the IP address of the WEB module (Type_ NP1L-WE1), can I change the IP from an external network?

No, you can't. You can check the IP address by connecting the PC loader to the CPU module and monitoring the RAS information of the fault diagnosis function. Show Detail
- No：1616
- Displayed Date：2023/04/25 19:00
- Category： Communication (Ethernet)
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
- Category： Function
With the MICREX-SX SPH Series, when should I replace the battery after the battery error LED of the CPU module lights up?

It depends on your CPU model and how often you conduct regular inspection. The backup time after a battery error is detected is as follows. NP1PS-32/32R:... Show Detail
- No：1312
- Displayed Date：2023/04/25 19:00
- Category： Accessory
I understand that an analog input module (Type_ NP1AXH4-MR, etc.) has a signal line breakage detection function. How does it work?

For an analog input range (1 to 5 V or 4 to 20 mA), a line breakage detection function is provided. An input voltage of 0.92 V or lower for the 1 to 5 V ran... Show Detail
- No：1316
- Displayed Date：2023/04/25 19:00
- Category： I/O
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
- No：1335
- Displayed Date：2023/04/25 19:00
- Category： Error
Is there an alarm output contact to use when an error occurs in the PLC system?

For an alarm contact output of an error of the PLC system, select an arbitrary output module in the system definitions and define its 0th bit as a 'system DO... Show Detail
- No：1347
- Displayed Date：2023/04/25 19:00
- Category： Main unit
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
- No：1377
- Displayed Date：2023/04/25 19:00
- Category： Communication (Ethernet)