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When does the port status_ DSR (data set ready) in a structure variable_ RAS of the non-procedural standard expansion FB for communication remain on?
Selecting the DCE mode for the communication parameter_ DCE designation keeps DSR always on.
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- No:1297
- Displayed Date:2023/04/25 19:00
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An existing P-link system is composed of MICREX-F. If part of it is replaced with P-link of MICREX-SX, does the existing MICREX-F program need to b...
The existing MICREX-F program does not need any modification.
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- No:1319
- Displayed Date:2023/04/25 19:00
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Is a CPU necessary to check I/O? Input signals to the input terminals of an input module are turned ON, however, the input status LED remains OFF.
Yes, a CPU is necessary. In the case of a system with no CPU, the input status LED does not work even if signals are externally input into the input module.
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- No:1537
- Displayed Date:2023/04/25 19:00
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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...
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- No:1329
- Displayed Date:2023/04/25 19:00
- Updated DTM:2023/06/13 15:32
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Is there any way to check the vendor ID, product code, product revision, serial No., etc. of the slave from the DeviceNet master module (Type_ NP1L...
Unfortunately, information in a device connected to the master module cannot be read even by building a user application.
Please use the dedicated configura...
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- No:1387
- Displayed Date:2023/04/25 19:00
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What is necessary for MODBUS_RTU communication between SPH and an external device?
The following are necessary.
1) Hardware:
General-purpose communication module (NP1L-RS1/RS2/RS3/RS4/RS5) whose firmware version is V42 or later
...
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- No:1469
- Displayed Date:2023/04/25 19:00
- Updated DTM:2023/06/09 13:29
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When the MODBUS master standard expansion FB _C_modm operates, the receive status becomes R_STS = 1. This is not shown in the receive status list. ...
R_STS = 1 means 'send buffer overflow' detected by the general-purpose communication module. Check the communication format, communication interval and other...
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- No:1607
- Displayed Date:2023/04/25 19:00
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Does the general-purpose communication module support the BSC procedure?
No, it doesn't.
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- No:1293
- Displayed Date:2023/04/25 19:00
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What does the sending/receiving counter for the structure variable RAS.RAS of the non-procedure standard expansion FB for communication _Cfr* count...
It counts the number of transmissions of message processing M_RECEIVE and M_SEND performed on the SX bus.
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- No:1569
- Displayed Date:2023/04/25 19:00
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With the FL-net module (NP1L-FL1/FL2/FL3), is there any way to confirm that the data sent from the node-A have actually been received by the node-B?
When the common memory system is used, this can be achieved by handshaking with an application using part of the link memory.
Without handshaking, it is not...
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- No:1638
- Displayed Date:2023/04/25 19:00