It is not possible for the user to restore the factory setting. The module will have to be returned to the factory for i

The file transfer error occurs because the module driver is downloaded with the Ethernet module not recognized by the CP

The SPH system automatically inherits information such as the communication ports and reopening processing is not requir

The SX does not allow the use of a single SPORT_NO (range_ 1 to 127) for multiple connections simultaneously. When you w

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

The IP address and port standard No. of the self station of the Ethernet module are stored in the internal ROM of the Et

The amounts of data transmitted or received are not limited as R_WRITE instruction/R_READ instruction but by the capacit

Only the NP1L-ET1 supports both modes automatically (auto negotiation). Since the NP1L-ET2 is designed for 10Base5 (coa

Input an arbitrary address. This setting is ignored for the unpassive mode.

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GLOBAL > PLC > SPH > Communication (Ethernet)

Latest FAQ

When I use the Ethernet module (NP1L-ET1), can I use a same message port No. (SPORT_NO) to establish multiple connections (use multiple M_OPEN)?
I use the Ethernet module (NP1L-ET1/ET2) and using communication FB (M_OPEN). M_OPEN sets two ports of RPORT_NO and SPORT_NO. Does this mean that o...
When I forget the IP address of the WEB module (Type_ NP1L-WE1), can I change the IP from an external network?
During loader command communication of Ethernet, a port is closed after it has not been accessed from a personal computer for a certain period of t...
I use the Ethernet module (Type_NP1L-ET1). Is the IP address assigned automatically?

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FAQ within [ Communication (Ethernet) ]

1-10 of Total 25

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I have lost the 'IP address' set with the WEB module (Type_ NP1L-WE1). How can I restore the factory setting?

It is not possible for the user to restore the factory setting. The module will have to be returned to the factory for initialization for a fee. Contact ou... Show Detail
- No：1409
- Displayed Date：2023/04/25 19:00
When I use an Ethernet module (Type_ NP1L-ET□) to download the system definitions and module driver, a file transfer error is generated. Why?

The file transfer error occurs because the module driver is downloaded with the Ethernet module not recognized by the CPU. For the CPU to recognize the Ethe... Show Detail
- No：1404
- Displayed Date：2023/04/25 19:00
I use an Ethernet module (Type_ NP1L-ET□) in a redundant system. Is processing such as reopening of the Ethernet required at the time of redundancy...

The SPH system automatically inherits information such as the communication ports and reopening processing is not required. Show Detail
- No：1292
- Displayed Date：2023/04/25 19:00
When I use the Ethernet module (NP1L-ET1), can I use a same message port No. (SPORT_NO) to establish multiple connections (use multiple M_OPEN)?

The SX does not allow the use of a single SPORT_NO (range_ 1 to 127) for multiple connections simultaneously. When you want to connect multiple ports, use a ... Show Detail
- No：1668
- Displayed Date：2023/04/25 19:00
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
After I replaced an Ethernet module (Type_NP1L-ET1/ET2), it cannot communicate with the target device. What is a possible cause?

The IP address and port standard No. of the self station of the Ethernet module are stored in the internal ROM of the Ethernet module. After replacing an Eth... Show Detail
- No：1590
- Displayed Date：2023/04/25 19:00
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
- No：1324
- Displayed Date：2023/04/25 19:00
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
Which mode does the Ethernet module (Type_ NP1L-ET1/ET2) support, half or full?

Only the NP1L-ET1 supports both modes automatically (auto negotiation). Since the NP1L-ET2 is designed for 10Base5 (coaxial), it is fixed to half duplex. Show Detail
- No：1554
- Displayed Date：2023/04/25 19:00
I understand that when data are received via an Ethernet network in the TCP/IP unpassive mode, requests from multiple nodes can be accepted. How ca...

Input an arbitrary address. This setting is ignored for the unpassive mode. Show Detail
- No：1378
- Displayed Date：2023/04/25 19:00

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