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

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

Up to 4 units can be connected in 1 configuration (on 1 SX bus). Note, however, that they must be configured so that th

The redundant function of the SPH Series provides redundancy only for the CPU and it cannot make the Ethernet redundant.

In the parameter setting of the Ethernet module in the system definition, set the 'Server FTP command watch timer value'

The general-purpose communication function of Ethernet allows simplified broadcast communication. By using a CPU with b

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

(1) Standard CPU_ Access takes place when tasks end (synchronized with tasks). (2) High-performance CPU_ Access takes p

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

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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) ]

11-20 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
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
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
How many units of Ethernet module (Type_ NP1L-ET□) can be used in a system?

Up to 4 units can be connected in 1 configuration (on 1 SX bus). Note, however, that they must be configured so that the total number of units of other comm... Show Detail
- No：1395
- Displayed Date：2023/04/25 19:00
Is it possible to have redundant (duplicate) Ethernet communication via the Ethernet interface module (Type_ NP1L-ET1/ET2) in a redundant system of...

The redundant function of the SPH Series provides redundancy only for the CPU and it cannot make the Ethernet redundant. Show Detail
- No：1392
- Displayed Date：2023/04/25 19:00
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...

In the parameter setting of the Ethernet module in the system definition, set the 'Server FTP command watch timer value' to 0. The port is not closed even if... Show Detail
- No：1612
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 13:59
Can I perform broadcast communication between CPU modules without using FL-net or P/PE-link module?

The general-purpose communication function of Ethernet allows simplified broadcast communication. By using a CPU with built-in Ethernet, you can build a bro... Show Detail
- No：1485
- 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
I use an Ethernet module (Type_ NP1L-ET1/ET2) to read/write data from/to a PC in the loader command communication mode. At what time are data read ...

(1) Standard CPU_ Access takes place when tasks end (synchronized with tasks). (2) High-performance CPU_ Access takes place when a request is generated rega... Show Detail
- No：1300
- 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