It is possible with the Ethernet module software version V36 or later by using the F_READ (read)/F_WRITE (write) FB.

The Loader command mode is fixed to the TCP/IP communication. UDP/IP communication is not supported.

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'

No, it does not support multicast transmission (sending/receiving). It does support broadcast transmission (sending/re

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

The following are necessary. 1) Hardware Ethernet interface module (NP1L-ET1) or CPU module with built-in E

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

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

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

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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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Is it possible to read and write the IP address and port reference number of an Ethernet module (Type_ NP1L-ET1) by using a user application?

It is possible with the Ethernet module software version V36 or later by using the F_READ (read)/F_WRITE (write) FB. After writing, the power (or reset) o... Show Detail
- No：1370
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 15:42
I use the Ethernet module (Type_ NP1L-ET1/ET2) in the Loader command mode. Can I also use the UDP/IP communication?

The Loader command mode is fixed to the TCP/IP communication. UDP/IP communication is not supported. Show Detail
- No：1442
- 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
Does the Ethernet module of the MICREX-SX (Type_ NP1L-ET1/ET2) support TCP/IP multicast transmission (sending/receiving)?

No, it does not support multicast transmission (sending/receiving). It does support broadcast transmission (sending/receiving). Show Detail
- No：1536
- 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
What is necessary for MODBUS_TCP communication between SPH and an external device?

The following are necessary. 1) Hardware Ethernet interface module (NP1L-ET1) or CPU module with built-in Ethernet (SPH2000/3000 series CPU types w... Show Detail
- No：1470
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 13:30
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
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
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

11-20 of Total 25

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