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

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

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

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

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

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 Web module requires Java software only for trend graph display. The cause is probably that the PC you are using does

No, the Ethernet module does not support the AUTO-MDI/MDIX function (Auto-switching of straight/cross cable.) The appl

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

Skip navigation menu

Regional Websites
Americas

USA

Europe

France

Germany
Asia

China

Japan

Singapore

Hong Kong

Korea

Taiwan

India

Malaysia

Thailand

Indonesia

Philippines

Vietnam
Download documents

About Us

About Us Top
Products & Solutions

Products & Solutions Top
Investor Relations

IR Top
Sustainability

Sustainability Top

Font Size
S
M
L

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?

GLOBAL

Search by category

Keyword Search

FAQ within [ Communication (Ethernet) ]

1-10 of Total 25

≪ 1 / 3page ≫

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
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
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 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
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
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
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
I'm using the Web module (Type_ NP1L-WE1) and only the trend graph cannot be displayed properly on the PC. What is a possible cause?

The Web module requires Java software only for trend graph display. The cause is probably that the PC you are using does not have Java installed. Show Detail
- No：1308
- Displayed Date：2023/04/25 19:00
Is the 10Base-T connector of the Ethernet module (Type_NP1L-ET1/ET2) compatible with both cross and straight cables? (Does it support the AUTO-MDI/...

No, the Ethernet module does not support the AUTO-MDI/MDIX function (Auto-switching of straight/cross cable.) The applicable cable type depends on whether ... Show Detail
- No：1562
- 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