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

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

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

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

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

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

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

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

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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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
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
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
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 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
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
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
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
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