| No. 1765 | Re: Re: Re: Re: Re: Re: Re: Re: Re: Re: Re: Re: Re: Re: Re: Re: Re: RS422 converter | 2020-08-11 | ||
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Dear Johan, We checked your attached file. The connection between two CSE-H55N2 is okay. CSE-H55N2 is just the serial to Ethernet converter. It converts data from Serial to TCP and vice versa. As we found no problem with serial Ethernet converter, the problem is probably on HMI or PLC side. Could you please contact HMI and PLC provider for further troubleshooting? Best regards, Khanh > Johan wrote: > ------------------------------------ > I made a configuration with 2 CSE55H2 (RS422 protocol) > > please look at the attachment. > > > > Johan wrote: > > ------------------------------------ > > Hello, > > > > I think your answer is useful. > > Again thanks for fast reply. > > > > w.k.r. Johan > > > > > > > Sollae Systems wrote: > > > ------------------------------------ > > > > > > CSE-H55N does not support multi-connection. > > > If the communication between HMI and Mitsubishi is just via a RS422 driver based protocol (not Modbus), you can choose from the following topologies: > > > > > > Topology 1: > > >  > > > > > > Topology 4: > > >  > > > > > > Note that, topology 4 is ONLY useful in case the physically distance between HMI devices are long. > > > > > > Best regards, > > > Khanh > > > > > > > Johan wrote: > > > > ------------------------------------ > > > > Hello again, > > > > > > > > ref. ""Unlike SMG devices, CSE-H55N2 is not designed to work with Modbus RTU, so it may not be an alternative in this case"" > > > > > > > > I have got some information from our parter (HMI), He says de communication between HMI and Mitsubishi is a RS422 driver based protocol (no modbus), > > > > so could then the CSE-H55N2 be a good alternative for Topology-2. > > > > > > > > gr. Johan > > > > > > > > > > > > > > > > > > > > > Sollae Systems wrote: > > > > > ------------------------------------ > > > > > Dear Johan, > > > > > > > > > > Thank you for using our products. > > > > > > > > > > The configuration needs to be set based on your system (HMI, PLC working parameters). > > > > > Without knowing your working parameters, we can not provide a suitable configuration. > > > > > To provide recommendation for SMG device configuration, please send us the following information: > > > > > - All settings of SMG-5420 #1 > > > > > - All settings of SMG-5420 #2 > > > > > - Serial setting of HMI > > > > > - Serial setting of PLC > > > > > > > > > > Unlike SMG devices, CSE-H55N2 is not designed to work with Modbus RTU, so it may not be an alternative in this case. > > > > > > > > > > Thank you, > > > > > > > > > > Best regards, > > > > > Khanh > > > > > > > > > > > Johan wrote: > > > > > > ------------------------------------ > > > > > > Hello again, > > > > > > > > > > > > We bought 2 units. > > > > > > I have tryed to make a connection, Topology-2 , without succes. > > > > > > Configuration software works ok. > > > > > > Could you send me a screenshot of a possible configuration of the units. > > > > > > > > > > > > > > > > > > As second option, is the CSE-H55N2 an alternative ? > > > > > > > > > > > > w.k.r. Johan > > > > > > > > > > > > > > > > > > > Johan wrote: > > > > > > > ------------------------------------ > > > > > > > Thank you for helping us to make the best decision. > > > > > > > > > > > > > > > > > > > > > > Sollae Systems wrote: > > > > > > > > ------------------------------------ > > > > > > > > Dear Johan, > > > > > > > > > > > > > > > > We are sorry we cannot find any information about Modbus configuration from the screenshot you sent. > > > > > > > > Since Modbus RTU and Modbus TCP are listed in HMI's manual, HMI device probably supports Modbus protocol. > > > > > > > > Please contact HMI device's manufacturer to confirm it. > > > > > > > > > > > > > > > > As mentioned in an earlier reply, you can adopt one among three topologies for your system, depending on the protocol of HMI devices (Modbus RTU or Modbus TCP). > > > > > > > > > > > > > > > > Best regards, > > > > > > > > > > > > > > > > > > > > > > > > > Johan wrote: > > > > > > > > > ------------------------------------ > > > > > > > > > Again, HMI setting(1).zip > > > > > > > > > > > > > > > > > > > > > > > > > > > > Sollae Systems wrote: > > > > > > > > > > ------------------------------------ > > > > > > > > > > > > > > > > > > > > Dear Johan, > > > > > > > > > > > > > > > > > > > > I cannot see any attached file. > > > > > > > > > > > > > > > > > > > > Please check it. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Johan wrote: > > > > > > > > > > > ------------------------------------ > > > > > > > > > > > Hello, > > > > > > > > > > > > > > > > > > > > > > Please see the attached file > > > > > > > > > > > > > > > > > > > > > > Thanks for responding so fast. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Johan wrote: > > > > > > > > > > > > ------------------------------------ > > > > > > > > > > > > Good morning, > > > > > > > > > > > > > > > > > > > > > > > > Sorry for the misunderstanding. > > > > > > > > > > > > Please look at the attached file. > > > > > > > > > > > > This is the configuration of the HMI. > > > > > > > > > > > > > > > > > > > > > > > > Feel free to ask more information. > > > > > > > > > > > > > > > > > > > > > > > > gr. Johan > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Sollae Systems wrote: > > > > > > > > > > > > > ------------------------------------ > > > > > > > > > > > > > Dear Johan , > > > > > > > > > > > > > > > > > > > > > > > > > > Thank you for your information. > > > > > > > > > > > > > > > > > > > > > > > > > > As we can see from the documents you sent, these devices are using Modbus protocol to communicate with each other. > > > > > > > > > > > > > In this case, instead of normal RS422 to Ethernet Converter, we should use Modbus gateway to make these products communicate with each other via Internet/LAN. > > > > > > > > > > > > > The Modbus gateway helps to convert Modbus Serial to Modbus TCP and vice versa. > > > > > > > > > > > > > We recommend you to use SMG-5420 (RS422/485 Modbus Gateway) in your project. > > > > > > > > > > > > > > > > > > > > > > > > > > Since HMI Monitouch supports both Modbus Serial and Modbus TCP, there are three possible ways to install your network. > > > > > > > > > > > > > > > > > > > > > > > > > > Topology 1: > > > > > > > > > > > > > > > > > > > > > > > > > >  > > > > > > > > > > > > > > > > > > > > > > > > > > - Advantage: require only one Modbus gateway to connect to 4 HMI Screens. > > > > > > > > > > > > > - Disadvantage: The distance between four HMI screens is limited due to RS422 characteristics. > > > > > > > > > > > > > > > > > > > > > > > > > > Topology 2: > > > > > > > > > > > > > > > > > > > > > > > > > >  > > > > > > > > > > > > > > > > > > > > > > > > > > - Advantage: The distances between four HMI screens have no limit. > > > > > > > > > > > > > - Disadvantage: require four Modbus gateways to connect to 4 HMI Screens. > > > > > > > > > > > > > > > > > > > > > > > > > > Topology 3: > > > > > > > > > > > > > > > > > > > > > > > > > >  > > > > > > > > > > > > > > > > > > > > > > > > > > - Advantage: The distances between four HMI screens have no limit. The connections between 4 HMI Screens require no additional Modbus Gateway => cost efficiency. > > > > > > > > > > > > > > > > > > > > > > > > > > If you use topology 3, you may need to configure the HMI screen to use Modbus TCP. > > > > > > > > > > > > > > > > > > > > > > > > > > Please note that the current firmware of SMG-5420 (RS422/485 Modbus Gateway) only supports a single TCP connection. > > > > > > > > > > > > > It means at the one time, it only accepts the connection from one device. So right now Topology 1 is a suitable solution. > > > > > > > > > > > > > Fortunately, we are going to release a new firmware that supports multi-connection. It means all Topology 1, Topology 2, and Topology 3 can be used. > > > > > > > > > > > > > > > > > > > > > > > > > > The exact release date of the new firmware is yet not fixed but will be within a month from now. > > > > > > > > > > > > > > > > > > > > > > > > > > I hope the above is useful to you. > > > > > > > > > > > > > Please feel free to contact me if you need any further information. > > > > > > > > > > > > > > > > > > > > > > > > > > Thank you, > > > > > > > > > > > > > > > > > > > > > > > > > > Best regards, > > > > > > > > > > > > > > > > > > > > > > > > > > Khanh, > > > > > > > > > > > > > Sollae Systems's Technical Support Team > > > > > > > > > > > > > > > > > > > > > > > > > > > Johan wrote: > > > > > > > > > > > > > > ------------------------------------ > > > > > > > > > > > > > > See the attached files > > > > > > > > > > > > > > > > > > > > > > > > > > > > gr. Johan > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Johan wrote: > > > > > > > > > > > > > > > ------------------------------------ > > > > > > > > > > > > > > > Good morning, > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Please see the attachment file for information. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > gr. Johan > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Sollae Systems wrote: > > > > > > > > > > > > > > > > ------------------------------------ > > > > > > > > > > > > > > > > Dear Johan, > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Thank you for your interest in our products. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > It is possible to use our products to make the connection between a Mitsubishi PLC and a Monitouch HM over Ethernet. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > You may need to choose the product depends on how Mitsubishi PLC and a Monitouch HM interact with each other. > > > > > > > > > > > > > > > > In case of using Modbus RTU or ASCII, Modbus Gateway can be used. > > > > > > > > > > > > > > > > In other cases, RS422 to Ethernet converters can be used. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > To choose the right products, please check which protocol Mitsubishi PLC and a Monitouch HM interact with each other. > > > > > > > > > > > > > > > > If you can send us the model name of the devices in your system and the protocol you are using, we could provide a more detailed suggestion. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > We hope the above is useful to you. > > > > > > > > > > > > > > > > Please feel free to contact us if you need any further information. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Johan wrote: > > > > > > > > > > > > > > > > > ------------------------------------ > > > > > > > > > > > > > > > > > Hello. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Normally we have a RS422 4-wire connection between a Mitsubishi PLC and a Monitouch HMI. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > case: > > > > > > > > > > > > > > > > > Is there a possibility to connect more HMI'ss with RS422(4wire), on one PLC with RS422 connection, using RS422 to Ethernet converters. > > > > > > > > > > > > > > > > > |
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| Writer | Sollae Systems | Company | sollae |
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#901-907, 869, Gyeongwon-daero, Michuhol-gu, Incheon 22134, Korea (Republic Of)
Tel. +82 32 245 2323 | Fax. +82 32 245 2327 | Email. sales@ezTCP.com
