Hi. In this branch you can find the modifications to the Modbus 0.6.0 driver to read scalar types from the same requested field.
https://github.com/glcj/plc4x/tree/s7alarm In the future we must follow the new driver model 0.7.0 I hope it is useful for you, Best regards, El mié., 20 may. 2020 a las 6:52, udeho (<ud...@student.kit.edu>) escribió: > Hi Chris, > > yes, I use the 0.6.0 version. > Great, I will try to do it again when the new version is available and let > you know whether it works. > Thank you very much! > > Best > Tim > > -----Original Message----- > From: Christofer Dutz <christofer.d...@c-ware.de> > Sent: Mittwoch, 20. Mai 2020 11:28 > To: dev@plc4x.apache.org > Subject: Re: [Modbus] Querying Values from Holding Register > > Hi Tim, > > I guess you are using one of the "old generation" drivers (As you say it's > working and the address seems to imply that). > Perhaps you should either try the version 0.8.0-SNAPSHOT or wait for 2 > more days till we release the 0.7.0 version. > > In the 0.7.0 version we have completely deleted all existing drivers and > replaced them by new ones. > While at it I took the liberty of making the Modbus a little more robust. > > So it would be great if you could give us feedback if your problem goes > away magically when updating to these driver versions. > > Chris > > > > Am 20.05.20, 10:24 schrieb "udeho" <ud...@student.kit.edu>: > > Hi all, > > I have tried to query values from the holding register of a simulated > modbus device and process them as integer using the following code: > // read integer / holding register > PlcDriverManager driverManager = new > PlcDriverManager(); > String conString = "modbus:tcp://localhost"; > PlcConnection plcCon = > driverManager.getConnection(conString); > PlcReadRequest.Builder builder = > plcCon.readRequestBuilder(); > builder.addItem("value", "readholdingregisters:1"); > PlcReadRequest readRequest = builder.build(); > PlcReadResponse resp = readRequest.execute().get(); > > This runs well, but when I try to handle the result as integer (using > resp.getInteger("value")) I always get null as result no matter what's in > the register. > For Boolean values in the coil this works without any problem (using > getBoolean() of course). > Another approach I tried is using the getAllByteArrays("value"); > command, but I haven't found a way to get the returned collection of byte > arrays into integers. > > Can you give me an indication of what my problem may be or what I'm > doing wrong? > > Thank you very much in advance! > > Best > Tim > > -- *CEOS Automatización, C.A.* *GALPON SERVICIO INDUSTRIALES Y NAVALES FA, C.A.,* *PISO 1, OFICINA 2, AV. RAUL LEONI, SECTOR GUAMACHITO,* *FRENTE A LA ASOCIACION DE GANADEROS,BARCELONA,EDO. ANZOATEGUI* *Ing. César García* *Cel: +58 414-760.98.95* *Hotline Técnica SIEMENS: 0800 1005080* *Email: support.aan.automat...@siemens.com <support.aan.automat...@siemens.com>*