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1 MODBUS bus, accessed by 2 devices or multiple devices

2016-07-04View Original

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This post was last edited by steelen on 2010-10-11 at 17:31. It’s annoying when there is a single MODBUS bus that has to be accessed simultaneously by two or more MODBUS master devices. With the TG900, the problem becomes simple. Please take a look at the image below: http://www.tengcon.com/bbs/data/attachment/forum/month_1010/10101117107425003b438faefe.jpg The TG900 provides three serial ports; one of these ports, for example port 3, is used to read data from the MODBUS bus. The other two ports can be used to read the data obtained by port 3, either via the MODBUS protocol or through MODBUS TCP.
Reply #22016-07-04
Similar to Moxa MOXA’s serial communication server. :Lol, the advertising is very subtle.
Reply #32016-07-07
You’re quite subtle too… hehehehe
Reply #42016-07-07
I didn’t run any ads; I cited things based on what was actually there on site. Honeywell’s projects almost certainly use MoSSE.
Reply #52016-07-07
The Ganges also uses mosha; can this device connect multiple 485 devices for communication between them, or can it only enable communication between 485 and RJ45 devices?
Reply #62016-07-07
You, this Iron Monkey Huluwa, are truly remarkable – you even know Modbus for horizontal rivers.
Reply #72016-07-07
Yokogawa uses VNet. Modbus is unknown. I’m interested in that 485 server I mentioned to you

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