carljbrooks Member C Join Date Nov 2018 Location Staffordshire Posts 2 Nov 24, 2018 #1 Hello All, Is there anyway of directly interfacing the Maxim 1 wire protocol to a PLC? Thanks Carl
Mispeld Member M Join Date Feb 2017 Location VA Posts 644 Nov 24, 2018 #2 There are several devices offered by EDS. Not sure if any meet the direct interface requirement, though serial and Ethernet options are available. https://www.embeddeddatasystems.com/Interface-Adapters_c_38.html
There are several devices offered by EDS. Not sure if any meet the direct interface requirement, though serial and Ethernet options are available. https://www.embeddeddatasystems.com/Interface-Adapters_c_38.html
Saffa Member S Join Date Feb 2012 Location Bay of Plenty Posts 1,468 Nov 24, 2018 #3 https://cel-mar.pl/en/1-wire_rs485_modbus_m401wp.htm That might work for you if your PLC can talk modbus rtu. Google didn't seem to have a lot of options for this. Any reason you want to use 1wire instead of just a standard PT100 temperature transmitter with 4-20mA output?
https://cel-mar.pl/en/1-wire_rs485_modbus_m401wp.htm That might work for you if your PLC can talk modbus rtu. Google didn't seem to have a lot of options for this. Any reason you want to use 1wire instead of just a standard PT100 temperature transmitter with 4-20mA output?
cardosocea Member C Join Date Nov 2016 Location Fields of corn Posts 2,635 Nov 25, 2018 #4 Considering the purpose of the protocol, I find it hard for it to be easy to interface with a PLC. Have you considered an Arduino? Or a raspberry pi?
Considering the purpose of the protocol, I find it hard for it to be easy to interface with a PLC. Have you considered an Arduino? Or a raspberry pi?
lpc921 Member L Join Date Nov 2012 Location Auckland Posts 25 Nov 25, 2018 #5 I've used this unit before with good results. https://www.barix.com/control-products/barionet-family/barix/Product/show/barionet-100/
I've used this unit before with good results. https://www.barix.com/control-products/barionet-family/barix/Product/show/barionet-100/