xman01 Member X Join Date Apr 2005 Posts 4 Apr 21, 2005 #1 what do you consider when selecting a PLC and can you point me to some sources with technical info on process indicators that are connected a plc, wiring and iee stds for a gas compound.
what do you consider when selecting a PLC and can you point me to some sources with technical info on process indicators that are connected a plc, wiring and iee stds for a gas compound.
rsdoran Lifetime Supporting Member Join Date Apr 2002 Location Birmingham, AL Posts 7,371 Apr 21, 2005 #2 This is a basic list on choosing a PLC. http://www.patchn.com/choosing_a_plc.htm You would need to be able to offer more details on the system...ie is the gas flammable or explosive? Will the location be considered Hazardous? What country?
This is a basic list on choosing a PLC. http://www.patchn.com/choosing_a_plc.htm You would need to be able to offer more details on the system...ie is the gas flammable or explosive? Will the location be considered Hazardous? What country?
xman01 Member OP X Join Date Apr 2005 Posts 4 Apr 21, 2005 #3 natural gas compound yes it is harzardous and it is in Trinidad and Tobago it uses scada just for monitoring and i plan to use the plc to replace the existing fisher 4150k pneumatic controller
natural gas compound yes it is harzardous and it is in Trinidad and Tobago it uses scada just for monitoring and i plan to use the plc to replace the existing fisher 4150k pneumatic controller