lostcontrol
Lifetime Supporting Member
Hi Team,
So, what is the correct understanding of the codes for Holding vs Input registers?
My understanding was #3 = Input registers & #4 = Holding registers.
But have found conflicting informations:
https://en.wikipedia.org/wiki/Modbus
https://www.linkedin.com/pulse/difference-between-3x-4x-registers-modbus-muhammad-wajeeh-ul-haque
https://www.modbustools.com/modbus.html
https://www.google.com/search?q=modbus+holding+register&rlz=1C1GCEA_enNZ1040NZ1040&oq=modnus+h&gs_lcrp=EgZjaHJvbWUqCQgBEAAYDRiABDIGCAAQRRg5MgkIARAAGA0YgAQyCQgCEAAYDRiABDIJCAMQABgNGIAEMgkIBBAAGA0YgAQyCQgFEAAYDRiABDIJCAYQABgNGIAEMgkIBxAAGA0YgAQyCQgIEAAYDRiABDIJCAkQABgNGIAE0gEIMjYwOGowajeoAgCwAgA&sourceid=chrome&ie=UTF-8#vhid=37FpmM-n5YWdCM&vssid=l
So, what is the correct understanding of the codes for Holding vs Input registers?
My understanding was #3 = Input registers & #4 = Holding registers.
But have found conflicting informations:
https://en.wikipedia.org/wiki/Modbus
https://www.linkedin.com/pulse/difference-between-3x-4x-registers-modbus-muhammad-wajeeh-ul-haque
https://www.modbustools.com/modbus.html
https://www.google.com/search?q=modbus+holding+register&rlz=1C1GCEA_enNZ1040NZ1040&oq=modnus+h&gs_lcrp=EgZjaHJvbWUqCQgBEAAYDRiABDIGCAAQRRg5MgkIARAAGA0YgAQyCQgCEAAYDRiABDIJCAMQABgNGIAEMgkIBBAAGA0YgAQyCQgFEAAYDRiABDIJCAYQABgNGIAEMgkIBxAAGA0YgAQyCQgIEAAYDRiABDIJCAkQABgNGIAE0gEIMjYwOGowajeoAgCwAgA&sourceid=chrome&ie=UTF-8#vhid=37FpmM-n5YWdCM&vssid=l