![]() ![]() ![]() Holding Registers - address range 4xxxxx (Word values or 16-bit registers) should have Read/Write accessĪrchie used decimal values since that appears to be the address format that AHMI controls accept. If you do a bit more research on Modbus, you might see something like this:Ĭoil Outputs - address range 0xxxxx (Boolean values or bit registers) should have Read/Write accessĭigital Inputs - address range 1xxxxx (Boolean values or bit registers) should have Read Only accessĪnalog Inputs - address range 3xxxxx (Word values or 16-bit registers) should have Read Only access As you can see in the picture configuration, Multi-drop means have 2 mirror HMIs where can be used and all the actions in one HMI, will be mirrored on the other one. ![]() You should also check the posts in the link Archie provided previously (start from the very first post which shows common Modbus addressing and also check the video link and any pictures posted). HMI HMI PLC PLC Communication Example (Multidrop) Another useful Ethernet application with our new HMIs is the multi-drop connection.
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