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Modbus one register to two objects
#1
Hello,

 I need to split a modbus register to control two lamps on one register. i guess i need to put a bitmask on but i'm not sure what it should be. I am attaching the registry table.
Code:
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Address    High byte                                         Low byte 00H    Channel No.1 output value                         Channel No.2 output value 01H    Channel No.3 output value                         Channel No.4 output value 02H    Channel No.1 control register                         Channel No.2 control register 03H    Channel No.3 control register                         Channel No.4 control register 200H    Device ID                                         Connect register 201H    Switch delay register                                 Smooth register 202H    Reserve                                              Reserve 203H    Reserve                                                 Reserve 204H    Reserve                                                 Reserve 205H    Reserve                                                 Reserve 206H    Switch No.1 click value.                         Switch No.2 click value. 207H    Switch No.3 click value.                         Switch No.4 click value. 208H    Channel No.1 power on value                          Channel No.2 power on value 209H    Channel No.3 power on value                         Channel No.4 power on value Set channel No.1 output value is 0(off), channel No.2 output value is 32(50%) Send60 06 00 00 00 20 80 63 Ans:   60 06 00 00 00 20 80 63 Set channel No.1 output value is 63(100%). Channel No.2 output value is unchanged. Send60 06 00 00 3F FF D0 0B Ans:   60 06 00 00 3F FF D0 0B Get Channel 1-4 output value Send60 03 00 00 00 02 CC 7A Ans:   60 03 04 3F 20 00 00 87 2B
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#2
0xFF00 and 0x00FF, don't forget to add "write_bitmask": true
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#3
(15.11.2022, 09:21)admin Wrote: 0xFF00 and 0x00FF, don't forget to add "write_bitmask": true

The mask 0xFF00 and 0x00FF, what should I write it in?
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#4
See this example of bit-mask use
https://forum.logicmachine.net/showthrea...7#pid28317
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Ctrl+F5
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#5
(17.11.2022, 13:01)Daniel Wrote: See this example of bit-mask use
https://forum.logicmachine.net/showthrea...317#pid283
Thanks!
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