Modbus Holding Registers - ICP DAS USA ACS-20B-MRTU User Manual

5.1.2 Modbus Holding Registers

The Modbus Holding Registers are listed in Table 5-3. The access is read and write. Write values
to the holding registers can change settings immediately but restore to previous ones after power
cycling the module.
Address
(0-index)
259 (0x0103)
260 (0x0104)
265 (0x0109)
266 (0x010A)
267 (0x010B)
269 (0x010D)
270 (0x010D)
ACS-20B(W)-MRTU User Manual
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Table 5-3: Modbus Holding Registers (4xxxx)
(Volatile)Lock/unlock switch (0=>unlock, 1=>lock) (volatile)
(Volatile)Toggle mode (0=>disable, 1=>enable) (volatile)
(Volatile) (High word) Total number of IR sensing from power on.
(Volatile) (Low word) Total number of IR sensing from power on.
(Volatile) Relay hold time (off-delay) (ms). value=500~20000
(Volatile) Invert the Red/Blue LED for IR sensing.
0=>[default] Red (standby, NC contacts COM) / Blue (IR sensing, NO
contacts COM)
1=>Red (IR sensing, NC contacts COM) / Blue (standby, NO contacts
COM).
(Volatile) Record mode of IR sensing RTC data when the storage is full.
0=>[default] overwrite the first record,
1=>neglect the new records.
Description
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R/W
R,W
R,W
R,W
R,W
R,W
R,W
R,W
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