
DAD 141.1 Technical Manual Modbus Communication, Rev. 2.3 - Juni 2014 Page 4
This Index returns the current Firmware version of a DAD141.
The 32 bit integer data is obtained by reading 2 16-bit registers from index 202E.
The the high word (202E) are 0 (zero) and the low word (202F) should be split into two bytes:
1. Byte is the minor IV, e.g. 02h (02d).
2. Byte is the major IV, e.g. 17h (23d).
see also command description: IV Firmware Version
This Index returns the current Status for a DAD141.
The 32 bit integer data is obtained by reading 2 16-bit registers from index 2030.
see also command description: IS Device Status
This Index returns the serial number of the DAD141.
The 32 bit integer data is obtained by reading 2 16-bit registers from index 2034.
see also command description: RS Read Serial Number
This Index returns the latest Qualifier value obtained from a DAD141.
The 16 bit integer data is obtained by reading one 16-bit registers at index 2060.
The Qualifier bit values are:
0001h - Under range
0002h - Over range
0010h - No motion, still stand, steady state
0020h - Tare set
0100h - Set-point 0 (source>limit)
0200h - Set-point 1
0400h - Set-point 2
The Qualifier word are also sent when reading multiple DAD141 data at index 3300 or 3500.
This Index is used to set or reset Zero, Tare or Max / Valley / Peak2Peak.
The 16 bit integer data is accessed by writing one 16-bit register at index 2061.
see also command description:
01h: RZ Reset Zero
02h: SZ Set Zero
04h: RT Reset Tare
08h: ST Set Tare
10h: RM Reset Max
20h: TH Trigger Hold
This Index is used to trigger measurements in the DAD 141.1.
The 16 bit integer data is accessed by writing one 16-bit register at index 2062.
The value 0080h starts the triggered measurement.
see also command description: TR Software Trigger
This Index is used to Initiate writing to the DAD141 EEPROM.
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