Lighthouse Worldwide Solutions REMOTE 5104V, Operating Manual

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R5104V MODBUS Register Map v1.44
248083293-1 Rev 7 A-11
Device Status Word
Note:
Although
MODBUS sends 4 bytes of
status information,
Lighthouse instruments
only use the first (least
significant) byte.
The registers used for the Device Status Word are 30007 and 30008.
The bit order of the Device Status Word is 7 to 0 (right to left), where
bit 7 is the most significant bit and bit 0 is the least significant bit.
The bits within the Device Status Word are flagged to indicate
particular conditions of the currently indexed data record.
If multiple states occur, the bits are added together. For example, a
Flow Alert and a Particle Overflow would return a value of 6 in register
30008 (bits 1 and 2 are set TRUE).
Data Enable Registers
Note:
All data records
have the same enable
states. The user does not
have to read the enable
registers for every record.
The 31xxx register series is used to determine which data items in
30xxx are enabled. Enabled items contain recorded data. Data
retrieved from disabled items return garbage. Data items are disabled
for particle channels not supported by the device or when the device
software is configured not to record data for those items.
The Enable Registers (31xxx series) run in parallel with the Data
Registers (30xxx series). For example, Data Register 30010’s Enable
Register is 31010. Data Register 30016’s Enable Register is 31016.
The 31xxx register states are:
00000000h = Disabled
FFFFFFFFh = Enabled
Table A-12 Device Status Word
Bit Description
0 Laser Alert Status
0 = Laser is good 1 = Laser Alert
1 Flow Alert Status
0 = Flow Rate is good 1 = Flow Rate Alert
2 Particle Overflow Status
0 = No overflow 1 = Overflow occurred
3 Instrument Service Status
0 = Working correctly 1 = Instrument malfunction detected.
4 Particle Threshold Exceeded Status
0 = Threshold not exceeded 1 = Threshold exceeded