Omega SP-013, Руководство пользователя

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32 | M 5 7 5 1
7.2.2 Process Device Byte
The Sensor Device field determines the signal types for each of the channel bits.
Analog Inputs
7 6 5 4 3 2 1 0 Description
1 X 0 0 0 0 0 0 Single Ended
7.2.3 Process Sensor Parameters
There are no Process Sensor Parameters.
7.2.4 Process IPSO Definition
The IPSO process definition provides signal range, measured min/max values, IPSO object type information.
Offset Name Value Description
0x08a8 Sensor Type
Value Description
3317 Current (mA)
3316 Voltage (mV)
0x08aa Precision
0-24 mA 1 - display as xx.x
0-1000 mV -1 - display as xxx0.0
0-2000 mV -1 - display as xxx0.0
0x08ac
Sensor
Trigger
?? Write any value to force a reset of min/max
0x08b0
Min
Measured
?? Minimum reading since the last reset
0x08b4
Max
Measured
?? Maximum reading since the last reset
0x08b8 Min Range Range Minimum Maximum
0-24 mA 0 24 mA
0 – 1 Vdc 0 1000 mV
0x08bc Max Range
7.2.4.1 Process Resolution
The measured mA value is rounded to p/- 0.1 mA resolution.
The measured mV value is rounded to p/- 10 mV resolution.
7.2.4.2 Process Sensor Trigger Function
The Sensor Trigger function is used to reset the IPSO min/max values as well as control the Calibration
process.
Process Sensor Trigger Function
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0
Reset
Min/Max
15 14 13 12 11 10 9 8
0 0
Calibration
Reset
Calibration
Status
Calibration
Mode
Capture
High
Capture
Low
Calibration
Start
Setting the Reset Min/Max bit to 1 will reset the Min/Max values recorded by the IPSO process. No User
Calibration process is supported on the Process inputs and all configuration bits should be written as 0.