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P a g e
5.1.4
Process Input Sensor Device
The Sensor Device field determines the signal types for each of the channel bits.
CHANNEL 0
A
SIG 0 .. 2 (Analog Input)
7 6 5 4 3 2 1 0
Description
1 X 0 0 0 0 0 0
Single Ended
5.1.5
Process IPSO Definition
The IPSO process definition provides signal range, measured min/max values, IPSO object type information.
Offset
Name
Value
Description
0x00
Sensor
Type
Value
Description
3317
Current (mA)
3318
Voltage (mV)
0x02
Precision
0-24 mA 1 - display as xx.x
0-1000
mV
-1 - display as xxx0.0
0x04
Sensor
Trigger
??
Write any value to force reset of min / max
0x08
Min
Measured
??
Minimum reading since last reset
0x0c
Max
Measured
??
Maximum reading since last reset
0x10
Min Range
Range
Minimum
Maximum
0-24 mA
0
24 mA
0 – 1 Vdc
0
1000 mV
0x14
Max Range
5.1.5.1
Sensor Trigger Function
The Sensor Trigger function is used to reset the IPSO min/max values as well as controlling the Calibration 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
0
0
0
0
0
0
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.