18 |
P a g e
5.2.6
RTD IPSO Definition
The RTD sensor IPSO definition provides signal range, measured min/max values, IPSO object type information. The
Min / Max range values depend on the type of RTD.
Offset
Name
Value
Description
0x00
Sensor Type
3303 Temperature (°C)
0x02
Precision
1
Provides reading of xxx.x
0x04
Sensor Trigger Function
??
See 4.2.6.1
0x08
Min Measured
??
Minimum reading since last reset
0x0c
Max Measured
??
Maximum reading since last reset
0x10
Min Range
??
Type
Min Range
Max Range
385 / 100 ohm
-200
850
385 / 500 ohm
-200
850
385 / 1000 ohm
-200
850
392 / 100 ohm
-200
660
3916 / 100 ohm
-200
660
0x14
Max Range
5.2.6.1
Sensor Trigger Function
The Sensor Trigger function is used to reset the IPSO min/max values.
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
5.3
Digital Input / Output Interface
The DIO Interface provides 2 digital inputs which are hardwired to the Digital outputs. These may be used to detect the
state of external switches (output off) or to monitor the state of the outputs. The DIO Input descriptor is at base addresses
0x0068.
5.3.1
DIO Descriptor
Offset
Name
Value
Description
0x00
Sensor Type
0x18
Digital Type (Bit mapped)
0x01
Data Type/Format
0x46
Configurable, Float type
0x02
Configuration
0x23
Scaling applied, Bits 0 and 1 enabled
0x03
Sensor Device
0x0f
DIN bits enabled / inverted
0x04..0x08
UOMR
“DIN”
Units of measure
5.3.1.1
DIO Sensor Type
The interface provides a bit mapped input of the 2 digital signal lines.
Sensor Type
SI Derived Units
Measurement
0x18
DIN
Bit mapped digital inputs
