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5.3
Digital Input / Output Descriptor
The DIO Interface provides 2 digital inputs that 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.
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
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
5.3.2
DIO Data Type/Format
DIO Data Type
7
6
5
4
3
2
1
0
Smart Sensor
Sensor
Writable
Factory
Calibrate
Reserved
Data Type
0
0
0
0
6 == Floating point
Note:
Please refer to the Smart Sensor Interface Technical Guide for more information regarding this descriptor.
5.3.2.1
Data Type
The 4-bit Data Type field determines the type of date of the specific sensor.
5.3.2.2
Factory Calibrate
The Factory Calibrate bit is not used for DIO types.
5.3.2.3
Sensor Writeable
If the Sensor Writeable bit is set the sensor value may be overwritten with a preset value. This capability is useful
in sensors such as up/down counters, where a preset, or possibly a zero value must be written to the sensor
value.
5.3.2.4
Smart Sensor
Refer to the
Smart Sensor Device Interface
documentation.
5.3.3
DIO Input Configuration
DIO Input Configuration
7
6
5
4
3
2
1
0
Available Assigned
Apply
Scaling
Lock
Sub Channel Selection
0
0
1
?
0x03 == bits 0 and 1
