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9.5
Digital Interface
The Digital interface manages the three digital inputs: Pulse, Enable/Pulse B, and Reset. These are used to drive user-
configurable Rate, Delay, Pulse Width, Duty Cycle, Pulse Delay, and counter functions.
9.5.1 Digital Descriptor
Offset
0x00
0x01
0x02
0x03
0x04
9.5.1.1 Digital Measurement Types
The Digital interface provides a measurement dependent on the input range/type selected. The units of
measure may be changed by the user.
Sensor Type
9.5.1.2 Digital Data Type/Format
7
Smart
Sensor
0
9.5.1.2.1 Data Type
9.5.1.2.2 Factory Calibrate
9.5.1.2.3 Writeable
9.5.1.2.4 Smart Sensor
Name
Value
Sensor Type
0x??
Data Type/Format
0x46
Configuration
0x??
Sensor Device
0x??
UOMR
"??"
Measurement
0x18
DIN
0x19
FREQUENCY (RATE)
0x1a
PUSLE WIDTH
0x1b
DUTY CYCLE
0x1c
PULSE DELAY
0x1d
COUNTER
0x1e
UP/DOWN COUNTER
6
5
Factory
Writeable
Calibrate
1
0
The 4-bit Data Type field determines the type of data of the specific sensor (see Data Types).
No Factory calibration is used on the SS-015.
The writeable bit is set, indicating that the sensor values may not be overwritten.
This bit is cleared.
Description
DIN, FREQUENCY, WIDTH, DUTY_CYCLE,
DELAY, or COUNT – set by Sensor Type field in
Configuration byte.
Float, Writeable
Determines channel and Measurement Type
Determines DIN signal types
Units of measure
SI Derived Units
DIN
Hz
msec
%
msec
CNT
CNT
Digital Data Type/Format
4
3
Reserved
0
Measurement
DIN (Digital Inputs)
RATE
PULSE WIDTH
DUTY CYCLE
DELAY
COUNTER
UP/DOWN COUNTER
2
1
Data Type
6 == Floating point
0
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P a g e
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