38
2.3.2. Digital Input
The digital input is already equipped with a pull-down resistor. This means that the
reading of the floating input is always low. The electrical specifications are as follows:
Parameter
Min
Typical
Max
Unit
Input Voltage
-0.5
-
30
V
Logic Low Voltage
-
-
1.0
V
Logic High Voltage
1.6
-
-
V
Input Resistance
-
47k
-
Ω
2.3.2.1. Tool Digital Input Usage
The following figure shows the connection with the simple switch.
2.3.3. Tool Analog Input
The tool analog input is a non-differential input. The electrical specifications are as
follows:
Parameter
Min
Typical
Max
Unit
Input Voltage in Voltage Mode
-0.5
-
3.3
V
Resolution
-
12
-
Bit
Input Current in Current Mode
-
-
-
mA
Pull-down Resistors in the 4mA to 20mA Current
Range
-
-
165
Ω
Resolution
-
12
-
Bit
1. In the current/voltage mode, the analog input does not
provide over-voltage protection. Exceeding the limits in the
electrical code may result in permanent damage to the input
port.
2. In current mode, the pull-down resistance depends on the
range of the input current.
