UMAX180800, 20 Thermocouple, 2 RTD, 4 Inputs, 6 Relays Dual CAN Controller
Version 1
Page: 17-71
Each
Universal Input
function block has the following configuration parameters.
Table 7. Universal Input Function Block Configuration Parameters
Parameter
Default Value
Range
Units
Description
Input Parameter
1 - Voltage
0 - Input Disabled,
1 - Voltage,
2 - Current,
3 - Discrete Voltage
Level,
4 - Frequency,
5 - PWM Duty Cycle
–
Defines the input physical
parameter that will be
measured by the function
block.
Voltage Range
0 -
0…5V
0 -
0…5 V,
1 -
0…10 V
V
Used in the "Voltage"
mode
Current Range
1
0 -
0…20 mA
0 -
0…20mA,
1 -
4…20 mA
mA
Used in the "Current"
mode
Input Range Min
0
0…100
-
Depends on the Input
Parameter. Used for
diagnostic purposes
Input Range Max
5
0…100
-
Depends on the Input
Parameter. Used for
diagnostic purposes
Voltage LoZ Input
0 - No
0 - No,
1 - Yes
–
Activates a 10kOhm pull-
down resistor to avoid
ghost voltages in the
"Voltage" mode. Warning:
Measurement accuracy
will be decreased!
Analog Input Filter
0 - Disabled
0 - Disabled,
1 - 50Hz Noise
Rejection,
2 - 60Hz Noise
Rejection,
3 - Both: 60Hz and 50Hz
Noise Rejection
–
Noise Rejection in
"Voltage", "Current" and
“Resistance” modes
Pull-Up/Pull-Down
Resistor
0 - Disabled
0 - Disabled,
1 - 10kOhm Pull-Up,
2 - 10kOhm Pull-Down
–
Used in "Discrete Voltage
Level", "Frequency", and
"PWM Duty Cycle"
modes.
Input Polarity
0 - Active High
0 - Active High,
1 - Active Low
–
Used in "Discrete Voltage
Level", "Frequency", and
"PWM Duty Cycle"
modes.
Discrete Input
Debounce Time
50ms
0…1000
ms
Used in "Discrete Voltage
Level" mode. If 0 - no
debouncing.
Frequency Range
0 -
1Hz…10kHz
0 -
1Hz…10kHz,
Hz
A 16-bit counter is used.
Used in "Frequency", and
"PWM Duty Cycle"
modes.
