Pwm - MC Technologies MC100 Terminal User Manual

MC100
Mobile programmable gateway
Port
+A3
-A3
+A4
-A4
Note: A current of up to 20mA must be fed in from a current source.
Function: Reading the current inputs (v1.04 and older)
Port
+A3,-A3
+A4,-A4
Example:
Command:
Response:
Function: Reading the current inputs (v1.0.5 and later)
Port
+A3,-A3
+A4,-A4
Example:
Command:
Response:
Note:
Formula:
Example:
11.5.5
Port
GND
PW2
PW1
PU
Function: Switching the digital outputs (v1.0.4 and later)
Port
PW2
PW1
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Description
Positive connection Input 3
Negative connection Input 3
Positive connection Input 4
Negative connection Input 4
Parameter Read
Value x
Value x
Read current at ADC input +A3,-A3
cat /sys/gpio_board_ADC/ampere/amp0/value
e.g. 2000
Parameter Read
Value x
Value x
Read current at ADC input +A3,-A3
cat /sys/gpio_board/current_in1/value
e.g. 2000
Converting to mA
Current in mA = Value / 200
Value = 2000 corresponds to 10mA

PWM

Description
Ground, Earth
Open collector digital output.
Open collector digital output.
Input for internal protection diode (freewheeling diode) for inductive
loads. (positive supply voltage)
Parameter Read
Prescaler {0,1025}
Pulse {0,65535}
Prescaler {0,1025}
Pulse {0,65535}
Write
/sys/gpio_board_ADC/ampere/amp0/value
/sys/gpio_board_ADC/ampere/amp1/value
Write
/sys/gpio_board/current_in/1
/sys/gpio_board/current_in/2
Write
x /sys/gpio_board_IO/outputPwm/pwm1/prescalar
/sys/gpio_board_IO/outputPwm/pwm1/pulse
x /sys/gpio_board_IO/outputPwm/pwm0/prescalar
/sys/gpio_board_IO/outputPwm/pwm0/pulse
Path
Path
Path
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