SID control panel (737)
SID control panel (737) |
Principal use |
Functions in SIDC (SID control panel)
SIDC is used to• |
adjust the brightness of the instrument illumination
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switch between SID functions
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adjust customer settings
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turn on or off TCS or ESP function
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turn on or off extra equipment
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Night Panel (extinguishes certain parts of instrument illumination)
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delete a setting
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Type |
SIDC comprises two variants, one with TCS button and the other with ESP button.
The buttons are instant and the INFO knob has 18 distinct positions with spring-return pushbutton function.
SIDC has limited electronics and communicates on a wired link to ICM using PWM signals (square wave).
SIDC has a 12-pin connector.
Connection |
Pin no.
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Signal type
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Description
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1 | Output signal, INFO knob | Turning the INFO knob in one direction grounds ICM pin 11. |
2 | Output signal, INFO knob | Turning the INFO knob in one direction grounds ICM pin 12. |
3 | Power supply | Power supply from ICM pin 13 |
4 | Output signal, button press | To ICM pin 14. PWM signal 5V 960Hz square wave with pulse ratio between 10-90%. |
5 | Output signal, brightness adjustment of instrument lighting | To ICM pin 15. PWM signal 5V 960Hz square wave with pulse ratio between 10-90%. |
6 | Ground | Ground from ICM pin 16 |
7 | Wake-up signal | Wake-up signal from ICM pin 17 |
Output signal, INFO knob
Signal from button push, wake-up signal and ground and power supply
When the INFO knob is not depressed, SIDC sends a PWM signal with pulse width 50% and when it is depressed (SET) to save a value, the pulse width changes to 70%.