Megasquirt Where do I find "Errors* daughterboard"
#2
I have a listing of the pinout definitions:
Connections and Wiring
----------------------
+5V Power and GND
+5V - +5 Volt from MS (Powers: Seq. Shift Lights, Nitrous Control, Launch Control, Dual VR Conditioning, and BOTH Table Switching)
GND - Ground for whole board
Dual VR Conditioning Circuit
T1 - VR Sensor #1 Input (To Base wheel - i.e. 2pin Wheel in rotary)
T5 - VR Sensor #1 GND /w Load Resistor
T3 - Conditioned Output for VR Sensor #1 [Pin 6 of U4 on MS Board]
T2 - VR Sensor #2 Input (To Reset wheel - i.e 24pin wheel in rotary)
T6 - VR Sensor #2 GND /w Load Resistor
T4 - Conditioned Output for VR Sensor #2 [Pin 11 on U1 on MS Board]
T1 and T5 should be for the 2 pin wheel
T2 and T6 should be for the 24 pin wheel
Sequential Shift Lights
T7 - Input #1 [Pin 11 of U1 on MS Board]
T8 - Input #2 [Pin 10 of U1 on MS Board]
T9 - Upper Limit LEDs
T10 - Med Limit LEDs
T11 - Lower Limit LEDs
Outputs 1 to 4
T12 - Output 1 [X4 Jumper on MS Board]
T13 - Output 2 [X5 Jumper on MS Board]
T14 - Output 3 [Top Leg of R14 on MS Board]
T15 - Output 4 [Right Leg of R26 on MS Board]
T16 - Output 1 Relay
T17 - Output 2 Relay
T18 - Output 3 Relay
T19 - Output 4 Relay
T20 - +12V Power for Relays [To Battery]
Table Switching (Active High Input)
T21 - 12V Switched from Clutch Switch or Knock Circuit
T22 - Output [JP1 pin 6 on MS Board]
Table Switching (Active Low Input)
S1 - Active Low Switch Input [Toggle Switch to GND]
T38 - Output [JP1 pin 6 on MS Board]
Boost Control
T23 - Output [X4 Jumper on MS Board]
T24 - To Fast Acting Solonoid Valve
Water Injection Control
T25 - Output [X3 Jumper on MS Board]
T26 - To Fast Acting Solonoid Valve
*You must use one of the outputs in the Output circuits to X2 Jumper on the MS Board
Nitrous Control
T27 - Output [Pin 6 of JP1 on MS Board]
T28 - Anti-Lag Switch
T29 - Relay 1 Contact
T30 - Nitrous/Fuel Solenoids
*You must use one of the outputs in the Output circuits to X3 Jumper on the MS Board
EGT Logging
T31 - To K Type Sensor (Alumel [Red]) + ***Splice into a Ground from the Daughter Board
T32 - Cromel (Yellow)
T33 - Output [To X6 Jumper on MS Board]
2nd O2 Sensor Input
T34 - Output [Jumper X6 or X7 on MS Board]
T35 - Input from 2nd O2 Sensor
Launch Control
T36 - Output [Pin 4 of JP1 on MS Board]
T37 - Clutch Switch (+12V Switch)
Connections and Wiring
----------------------
+5V Power and GND
+5V - +5 Volt from MS (Powers: Seq. Shift Lights, Nitrous Control, Launch Control, Dual VR Conditioning, and BOTH Table Switching)
GND - Ground for whole board
Dual VR Conditioning Circuit
T1 - VR Sensor #1 Input (To Base wheel - i.e. 2pin Wheel in rotary)
T5 - VR Sensor #1 GND /w Load Resistor
T3 - Conditioned Output for VR Sensor #1 [Pin 6 of U4 on MS Board]
T2 - VR Sensor #2 Input (To Reset wheel - i.e 24pin wheel in rotary)
T6 - VR Sensor #2 GND /w Load Resistor
T4 - Conditioned Output for VR Sensor #2 [Pin 11 on U1 on MS Board]
T1 and T5 should be for the 2 pin wheel
T2 and T6 should be for the 24 pin wheel
Sequential Shift Lights
T7 - Input #1 [Pin 11 of U1 on MS Board]
T8 - Input #2 [Pin 10 of U1 on MS Board]
T9 - Upper Limit LEDs
T10 - Med Limit LEDs
T11 - Lower Limit LEDs
Outputs 1 to 4
T12 - Output 1 [X4 Jumper on MS Board]
T13 - Output 2 [X5 Jumper on MS Board]
T14 - Output 3 [Top Leg of R14 on MS Board]
T15 - Output 4 [Right Leg of R26 on MS Board]
T16 - Output 1 Relay
T17 - Output 2 Relay
T18 - Output 3 Relay
T19 - Output 4 Relay
T20 - +12V Power for Relays [To Battery]
Table Switching (Active High Input)
T21 - 12V Switched from Clutch Switch or Knock Circuit
T22 - Output [JP1 pin 6 on MS Board]
Table Switching (Active Low Input)
S1 - Active Low Switch Input [Toggle Switch to GND]
T38 - Output [JP1 pin 6 on MS Board]
Boost Control
T23 - Output [X4 Jumper on MS Board]
T24 - To Fast Acting Solonoid Valve
Water Injection Control
T25 - Output [X3 Jumper on MS Board]
T26 - To Fast Acting Solonoid Valve
*You must use one of the outputs in the Output circuits to X2 Jumper on the MS Board
Nitrous Control
T27 - Output [Pin 6 of JP1 on MS Board]
T28 - Anti-Lag Switch
T29 - Relay 1 Contact
T30 - Nitrous/Fuel Solenoids
*You must use one of the outputs in the Output circuits to X3 Jumper on the MS Board
EGT Logging
T31 - To K Type Sensor (Alumel [Red]) + ***Splice into a Ground from the Daughter Board
T32 - Cromel (Yellow)
T33 - Output [To X6 Jumper on MS Board]
2nd O2 Sensor Input
T34 - Output [Jumper X6 or X7 on MS Board]
T35 - Input from 2nd O2 Sensor
Launch Control
T36 - Output [Pin 4 of JP1 on MS Board]
T37 - Clutch Switch (+12V Switch)
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Jeff20B
1st Generation Specific (1979-1985)
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09-16-18 07:16 PM