LEDs and Connections

LEDs on the MIC4

Dioden

 

Labeling

Function

Status

LED flashes green when the device is running with no errors. If an error occurs, the LED is red, for a warning it is yellow.

Firing

LED lights up when the ignition is active (exception: during the self test).

Pickup 1 to 3

Flashing LEDs indicate activity of the pickups.

GPO

LED is on when the GPO is activated.

 

Connections and Functions under the Service Cover

 

Labeling

Function

Connections and
functions under the
service screw

Power

Connection for the supply voltage (see Input Wiring – Power Supply)

USB

USB connection for connecting to the PC

PB

Button acknowledges errors, warnings and alarms or triggers a reset of the ignition controller. Please refer also to the notice below.

A/B

Potentiometer for the manual adjustment of the ignition timing. The setting only has an effect if the potentiometer in the MICT is activated.

Pickup

Connection for the pickups (see Input Wiring – Pickups)

CAN

CAN interface for connecting external equipment (see Output Wiring – CAN Bus Interface)

Binary Output

Connection for binary outputs (refer to Output Wiring – Binary Outputs (Go/NoGo, GPO, ASO))

RS485

RS485 interface for connecting external equipment (see Output Wiring – RS485 Interface)

Analog/Binary Input

Connection for timing & safety devices (see Input Wiring – Timing and Safety Devices)

 

Behavior of the button PB

With the PB button on the device you can perform the following actions:

  • Press briefly (< 3 s):
    Existing warnings are acknowledged.
  • Press longer than 3 s:
    If no pickup signals are detected and an operating error exists, this will be acknowledged together with all alarms. Warnings are acknowledged in any case, even if no operating error exists.
  • Press longer than 15 s:
    If no pickup signals are detected, the ignition controller restarts.