The input wiring of the timing and safety equipment is dependent upon the hardware version of the ignition controller. These are found in the MICT in the view Runtime Data – Information (refer to section Runtime Data – Information).
Wiring Hardware Version 1.3.x/1.4.x (Example Configuration)
*) See subsequent drawings for details
x = bridge for permanent authorization (must be removed for external ignition authorization)
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Switch Start/Stop |
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open |
Ignition – OFF |
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closed |
Ignition – ON |
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Switch A/B |
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open |
Schedule A |
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closed |
Schedule B |
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Wiring Hardware Version 1.2.x (Example Configuration)
*) See subsequent drawings for details
x = bridge for permanent authorization (must be removed for external ignition authorization)
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Switch Start/Stop |
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open |
Ignition – OFF |
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closed |
Ignition – ON |
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Switch A/B |
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open |
Schedule A |
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closed |
Schedule B |
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Two-Wire Transmitter |
Four-Wire Transmitter |
Auxiliary analog input supply voltage An auxiliary supply voltage for the analog inputs can be configured using the MICT. The voltage can be set in the range of 5 to 24 V and is made available on the connection Analog Power. Refer to the section Timing – Analog Inputs. |
Wiring MIC4 ignition controller and DetCon detonation control system The following diagram shows an example of the wiring of a MIC4 ignition controller with a DetCon detonation control system in cases where the analog current signal (4-20 mA) at the output I out is to be used for the ignition timing adjustment.
Furthermore, the limits of the analog current input will need to be set at 4 mA to 20 mA and the auxiliary supply voltage of the analog inputs to 24 V in the MICT. Refer to the section Timing – Analog Inputs. The timing is transmitted by MIC4 via the auxiliary synchronization output (ASO) to the DetCon, and will need to be wired and configured accordingly. Refer to the section Output Wiring – Binary Outputs (Go/NoGo, GPO, ASO). |
General purpose input GPI The general purpose input GPI can be assigned various functions via the configuration. Refer to the section Inputs/Outputs – Inputs. |