Rev.
0 10/2010
HARDWARE SPECIFICATIONS
Document: IVECO Generic Interface Module Specifications MIHI0100.20
File: Hardware Description MIHI0100.20.odt
Reference: MIHIEH00.20 Original Date: 02/11/11
Review: 1 Review Date: 02/11/11
Prepared by: Aitor Ubierna Reviewed by:
CN1: Controller output
SIGNAL DESCRIPTION TYPE
NA Water level alarm Digital output NPN
NC Fuel Level Analog Output
PAC Water in fuel alarm Digital output NPN
RC Fuel reserve warning Digital output NPN
BPA Low oil pressure alarm Digital output NPN
ATA High water temperature alarm Digital output NPN
CN2: Controller inputs / Bus communications
SIGNAL DESCRIPTION TYPE
JS BUS cable Shielding CAN BUS
CAN L Line Bus J1939 CAN BUS
CAN H Line Bus H J1939 CAN BUS
D+ Alternator excitation signal INPUT PNP
In +15 Start-Stop signal INPUT PNP
ARR_IN Engine start signal INPUT PNP
CN3: Power input and Preheating
SIGNAL DESCRIPTION TYPE
+ BAT Power Battery Positive Out
-BAT Power Battery Negative Out
PR Preheating In
CN4: Power input from battery
SIGNAL DESCRIPTION TYPE
+ BAT Battery positive In
-BAT Battery Negative In
CN5: Engines output
SIGNAL DESCRIPTION TYPE
ARR Starter motor Driver output 70A
CALC Fuel heating Driver output 70A
PR Preheat Bypass Output PNP
CN6: Engine Outputs
SIGNAL PIN ECU PIN ECU DESCRIPTION TYPE
NEF CURSOR
+15 39 40 Configurable output (+15) Driver output 70A
D+ Bypass Output PNP
BAT+ 1 2 ECU Battery Positive Power
BAT+ 7 3 ECU Battery Positive Power
BAT+ 12 8 ECU Battery Positive Power
BAT+ 13 9 ECU Battery Positive Power
JUMPERS DESCRIPTION
Name Position 1-2 Position 2-3 Default position
JP1 Preheating no connected Preheating connected 1-2
JP2 Relay preheating no connected Relay preheating connected 1-2
JP3 CAN termination connected CAN termination no connected 1-2
JP4 Manual Ignition ON OFF Manual Ignition OFF 2-3
JP5 NEF: 50Hz / CURSOR: 60Hz NEF 60Hz / CURSOR 50Hz NEF: 1-2 / CURSOR: 2-3
SWITCHES DESCRIPTION
Switch Position NEF 12/24 Position CURSOR
S1 ↑ ↑
S2 ↓ ↓