2. Operation
2.1 Connection
The HMCflex unit is attached using the supplied clamping brackets or three M6 threaded bushes in
the housing bottom. The HMCflex is electrically connected via a 19-pole D plug, Type HDP 26-24-19
SE. The standard wiring is shown below.
Low-power contacts
1
Oil pressure
2
"D+" terminal (excitation)
3
Temperature
4
Miscellaneous
5
Terminal 31, GND, earth
6
Operating solenoid, excitation wind-
ing
7
Auto/Manual feed off/Return stroke
on
(plus switching)
9
External stop/hood or cover switch
11
Feed
13
"W" terminal
15
Return stroke
17
CAN Low
19
CAN High
High-power contacts
8
50f to starter
10
19/17 pre-glowing
12
19/17 pre-glowing or Cl.15
(programmable)
14
"30" terminal, battery +
16
"30" terminal, battery +
18
Operating solenoid, pull-in winding
The HMCflex unit can be used for engine monitoring in conventional engines. For this purpose, wire
the engine parameters to be monitored according to the above diagram.
8/40
Operating Instructions
ehb wire code
green 1mm²
white 1mm²
brown 1mm²
grey 1mm²
blue 1mm²
black 1mm²
orange 1mm²
grey/red 1mm²
green/white 1mm²
green/grey 1mm²
green/black 1mm²
brown twisted pair or
shielded
white twisted pair or
shielded
Versoin 2.9.4
purple 2.5 mm²
yellow 2.5 mm²
yellow 2.5 mm² or red 2.5mm²
brown 2.5mm²
brown 2.5mm²
black 2.5mm²
© ehb Errors expected.
HMCflex