Supplement to the Installation and Operating Instructions
New Terminal Designations for VDO LOGIC COMBI
For maximum user benefit, two terminals (3 and 27) for RPM signal input have been added to the
terminal strip. Owing to these extra terminals, the terminal designations will in some cases not jibe
with the ones used in the wiring diagrams that are found in the installation and operating instruc-
tions - see pages 11, 12, 14, 15, 17, 18, 19 and 21.
new
3
Terminal No.:
3
4
5
6
7
8
9
10
11
12
13
17
18
19
20
21
22
23
24
25
26
(27)
Important Information
Requires Immediate Attention
4
5
6
7
17 18
19 20 21
New Terminal Designation:
RXD (data input for PC)
TXD (data output for PC)
Data bus 2 to repeater
Data bus 1 to repeater
Neg. /GND illumination (earth)
+9...32 V power supply illumination
Neg. /GND (earth)
+9...32 V power supply
Alarm output
Start output
Stop output
Tachometer signal input, terminal 1
Tachometer signal input, inductive sensor (G)
Tachometer signal input, inductive sensor (W),
alternator terminal W
Water temperature
Engine oil temperature
Engine oil pressure
Gearbox pressure or turbo pressure
Fuel level
Lock programmed values
Freshwater level
Sensor GND (earth)
8
9
10
11 12 13
22
23 24
25 26 (27)
new
Terminal Designation
in the Manual:
None
Identical
Identical
Identical
Identical
Identical
Identical
Identical
Identical
Identical
Identical
RXD (data input PC)
Sensor GND (earth)
Tachometer signal input
Identical
Identical
Identical
Identical
Identical
Identical
Identical
None
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