Heinzmann KRONOS 20 User Manual

4 Control Unit KRONOS 20
KRONOS 20 19
4.1.2 Inputs and Outputs
All inputs and outputs are reverse polarity protected and short-circuit-proof against bat-
tery plus and minus.
Temperature input (terminal 4) for PT1000 / Ni1000 sensors
Tolerances: < ±2°C at 0°C to 130°C,
otherwise < ±4°C
Reference voltage for P-/T sensor U
ref
= 5 V ±1 %, I
ref
< 30 mA
(terminal 6)
Closed loop input (terminal 7) U = 0..5 V, R
e
= 100 kΩ, f
g
= 15 Hz
or I = 4..20 mA
Digital input (terminal 9) U
0
< 2 V, U
1
> 6.5 V, R
pd
= 100 kΩ
Digital input engine stop U
0
< 2 V, U
1
> 6.0 V R
pd
= 4.75 kΩ
(terminal 11) or R
pu
= 4.75 kΩ or R
pd
= 150 kΩ
Speed input (terminal 13) for inductive sensors, with
f
i
= 25 to 9000 Hz, U
i
= 0.5 to 30 V AC
MAP pressure input (terminal 16) U = 0..5 V, R
e
= 100 kΩ, f
g
= 15 Hz
Control outputs for gas valve I
sink
< 0.3 A, U
rest
< 1.0 V, I
leak
< 0.1 mA
(terminals 1 and 2) R
pu
= 4.75 kΩ or R
pu
= ∞, low-side switching
Digital output error lamp I
sink
< 0.3 A, U
rest
< 1.0 V, I
leak
< 0.1 mA
(terminal 10) R
pu
= 4.75 kΩ or R
pu
= ∞, low-side switching
Serial interface ISO 9141, variable from 2.4 kbit/s to 57.6 kbit/s
Standard 9.6 kbit/s
CAN bus (terminals H and L) HEINZMANN-CAN or customer specification

Heinzmann KRONOS 20 Specifications

General

Brand	Heinzmann
Model	KRONOS 20
Category	Control Systems
Language	English