ETK-S21.1 - User’s Guide
36
ETAS GmbH
Technical Data
7.5
Configuration
7.6
Serial ETK Interface for Application System
7.7
Environmental Conditions
7.8
Power Supply
Item
Characteristics
Configuration
Project-specific configuration for
- different microcontrollers or
- memory configurations
stored in EEPROM
Update
Logic devices updated through soft-
ware
Item
Characteristics
Transmission speed
100 Mbit/s
Cable length
max. 30 m / 100 ft
Serial Interface
DC decoupling
Item
Characteristics
Temperature range (operation)
- 40 °C to +110 °C/ - 40 °F to +230 °F
Temperature range (storage)
0 °C to +50 °C/ - 18 °F to +122 °F
Relative humidity (non-condensing)
0 to 95%
Operating altitude
max. 5000 m/ 16400 ft
Contamination level
2
Degree of protection
Determined by installation in ECU
Parameter
Symbol
Condition
Min Typ
Max Unit
Permanent power
supply
U
Batt
Vehicle usage
1)
4.3
12
36
V
[all values ±0%]
Cranking voltage U
Batt
< 3 seconds
3
V
Standby current
I
STBY
U
Batt
= 12 V;
ECU off;
no load from ECU;
T = 20 °C
10
38
42
mA
Operating current I
Batt
U
Batt
= 12 V;
no load from ECU;
T = 20 °C
50
100
220
mA