Sensor Interface Box ESIB
ESIB is a special device for measuring thesignals of multiple sensors. The flexible
use of microboards allows the adaptation
to a great variety of measuring tasks.
For data recording the integrated CAN-bus
can be linked to a Bosch Motronic or
CardMemory.

Mechanical data

Conditions for use

Dust and water proof aluminium housing

ECU temperature-40 … 85°C

Filtered connectors of military design with high pin
density (MIL-38999)

Max. power consumption

7 W at 14 V

Max. vibration

15 g/20 Hz … 2 kHz for t < 5 hVibration damped printed circuit boards
Flexible housing fixation points
120 x 114 x 38 mmVariations

550 g

ESIB Basic

Flexible use of microboards

ESIB-Lam 8

Lambda measurement with 8channels

Electronic data

ESIB-Lam 8S

1 microcontroller with 16 bit organisation,
calculation power 16 MIPS

Lambda measurement with 8
channels and further signals

ESIB-Thermo 8S

Exhaust-gas temperature
measurement with 8 channels
and further signals

ESIB-Ana 16S

Measuring of 16 analog signals
and 6 wheelspeed signals

ESIB-Ana 24

Measuring of 24 analog signals

Size
Weight0,5 MB RAM and up to 9 MB non-volatile flash RAM

07. July 07

motorsport@bosch.com

1/6

ESIB Basic
Flexible use of microboards
FunctionalityInputs

28 multifunctional input/output connector pins
configured with insertion of function specificmicroboards

Depending on microboards used

Max. 6 microboards

Alternative microboards

Data transfer via CAN for data logging or via K-Linefor online measuring

I8L:

8 ch analog input

I8H:

8 ch analog input (high resolution)

I6W:

6 ch wheel speed detection

L4M:

4 ch lambda measurement (LSM-type)

O4B:

4 ch universal output

I2D:

2 ch differential input

8 PWM power stages with 2,0 A output current

I4D:

4 ch differential input

Precise and independent 10 V and 5 V sensor supplyavailable

I2T:

2 ch LVDT

E4T:

4 ch exhaust-gas temp.measurement

Outputs
Serial CAN protocol to main ECU with 1 Mbps serial
K-Line or RS232 up to 500 Kbps

ESIB-Lam 8
Lambda measurement with 8 channels
Functionality

InputsLambda measuring with 8 wide range lambda
sensors

8 channels wide band lambda measuringfrom  0,8 to 1,3

Data transfer via CAN for data logging
or via K-Line for online measuring

Integrated microboards
2 x L4M

Outputs
Serial CAN protocol to main ECU with 1 Mbps serial
K-Line or RS232 up to 500 Kbps

Order number

8 PWM power stages with 2,0 A output current

B 261 208 228

Precise and independent 10 V and 5 V sensor
supply available

07. July 07

motorsport@bosch.com

2/6

07.

ESIB-Lam 8S
Lambda measurement with 8 channels and further
signals
Functionality

InputsLambda measuring with 8 wide range lambdasensors

8 channels wide band lambda measuringfrom  0,8 to 1,3Vehicle speed and track distance with inductive orhall effect speed sensor

8 channels ADC 0 … 5 V

Engine revolutions

4 wheelspeed interfaces inductive or hall effect,
free programmableThrottle position
Lap trigger signal

Integrated microboards

Lateral acceleration

2 x L4M

5 analog inputs

1 x I8L

Data transfer via CAN for data logging or via
K-Line for online measuring

1 x 6W

Order number

Outputs
Serial CAN protocol to main ECU with 1 Mbps serial
K-Line or RS232 up to 500 Kbps

B 261 208 229

8 PWM power stages with 2,0 A output current
Precise and independent 10 V and 5 V sensor
supply available

07. July 07

motorsport@bosch.com

3/6

ESIB-Lam8/Lam8S
System Overview
Lambda measurement

Application tool
Data transfer
via K-Line(CAN optional)
INCA-MSD
ESIB-Lam8/Lam8S

Data transfer
via CAN

Evaluation tool
Data transfer
via Flashcard

optional

CardMemory

WinDarab

Input signals:
 Lambda signal probe 1...8ECU

Display

External
Data logger

07. July 07

Additional Input signals:(only ESIB-Lam8S)
 engine revolutions
 car speed
 2 additional frequency inputs(revs, speed) throttle position

laptrigger input
lateral force input
5 additional analogous inputs

motorsport@bosch.com

4/6

ESIB-Thermo 8S
Exhaust-gas temperature measurement with 8 channels
and further signals
Functionality

Inputs

8 exhaust-gas temperatures

8 channels thermocouple probe sensor, Type K, DIN
IEC 584

Vehicle speed and track distance with inductive
or hall effect speed sensor

8 channels ADC 0 … 5 V

Engine revolutions

4 wheelspeed interfaces inductive or hall effect,
free programmableThrottle position
Lap trigger signal
Lateral accelerationIntegrated microboards

5 analog inputs

2 x E4T

Data transfer via CAN for data logging
or via K-Line for online measuring

1 x I8L
1 x 6W

Outputs
Serial CAN protocol to main ECU with 1 Mbps serial
K-Line or RS232 up to 500 Kbps

Order number
B 261 208 262

8 PWM power stages with 2,0 A output current
Precise and independent 10 V and 5 V sensor
supply available

ESIB-Ana 16S
Measuring of 16 analog signals and 6 wheelspeed
signals
Functionality

Inputs

16 multifunctional analog inputs

16 channels ADC 0 … 5 V

6 wheelspeed inputs

6 wheelspeed interfaces inductive or hall effect,
free programmable

Data transfer via CAN for data logging
or via K-Line for online measuring

Integrated microboards
Outputs

2 x I8L

Serial CAN protocol to main ECU with 1 Mbps serial
K-Line or RS232 up to 500 Kbps

1 x 6W

8 PWM power stages with 2,0 A output current
Precise and independent 10 V and 5 V sensor
supply available
07. July 07

Order number
B 261 208 227
motorsport@bosch.com

5/6

ESIB-Ana 24
Measuring of 24 analog signals
FunctionalityInputs

24 multifunctional analog inputs

24 channels ADC 0 … 5 V

Data transfer via CAN for data logging
or via K-Line for online measuring

Integrated microboards
3 x I8LOutputs
Serial CAN protocol to main ECU with 1 Mbps serial
K-Line or RS232 up to 500 Kbps

Order number

8 PWM power stages with 2,0 A output current

B 261 208 226

Precise and independent 10 V and 5 V sensor
supply available

07. July 07

motorsport@bosch.com

6/6