Racelogic MIM01 User manual

Mini Input Module User Manual
•01 - MIM Introduction
•02 - MIM Inputs / Outputs
•03 - MIM Connecting to VBOX Mini
•04 - MIM Connecting to VBOX
•05 - MIM Connecting to Video VBOX
•06 - MIM Connecting to 3rd party logger
•07 - MIM Software Settings
•08 - MIM Firmware Upgrade
•09 - MIM Technical Specification
•10 - MIM PIN Outs
•11 - MIM CAN Output format
•12 - MIM C Declaration of Conformity
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01 - MIM Introduction
The VBOX mini input module is a general-purpose input/output module designed for use by either the VBOX Mini or
existing VBOX products.
This module allows data such as Temperature, RPM, Wheel Speed, Fuel Flow, Throttle angles and Pedal forces to be
easily measured along with the VBOX GPS data.
Inputs
• 8 x 14 bit Analogue inputs, 0 – 14 V
• 1 x Digital State Input for event marker
• 1 x Wheel Speed Input with automatic gain control
• 1 x Low-Tension RPM input
• 2 x K-Type thermocouple interface 0 – 1000ºC
Outputs
• 1 x Digital Output*
• 1 x Analogue Output*
* Analogue and Digital outputs only available when used with a VBOX Mini.
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02 - MIM Inputs / Outputs
Thermocouple inputs
The MIM01 has 2 K-type thermocouple inputs, each input is capable of measuring temperatures from 0 - 1000°C.
ach socket is the standard thermocouple socket format; the Green colour on a thermocouple plug indicates a K-type
thermocouple, +ve (green wire) on the thin spade terminal.
See the Specification table for full thermocouple specifications
Status lights:
• Green light indicates a functioning thermocouple is connected.
• Red light indicates no thermocouple connected or a problem with the thermocouple.
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Analogue Inputs
All of the analogue inputs are non-opto isolated 14 bit 0 - 14 V inputs, and they are all non-differential inputs that share
the same ground.
An example of how to connect an isolated individual potentiometer is shown below.
Connecting to a potentiometer already installed on a car, such as a throttle potentiometer, would only require the output
signal from the pot and the earth to be connected to the MIM01 as the pot gets its power from the car.
Digital Inputs
The digital inputs are optimised to suit certain applications.
• Digital Input channel 1
Optimised for event marking due to its internal 100 Kohm pull up resistor, with a simple switch that connects the
input pin to ground. The low state is below 4 V so it can also be used as a TTL pulse input, such as fuel flow sensor
inputs.
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• Digital Input channel 2
Optimised for a zero crossing AC input signal such as a Wheel speed signal or engine crankcase signal.
• RPM input, Digital input 3
Optimised for low-tension ignition coil signals.
See the Specification table for full digital input specifications
The Name and Units for each Digital input channel can be configured. There are also other modes and options
configurable depending on the Digital Input channel.
Digital Input 1 Digital Input 2 Digital Input 3
Name Name Name
Units Units Units
Mode - event marker/frequency/
pulse Mode - frequency/pulse Pulse/Rev
Scale Scale
dge – (only in frequency mode) dge – (only in frequency mode)
Active – (only in event marker
mode)
Mode
Changes the input mode of the digital channel.
Edge
This contains two options that determine whether the frequency is measured from the RISING or FALLING edge of the
signal.
Active
High or Low, this determines whether the input trigger state is logged in an inverted or non-inverted state, see the table
below.
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Logged Trigger State
Input State Active - Low Active - High
Low High Low
High Low High
Digital input connection examples
xample 1 below shows an example of an event marker switch connection to the Digital input 1, which is hardware
optimised for event marker use.
xample 2 shows a typical connection to a wheel speed or crankcase sensor.
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xample 3 shows a typical connection to the ‘low tension side of an HT coil for RPM pickup.
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Analogue and Digital Outputs
The Digital and Analogue outputs both output velocity when connected to a VBOX Mini. The pulses/metre of the digital
output and the max velocity (at 5 V) for the analogue output is set in the Input Module Menu on the VBOX Mini.
• Press the M NU button to enter the Input Module Menu.
• Highlight the Setup Outputs option by using the ▲▼buttons then press OK to enter the Setup Outputs option.
• Use the ▲▼buttons to scroll between the Analogue Output MAX Speed and Digital output Pulses/Metre options,
then press OK to edit the value an individual option.
• Press the ▲▼buttons to adjust the value and then press OK to set the value.
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03 - MIM Connecting to VBOX Mini
To connect the MIM01 to a VBOXMini, an RLCAB045 cable must only connect to the DATA2 socket, because this data
connection is an RS232 serial data link that is only present in the DATA2 socket. The SC light under the connector will
indicate when there is serial communications present between the MIM01 and the VBOXMini.
On the VBOX Mini, the AUX connector must be used.
After each power up, the Input Module Screen on the VBOX Mini must be accessed in order for the VBOX Mini
to recognise the presence of the MIM01. After this has been done, then any of the VBOX Mini screens can be
used, but this must be done or the MIM01 channels will not be logged.
Configuring the MIM01 when connected to a VBOX Mini
When a MIM01 is connected to a VBOX Mini, the VBOX Mini will automatically log all of the input channels.
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