PEC

Auxiliary Input and Output Systems

Testing advanced batteries and modules requires more than the usual Battery Voltage, Current and Temperature measurements standard available on the SBTXX50.

Auxiliary Input and Output Systems (AIOS) obtain additional data such as individual cell temperatures or individual cell voltages, read digital inputs and control analog & digital outputs. Data received from these sensors are sent to the SBTXX50 via CAN communication. This data can be used in the test program as triggers or end conditions.

Configuration

Each AIOS backplane has 8 slots which can be equipped with different I/O modules. These I/O modules are pluggable and fit in one of the eight slots of the AIOS. Different AIOS backplanes can be connected through daisy-chain with the internal CANbus of the SBTXX50. Up to 1000 aux I/O’s can be controlled by one SBTXX50.

When connected to the internal CANbus of the SBTXX50, the Lifetest Software allows a flexible mapping of the I/O modules to each channel of the SBTXX50. The AIOS can also be connected to the CANbus interface of an individual channel. The sampling time of the modules is then increased from 1 second to 100 msec. The possible configurations can be found on the backside of this document.

Different IO’s

The AIOS backplane supports 6 types of I/O-modules: analog voltage input, analog voltage ouput, digital input, digital output and temperature sensor input (RTD modules for thermistors and THC modules for thermocouples). Technical specifications of these modules can be found on the backside of this document.