Auxiliaries and Options

Arbin Instruments provides a wide variety of auxiliary modules for expanding the capability of the main I, V control circuitry. These auxiliary modules are classified as input-only, input/output, and control modules.  Each module is of plug-in type to the bus board, which carries all communications and power distribution.

Input Modules

Auxiliary inputs can be used to record corresponding data and control tests based on measured values. We offer auxiliary voltage, temperature (thermocouple and thermistor), pressure, and pH modules. Each module contains 8 channels (except thermistor which contains 16). Modules can be added in multiples.

Input/Output Modules

The Digital Input/Output module sends and receives a simple digital on/off signal. Available in TTL and Relay. 8ch input and 8ch output per module. We also offer Analog I/O channels. Please contact us for Analog requests.

Control Modules

Arbin also offers control modules for auto-calibration, AC impedance, Smart Battery (SMBus), External Charger, High Speed Pulse, Temperature Chamber Interface, etc. For other special requests (CAN Bus) please contact us for availability.

High Speed Pulse
TThis option provides the capability to run GSM, CDMA, TDMA or other custom designed pulses. We define a High Speed Pulse as a subsecond single or repeated pulse profile. Each single pulse profile can have up to 10 stages. To generate a good pulse shape, it is important to have a rise time that matches your pulse requirement. Pease consult with your Sales Engineer regarding the appropriate circuit to meet your requirements.

Smart Battery Testing
The smart battery (SMB) auxiliary module is used to communicate with smart batteries using SMBUS 1.1 or 2.0 (please specify). This feature allows the user to read/write registers on teh smart battery as well as compare data collected from the smart battery with data that the Arbin system measures directly. Both the behavior of electronic devices residing in the smart battery and the performance of the smart battery itself can be tested with this function.
 

External Charger/Load
This is a useful option when qualifying chargers to be used with your batteries or studying load profiles. Using this option, the user connects the battery to the regular channel and the charger or load to the External Charge input provided. The user can program the battery to be charged/discharged by the external charger/load at a predetermined step in the schedule. The system internally and automatically connects the battery to the charger/load. During the External Charge/Load step, the Arbin system collects data about the charger/load performance. The system then disconnects the charger/load once the preset limit conditions are met.
 

Auto-Calibration
This option allows all the channels to be calibrated automatically for each current range (current <=20A), each voltage range (voltage<=70V), and each auxiliary voltage channel. The user sets the desired accuracy and this module will generate a results report once the calibration has finished. This report documents the “as found” and “as left” calibration information. An HP34401A, HP34410A, or KEITHLEY2100 multimeter is generally used in this process (sold separately). This option includes the ACVIVUS-8 connection bus and necessary wiring for up to 24 channels. Additional ACVIBUS-8 modules can be purchased separately.
 

AC Impedance Measurement
AC impedance measurement is recommended to obtain a samples internal impedance. This measurement is commonly used to determine the health of a battery, capacitor, or fuel cell.  While the Arbin system is not designed to replace dedicated FRA or scanning AC Impedance equipment, it can provide a general idea about the impedance of the device under test - and at a fraction the cost of specialized FRA equipment. The ACIM module can achieve an accuracy of ±5% of the measured value.  This module applies sine wave current at four fixed frequencies (200Hz, 500Hz, 1kHz, or 2kHz) to the device and the resulting values can be used to control the test.
 

Temperature Chamber Interface
The Temperature Chamber Interface option (MTCI) allows the system to communicate with a temperature chamber controller during testing. The MTCI module tells the chamber controller what temperature setpoint to use during each test step, allowing the user to program complex automatic temperature profiles in their tests. Consult your Sales Engineer for a full list of supported chambers and MTCI specifications.

 

   
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762 Peach Creek Cut Off RD, College Station, TX 77845, USA Phone: (979) 690-2751 Fax: (979) 690-2761

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