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Modules Provide Two CAN Bus Isolated Interfaces

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Two versions of a new CAN bus interface module interface network sensors and actuators to high-performance control systems. Introduced by Acromag, the IP560 is an Industry Pack ANSI/VITA-4 card that plugs into VME, CompactPCI and PCI bus mezzanine carrier cards or single-board computers in embedded systems. The IOS-560 models are designed for use within Acromag’s I/O Server industrial PC, a small fanless box computer, which services mobile computing, machine control and test applications. Both CAN bus interface modules feature two channels with optional isolation. Each channel has an NXP SJA1000 CAN controller with a TJA1041 transceiver. Extended temperature models support -40? to 85°C operation. Single quantity pricing starts at $500.

All models have two complete CAN bus interfaces, each using an NXP SJA1000 CAN controller with a high-speed TJA1041 transceiver. The advantage of this design is that it allows reporting of bus fault conditions directly from the transceivers. It also has the ability to transmit, receive and perform message filtering on extended and standard messages. The modules support CAN 2.0B protocol compatibility and ISO 11898 compliance for Part A (11-bit) and Part B extended (29-bit) arbitration IDs. PeliCAN mode extensions provide numerous communication capabilities. An isolation option eliminates ground loop potentials and protects equipment from electrical noise, surges and spikes. The 1000V isolation barrier safely separates channel-to-channel and channel-to-host.

To simplify software development, Acromag offers several programmer support tools. A Windows development package provides API development software and Win32 DLL drivers, plus examples for C, Visual Basic, .Net and LabVIEW environments. The Linux software includes a library of I/O function routines to speed code development. IP modules are additionally supported by C libraries for VxWorks and QNX real-time operating systems. These packages include demonstration programs with C source code to test and exercise the I/O module operation.

Acromag, Wixom, MI. (258) 624-1541. [www.acromag.com].