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Products   >   Communications Modules   >   CAN I/O   >   Janus-MM-LP Dual or Quad CAN Module

Janus-MM-LP Dual or Quad CAN Module

View Datasheet

Quad or Dual Isolated CAN Module with 16 Digital I/O
in PC/104-Plus or PC/104 Form Factor

PC/104-Plus pc104

PC/104-Plus pc104

Description
Software
System Block Diagram
Cables
Specifications
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Description

The Janus-MM-4LP-XT family of I/O modules offers two or four opto-isolated CANbus 2.0B ports plus 16 digital I/O lines. Models are available in both the PC/104-Plus and PC/104 form factors. An FGPA core houses the CAN controller logic and digital I/O logic providing data rates up to 1Mbps. Each CAN port supports standard and extended frames as well as expanded TX and RX message queues for enhanced performance. Each port has its own combination isolator and transceiver chip.

Janus-MM-4LP-XT fits a wide variety of rugged and on-vehicle embedded serial I/O application needs. It was designed with harsh applications in mind including latching connectors to further improve reliability. Extended temperature operation of -40°C to +85°C is tested and guaranteed. The module is compatible with MIL-STD-202G shock and vibration specifications.

Software

Janus-MM-4LP-XT comes with a basic CAN driver for both Windows Embedded 7 and Linux Ubuntu 12.04 LTS operating systems. Both drivers support dual-independent and dual-redundant modes.

Windows Embedded 7 and Linux APIs and monitor programs are also included. The monitor program shown below allows users to set, manage and observe all of the functions and traffic on the CAN ports and digital I/O lines.


Janus-MM-4LP Windows 7 Monitor Program

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System Block Diagram


Janus-MM-4LP Block Diagram

I/O Cables

Diamond Systems offers cables for use with the Janus-MM-4LP-XT family of PC/104-Plus CANbus modules. Please refer to the table below for the available cables.

Cable Description
6981164 20-pin, 12 inch digital I/O cable, 1 per board
6981182 CANbus 2.0 cable, 1 per CAN port

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Specifications

CAN Circuit
Number of CAN ports 2 or 4 CANbus 2.0B
Data rates Up to 1Mbps
Controller FPGA based
Transceiver ADM3053 isolation + transceiver
Isolation 500V port-to-port and port-to-host
Frames Standard 11-bit identifier
Extended 29-bit identifier
Message queues Expanded TX and RX message queues
16 8-byte transmit message queues
31 8-byte receive message queues
Receive filters 16
Termination Jumper selectable biased split termination
Digital I/O
Number of lines 16 programmable DIO lines arranged in 2 8-bit ports
Logic levels 3.3V or 5V, jumper selectable
Pull-up/pull-down Jumper selectable
Direction control Software programmable
General
Host interface PCI or ISA, self selecting
Connectors Latching connectors for increased ruggedness
Input power +5VDC ±5%
Power consumption tbd W at 5VDC
Operating System support Windows Embedded Standard 7
Linux Ubuntu 12.04LTS
Operating temperature -40ºC to +85°C (-40ºF to +185°F)
Operating humidity 5% to 95% non-condensing
Shock MIL-STD-202G compatible
Vibraion MIL-STD-202G compatible
MTBF tbd hours at 20°C
Form Factor PC/104-Plus:
3.55" x 3.775" (90mm x 96mm)
Weight 2.5oz (71g)
RoHS Compliant
FEATURES
2 or 4 CAN 2.0B ports
Data rates up to 1Mbps
Supports standard (11-bit identifier) and extended (29-bit identifier) frames
Expanded TX and RX message queues for enhance performance
16 8-byte transmit message queues
31 8-byte receive message queues
16 receive filters
Galvanically isolated transceivers
500V port-to-host and port-to-port isolation
Jumper selectable biased split termination for improved noise reduction
16 digital I/O lines
Latching connectors for increased ruggedness
PCI and ISA bus interfaces
Basic CAN driver included with APIs and monitor program
Supports Linux Ubuntu 12.04LTS and Windows Embedded 7
PC/104-Plus form factor:
3.55" x 3.775" (90mm x 96mm)
Extremely rugged -40ºC to +85ºC operation
MIL-STD-202G shock and vibration compatible
Customers who use this product also use:

This product can be customized and ruggedized. Click here for more information.
ONLINE SUPPORT
See Janus-MM-LP Dual or Quad CAN Module Technical Resources
Request Product information
Request Technical Support
DOWNLOADS
Janus-MM-4LP Linux Software User Manual
(.pdf, 1.6 MB)
Janus-MM-4LP Hardware User Manual
(.pdf, 812.0 kb)
Janus-MM-4LP Datasheet
(.pdf, 358.0 kb)

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Get an online quote

 
Janus-MM-LP Dual or Quad CAN Module
available models:
JNMM-4LP-XT
Quad isolated CAN port PC/104-Plus Module with 16 Digital I/O
JNMM-4L-XT
Quad isolated CAN port PC/104 Module with 16 Digital I/O
JNMM-2LP-XT
Dual isolated CAN port PC/104-Plus Module with 16 Digital I/O
JNMM-2L-XT
Dual isolated CAN port PC/104 Module with 16 Digital I/O
6981164
Cable, IDC20F to IDC20F, 2mm pitch, 12" length
6981182
CANbus 2.0 cable, JST 1x4 to DB9M
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