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Matric CB-500LR Technical Manual

Wireless can bridge 500
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Technical Manual
Wireless CAN Bridge 500 (CB-500LR)
DESCRIPTION:
The Wireless CAN Bridge functions as a wireless link that transfers CAN messages.
Using the Wireless CAN Bridge, nodes on either side of a wireless link can
communicate at a separation of up to 1400 feet. A full 64 node DeviceNet* can be
implemented depending on scan rates and frame density. Since actual CAN messages
are transferred, the Wireless CAN Bridge supports any type of CAN bus standard
including CAN Open and CAN Kingdom.
Trunk Line
Terminator
SCANNER
NODE
MOTOR
CONTROL
NODE
Matric Technical Manual 185-0054, V1
CAN
BRIDGE
Tap
Virtual
Trunk
Line
BRIDGE
CAN
Trunk Line
(extended by CAN Bridge)
I/O BLOCK
NODE
SENSOR
NODE
Page 1 of 12

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Summary of Contents for Matric CB-500LR

  • Page 1 Technical Manual Wireless CAN Bridge 500 (CB-500LR) DESCRIPTION: The Wireless CAN Bridge functions as a wireless link that transfers CAN messages. Using the Wireless CAN Bridge, nodes on either side of a wireless link can communicate at a separation of up to 1400 feet. A full 64 node DeviceNet* can be implemented depending on scan rates and frame density.

  • Page 2: Specifications

    Technical Manual Wireless CAN Bridge 500 (CB-500LR) SPECIFICATIONS: Functional 1200 frames per second transfer rate (max) Supports any CAN Bus or DeviceNet* (Bosch CAN 2.0b) Network baud rate (125K, 250K, 500K) Five pin male micro connector 16 bit CPU CPU watchdog...
  • Page 3 Technical Manual Wireless CAN Bridge 500 (CB-500LR) APPLICATION: The Wireless CAN Bridge provides a frame transfer rate of 1200 CAN frames per second which is roughly equivalent to a fully loaded 125k baud system. The effectiveness of the CAN Bridge in any particular application depends on network loading.
  • Page 4 Technical Manual Wireless CAN Bridge 500 (CB-500LR) CONFIGURATION: Configuration of the Wireless CAN Bridge is accomplished by manually setting switches inside its enclosure. The CAN Bridge enclosure lid must be removed to access the configuration switches. Users may only perform the configuration described in this manual.
  • Page 5 The “as shipped” settings are shown with an asterisk “*”. The CB-500LR must be reset (power cycled) before switch settings take effect. Switch S1:1 Selects Node Communication Type for internal radios.
  • Page 6 Technical Manual Wireless CAN Bridge 500 (CB-500LR) Switches S2:1,2 Selects the bit rate of the CAN or DeviceNet network. Bit Rate (Bits/Sec.) S2:1 S2:2 125K 250K 500K 125K Switches S2:3 Selects Standard or Extended CAN framing. DeviceNet* uses standard framing. Some varieties of CAN may use extended framing.

  • Page 7: Signal Indicators

    Technical Manual Wireless CAN Bridge 500 (CB-500LR) INDICATORS: The Wireless CAN Bridge provides three separate groups of diagnostic LED indicators. The groups are labeled “Signal”, “Loading”, and “Data Loss Cause.” In addition to these groups, a power indication LED is also provided.
  • Page 8 Technical Manual Wireless CAN Bridge 500 (CB-500LR) Loading Indicators The loading indicators show the number of CAN packets that are being written to the RF transmit buffer. The four levels may be described as a function of RF bandwidth usage by CAN packets.

  • Page 9: Installation

    Technical Manual Wireless CAN Bridge 500 (CB-500LR) INSTALLATION: The Wireless CAN Bridge can be bolted directly to a control panel, or mounted to a DIN rail. Remove the two decorative covers at the right and left ends of the lid to access the mounting holes for direct panel mount (or to attach the DIN rail clips).
  • Page 10 Wireless CAN Bridge 500 (CB-500LR) The Wireless CAN Bridge provides a sealed micro style connector (labeled “Network”) that complies with the physical standards for DeviceNet* connectors. The CB-500LR requires a tap to interface into the DeviceNet* trunk line. The pinout for the connector is shown below.
  • Page 11 Changes or modifications not expressly approved by Matric could void the user’s authority to operate the Wireless CAN Bridge.
  • Page 12 Technical Manual Wireless CAN Bridge 500 (CB-500LR) For technical support, contact: Matric 2099 Hill City Road Seneca, PA 16346 (814) 677-0716 www.matric.com *DeviceNet is a registered trademark of ODVA Matric Technical Manual 185-0054, V1 Page 12 of 12...