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Helmholz TB20-C, Bus Coupler CANopen® Slave – Automate Control Engineering Ltd. Wong Tai Sin

  Other electonics   (Item ID: 3720)

Helmholz TB20-C, Bus Coupler CANopen® Slave – Automate Control Engineering Ltd. ([email protected])


The CANopen® bus coupler is designed to connect a CAN bus to TB20 peripheral modules. It supports the CANopen® protocol as per DS 301 and uses the DSP-401 profile for digital and analog I/O modules.

A functioning TB20 configuration will always require a bus coupler and at least one peripheral module, but can accommodate up to 64 modules of any kind connected in series with the bus coupler. The CANopen® bus coupler supports hot-swapping for

replacing modules during operation.

This coupler makes it possible to use SDOs to freely access all I/O values, parameters, and diagnostics, and can manage up to 256 bytes of I/O data with the PDO protocol.


General characteristics

- CANopen® protocol as per DS301 and DSP401

- Bit rates of 20 kbps to 1 Mbps

- 16 TPDOs/16 RPDOs

- One SDO server

- Heartbeat producer

- Two heartbeat consumers

- Node guarding

- SYNC object

- Storable parameter configuration

- A maximum of 64 modules

- Supports hot-plug

- 24 VDC power supply

- Integrated power supply unit for powering TB20 peripheral modules (2.5 A)

- Supplies the I/O voltage (24 VDC)

- DIP switches for configuring the node ID and bit rate; can be covered

- 5 LEDs, one of them bi-color

-         USB device port for online diagnosis with TB20 ToolBox


Technical data/Ordering data

TB20-C, Bus Coupler CANopen® Slave

S/N: 600-160-1AA11

CAN interface

- Protocol: CANopen® as per DS301 V4.2 and DSP401 V3.0.0

- Bit rate: 20, 50, 125, 250, 500, 800, 1000 kbps

- TPDOs: 16

- RPDOS: 16

- Interface: ISO 11898-2

- Connector: 9-pin D-sub male connector

USB port

- Protocol: Full-speed USB 2.0 Device

- Connector: Mini-USB

- Electrical isolation: Yes

- Isolation voltage: 1.5 kV

Power supply: 24 VDC, 18–28 VDC

Current draw without modules (internal): 75 mA

Power dissipation: Max. 8 W

Power supply for modules: 5 VDC; max 2.5 A

Dimensions (H x W x D): 110 mm x 35 mm x 73 mm

Weight: 115 g

Certifications: CE, UL pending

Noise immunity: DIN EN 61000-6-2 “EMC Immunity”

Interference emission: DIN EN 61000-6-4 “EMC Emission”

Vibration and shock resistance:         DIN EN 60068-2-8:2008 “Vibration”

DIN EN 60068-27:2010 “Shock”

Protection rating: IP 20

Relative humidity: 95 % without condensation

Installation position: Any

Permissible ambient temperature: 0 °C to 60 °C


Transport and storage temperature: -20 °C to 80 °C

 Published date:

09/09/2015 10:27 am

 Expiration date:



Kowloon Peninsula


Wong Tai Sin


Unit 2,15/F.,New Tech Plaza,34 Tai Yau Street,San Po Kong,Kowloon,Hong Kong

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