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1-Wire Gateway

The 1-Wire to BACnet IP, Modbus TCP or RTU, and Web Gateway acts as a protocol converter. It allows 1-Wire devices to communicate with devices on a BACnet IP, Modbus RTU or TCP, and Web System.
Chipkin's 1-Wire™ Gateway is a protocol converter for 1-Wire DS18b20 temperature sensors.
The Web (HTTP, XML, REST, Json, COSM) driver allows the Gateway to push data to the Web via a variety of Protocols.
The Modbus TCP driver allows the Gateway to transfer data to and from devices over Ethernet TCP/IP using the Modbus protocol.
The Modbus RTU driver allows the Gateway to transfer data to and from devices via a serial RS485 connection using the Modbus protocol.
The BACnet IP Driver allows the Gateway to transfer data to and from devices over Ethernet UDP/IP using the BACnet IP protocol.
SKU:
CAS 2700-26
Max Points: 250, 500
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Chipkin™ 1-Wire™ Modbus® RTU/TCP, BACnet® and HTTP gateway is a protocol converter for 1-Wire DS18b20 temperature sensors. The gateway operates by reading the temperature data from the 1 or more DS18b20 1-wire sensors into an internal database. The values read from these sensors then can be read from Modbus® RTU/TCP, BACnet® and HTTP. 


The gateway requires minimal configuration and can be considered a ‘plug and play’ component of any network system. It’s ready to operate ‘out of the box’ and can be installed without an engineer’s approval. For a list of tested devices, refer to Appendix A: Tested Devices.


1-Wire Driver

1-Wire™ Modbus® RTU/TCP, BACnet® and HTTP gateway is a protocol converter for 1-Wire DS18b20 temperature sensors. The gateway operates by reading the temperature data from the 1 or more DS18b20 1-wire sensors into an internal database. The values read from these sensors can then be read from Modbus® RTU/TCP, BACnet® and HTTP.

Web (HTTP, XML, REST, Json, COSM) Driver

The Web Diver allows for data to be monitored by remote systems running applications that can issue HTTP or SOAP/XML GET requests – such applications can be easily developed by end users. Of course, this data is available using an Internet Browser such as Internet Explorer or Google Chrome

BACnet IP Driver

The CAS BACnet IP driver allows the CAS Gateway to transfer data to and from devices over Ethernet UDP/IP using the BACnet IP protocol.  The CAS Gateway can either be a Client, reading and storing values from a BACnet device, or a Server, making data available as BACnet objects.

The CAS BACnet IP Driver supports the following BACnet Services:

- Who-Is- Who-Has
- Read Property- Read Property Multiple
- Write Property- Write Property Multiple
- Subscribe COV     - Time Synchronization

Note: Chipkin is always updating the BACnet IP Driver. For a recent list of supported services, please visit www.chipkin.com or contact us. If there are services that you require that are not listed, please contact us to discuss how we can add them to the driver.

Modbus TCP Driver

The CAS Modbus TCP driver allows the CAS Gateway to transfer data to and from devices over Ethernet TCP/IP using the Modbus protocol.  The CAS Gateway can either be a Client, reading and controlling values from a slave, or a Server, serving data to a Modbus Master.

The CAS Modbus TCP Driver supports the following Modbus Functions:

- 01 (0x01) Read Coils - 05 (0x05) Write Single Coil
- 02 (0x02) Read Discrete Inputs- 06 (0x06) Write Single Register
- 03 (0x03) Read Holding Registers    - 15 (0x0F) Write Multiple Coils
- 04 (0x04) Read Input Registers- 16 (0x10) Write Multiple Registers

Modbus RTU Driver

The CAS Modbus RTU driver allows the CAS Gateway to transfer data to and from devices via a serial RS485 connection using the Modbus protocol.  The CAS Gateway can either be a Client, reading and controlling values from a slave, or a Server, serving data to a Modbus Master.

The CAS Modbus RTU Driver supports the following Modbus Functions:

- 01 (0x01) Read Coils- 05 (0x05) Write Single Coil
- 02 (0x02) Read Discrete Inputs- 06 (0x06) Write Single Register
- 03 (0x03) Read Holding Registers- 15 (0x0F) Write Multiple Coils
- 04 (0x04) Read Input Registers- 16 (0x10) Write Multiple Registers

Specifications

CAS Hardware 700

The following specifications are common to all Chipkin gateways.

  • Certifications: UL and ULc approved
  • Ports:
    • 10/100BASE-T with RJ-45 connector
    • 1x RS232 port
    • 1x RS485 port (different models have additional ports)
  • Power: 7 – 24 VDC through an external power supply. (12V @ 90mA)
  • Operating temperature: 0 – 70 °C (32 – 158 °F)
  • LEDs: link, speed/data, power

Dimensions
  • Dimensions (LxWxH): 107 x 83 x 25 mm (4.2 x 3.25 x 1 in.)
  • Connection type: RS485 (jumper change to RS232)

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Block Diagrams

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Resources

All CAS 2500, 2700, 2800 products

A quick start guide with instructions for some of the basic operations of the CAS Gateway product line. Includes instructions for the following:

  • Detecting the CAS Gateway via the computer and settings its IP Address
  • Downloading the Firmware to the CAS Gateway
  • Downloading the Assets to the CAS Gateway
  • Downloading the Configuration to the CAS Gateway

Additional Information

CAS 2500/2700 RS485 Connector

Pinout:
- Pin 1 => Pin 3 => +ve
- Pin 2 => Pin 4 => -ve
- Pin 5 => ground/common
- Pin 6 => Pin 9
- Pin 7 => Pin 8

Gateway Selector

Select your combination of protocols.
Protocol 1
Protocol 2

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