Interface module for CAN bus
CRA-IFC_V1.0.0_PI_2017-03_EN 1
Subject to technical changes
CRA-IFC
1 Device description
Abb. 1: Front view
Features
• Power supply for controller
• Built-in real-time clock with power reserve
• Large data memory for temperature history
• Event list for the controller
• Connection to controller with prefabricated line
• Address transfer from control unit
• Connection to the Wurm system via Wurm CAN communication bus (C-BUS) and
FRIGODATA XP
Connection diagram
Abb. 2: Connection diagram
Installation
The interface module is installed using a cable tie.
NOTE!
• It is not permissible to extend the prefabricated line.
2 Technical data
CANH
CANL
CAN0V
Controller
Power supply Via CRA
Dimensions (WxHxD) 70 x 29 x 25mm
Housing Plastic
Fastening With cable tie
Ambient temperature Operation: 0...+55°C, storage: -10...+70°C
Weight About 27g
CE conformity EU conformity as defined in
- 2014/30/EU (EMC Directive)
- 2014/35/EU (Low Voltage Directive)
RoHS II
Valid from Version 1.0.0
Interface module for CAN bus
2 CRA-IFC_V1.0.0_PI_2017-03_EN
Subject to technical changes
CRA-IFC
3 Safety instructions
Writing conventions
Caution!
CAUTION!
• Avoid the described hazard: Otherwise minor or medium bodily injury or property damage will
result.
For your safety
For safe operation and to avoid personal injury and equipment damage through operating error, al-
ways read these instructions, become familiar with the device, and follow all safety instructions on the
product and in this document, as well as the safety guidelines of Wurm GmbH & Co. KG Elektronische
Systeme. Keep these instructions ready to hand for quick reference and pass them on with the device
if the product is sold. Wurm GmbH & Co. KG Elektronische Systeme accepts no liability in case of
improper use or use for other than the intended purpose.
Caution!
CAUTION! DAMAGE TO THE DEVICE IF HANDLED INCORRECTLY!
• Do not open the device!
• Do not repair the device yourself! If required, send it in for repair with an exact description of the
fault!
• Never expose the device to moisture, for example due to condensation or cleaning agents!
Software revision and validity of documentation
Any software versions not listed are special solutions for individual projects and are not described in detail in this
document. This document automatically ceases to be valid if a new technical description is issued.
Manufacturer: Wurm GmbH & Co. KG Elektronische Systeme, Morsbachtalstraße 30, D-42857 Remscheid
For further information, see our website at www.wurm.de
Target group These instructions are intended for "service technician" personnel.
Intended use CRA-IFC is an interface module for the CAN bus and is used to con-
nect a CRA to the CAN bus.
Software version Functional upgrade Page
V1.0.0 - 2016-05 Basis of documentation
V1.0.0 - 2016-12 Technical data adjusted
V1.0.0 - 2017-03 General corrections
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