WURM CRU-XP Manual

Universal

Front view

 Control process

- Universal PID controller

- Two-point controller

- Three-point controller

- Superheating controller

 Multiple contact switch with 4 capacity steps

 PWM operation with 0...10V analogue output

 2 freely scalable analogue inputs 4...20mA

 2 temperature sensor inputs

 Constant setpoint shift via analogue input

 4 digital multifunction inputs

 Direct connection of a CAN-USB to the service socket

 Connection to the Wurm system through a Wurm CAN communication bus (C-BUS) and

FRIGODATA XP

CRU-XP_V1.70_PI_2019-04_EN

Subject to technical changes

CRU-XP

Universal controller

Page 1 of 4

Table of Contents

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Page 1  Constant setpoint shift via analogue input  4 digital multifunction inputs  Direct connection of a CAN-USB to the service socket  Connection to the Wurm system through a Wurm CAN communication bus (C-BUS) and FRIGODATA XP CRU-XP_V1.70_PI_2019-04_EN Subject to technical changes...
Page 2 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.
Page 3 CRU-XP Universal controller Circuit diagram C-BUS interface Output relays Digital inputs Installing and connecting WARNING Danger to life from electric shock and/or fire!  Switch power off to the entire plant when installing and wiring. Otherwise a mains voltage and/or external voltage may still be present even if the control voltage is switched off.
Page 4 − 2014/35/EU (Low Voltage Directive) − TR CU 004/2011 EAC conformity − TR CU 020/2011 RoHS II Valid from Version 1.70 NOTE  You can find more information about the device in the Wurm Infocenter. Page 4 of 4 Subject to technical modifications CRU-XP_V1.70_PI_2019-04_EN...