User Manual QT series generation 2.5, ID 2021, rev 3.2, January 14, 2022
Page
11 of 88
Table 2: Related documentation
Document
Document ID
Eltorque Hybrid Cable datasheet
Eltorque document ID 1982
E3C User Manual
Eltorque document ID 1687
Guidelines for earthing in maritime
installations
Published by the Norwegian Electrical
Safety Directorate. Available in
Appendix B in this document.
System Integrators Manual CANopen
Eltorque document ID 1691
The information contained in this document is subject to change without
prior notice. Eltorque AS shall not be liable for errors contained herein or for
incidental or consequential damages about the furnishing, performance, or
use of this document. It is the customer
’
s responsibility to verify that he has
the latest revision available by checking the document area of
www.eltorque.com.
Table 3: Terms and abbreviations
Term
Description
ABS
American Bureau of Shipping.
AFD
Asbestos Free Declaration.
Analog Control
Step-less control utilizing analog signals, e.g., 4-20 mA. Allows positioning
of the valve actuator between Open and Closed.
BTO
Break to open. The torque required to unseat the closed valve.
CAN/CAN bus
Controller Area Network.
CANopen
CANopen is a higher-level protocol running on top of the CAN bus.
CCS
Central Control System.
Communication
Interface Box
Electronic device controlling the actuator according to signals from an
overall control system such as a PLC or other type of electronic controller.
Configuration
The set-up of
parameters, which affects the actuator’s performance and
behavior.
Det Norske
Veritas
Accredited registrar and classification society
Digital Control
Simple control utilizing relays, on/ off switches, and indicators. Allows only
Open or Closed functionality for a valve actuator.
DNV GL
Det Norske Veritas Germanischer Lloyd.
Dual CAN
Each unit acts as a repeater.
E3C
Eltorque Common Configuration Controller.
E-VCI
Eltorque Valve Control Interface
E-VCS
Eltorque Valve Control System
Fail
A single failure causing power loss and/or signal loss. One or more failures
are detected, and the failsafe protocol is initiated (programmable time
delay before initiation).