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QT50
Eltorque QT50 User Manual
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Technical Details
Page 54 of
62
User Man
ual QT50 D
oc ID
1321 version
2.0 Se
pt. 2018
Figure 33: Analogue level and flow control.
Note!
The acc
uracy o
f an act
uator wit
h analog i
nterface
is +/- 5%,
(if the
control signal
is 12 m
A/ 50%, t
he valve
posit
ion is in the
range of 45-
55%).
If a hi
gher accur
acy is n
eeded, plea
se consi
der a CAN
open inte
rface with
accur
acy of +/- 0
.5% inst
ead.
53
55
Table of Contents
Default Chapter
3
Table of Contents
3
Introduction
5
System Overview
5
Description
6
Features
6
Area of Use
7
Technical Support Information
7
Reader Groups
7
Notation Used in this Manual
7
Related Documentation
8
Disclaimer
8
Terms and Abbreviations
8
About this User Manual
11
HSE Information
13
Care and Cleaning of Actuator
13
Disposal and Waste Handling
13
Product Description
15
QT50 Actuator
15
Actuator Control System Examples
16
Technical Specification
17
Actuator Components
19
QT50 External Construction
19
Communication Interface
19
Labelling
21
Cabling
21
Storage
22
Engineering
22
Power Circuit Design
22
Duty Performance
22
Endurance
23
Shielding Considerations
23
Installations with Eltorque Hybrid Marine Cable
25
Orientation
26
Space Requirements
27
Mounting
29
Information When an Actuator/Valve Adaption Is Needed
29
Torque Considerations for Valve and Actuator
30
Closing Time
30
Configuration
30
Mounting and Installation Instructions
31
Mounting the Actuator on the Valve
31
Mounting Procedure QT50
31
Valve Flange Fastening Holes
32
Cable Connection Overview
33
Cable Glands
37
Power Supply Connection
37
Grounding (Earthing)
38
Communication Connection Interfaces
39
Connection Procedure
39
Canopen Interface Connection
39
Digital Interface Connection
41
Analog Interface Connections
42
Operation
44
Manual Operation
45
Error Alarms and Error Handling
46
GENERAL Alarm
46
POSITION UNDEFINED Alarm
46
TEMPERATURE Alarm
47
TORQUE Alarm
47
Troubleshooting
47
Maintenance
49
Maintenance Overview
49
Inspection
49
Tightening of Valve/ Actuator Bolts
49
Lubrication
49
Care and Cleaning of Anodizing
49
Technical Details
51
Power Consumption
51
Surface Treatment
51
Communication Interface
51
Canopen Interface
52
Digital Interface
52
Analog Interface
53
Ordering Information and Recommended Spare Parts
55
Torque and Screw Recommendations
57
1. Eltorque Torque Recommendations
57
2. Mounting Screws and Lubrication
57
Earthing Methods in Maritime Installations
59
4
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Eltorque QT50 Specifications
General
Brand
Eltorque
Model
QT50
Category
Controller
Language
English
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