Eurotherm 808 Manuals

Manuals and User Guides for Eurotherm 808. We have 1 Eurotherm 808 manual available for free PDF download: Installation And Operation Manual

Eurotherm 808 Installation And Operation Manual (100 pages)

Digital controller

Brand: Eurotherm | Category: Controller | Size: 4 MB

Table of Contents
3
Selected Figures
4
Tables
4
General
5
Scope
5
Pre-Installation
5
Receiving
5
Product Code
6
Mechanical Installation
11
Panel Mounting of Instrument Sleeve
11
Panel Cutout
11
Multiple Installations
12
Installation of Mounting Bracket
12
Tightening Mounting Bracket
12
Electrical Connections
13
General Information and Precautions
13
Power and Ground
14
Output 1
16
Output 1 Wiring
16
Input
19
Thermocouple Input
19
Input Wiring
19
RTD Input
20
Linear Input Option QL
20
Linear Process Signals
20
Communications Options
21
Communications Wiring
21
Lockout Override Switch
22
Setpoint Programming Option QP
23
Operation
24
General Organization and Definitions
24
Access Levels
24
Operator Level
24
Operating Modes
25
Automatic Operating Mode
25
Manual Operating Mode
25
Control Types
25
Front Panel Identification
26
Indications
26
Upper Display Functions
26
Lower Display Functions
26
Front Panels
27
Pushbuttons
28
Par
28
Front Panel Procedures
29
Modifying the Setpoint
29
Locating and Modifying an Adjustable Parameter
29
Additional Procedures for Manual Mode
30
Automatic Mode Procedures
30
Annunciation
30
Ramping and Alarms
31
Deviation Alarm
31
Ramp-To-Setpoint Operation and Alarms
31
Modification of Ramping Parameters
32
Ramping Speed
32
Target Setpoint
32
Normal
33
Alarm
33
Sensor Break
36
Self-Diagnostic
36
Overrange Condition
36
Underrange Condition
36
Configuration and Calibration
38
Full List Enable
38
Configuration Procedure
38
Removal of Instrument from Sleeve
38
Parameter Access Assignment
50
Parameter Protection
50
Calibration and Offset Adjustment
51
Access Assignment Procedure
51
Offset Adjustment
51
Compensation for Thermal Gradient
51
Original Factory Calibration Retrieval
52
Field Recalibration
54
References Requiring Calibration
55
Program Segments
57
Ramp Segments
57
Dwell Segments
58
Programmer States
58
Idle
58
Run
59
Hold
59
Holdback
59
Program Control Methods
59
Holdback Examples
60
Rear-Terminal Connections
61
Program Parameters
62
Communications Interface
62
Segment Parameters
62
Loop Counter
63
Program Annunciators
63
Remaining Time
64
Setpoints
64
Enabling Setpoint Programming
64
Running a Program
64
RUN Characteristics
65
Holding a Program
65
HOLD Characteristics
65
Resetting a Program
66
Idle Characteristics
66
Ending a Program
67
Loss of Power During a Program
67
Changing Program Parameters
67
Alarms
67
Input Adapter
69
Linear Input Set-Up and Configuration
69
Set-Up and Configuration
70
Scaling
70
Filter Value
71
Self Tuning Option
73
Types of Self Tuning
73
Tune from Ambient
73
Tune from Setpoint
73
Parameters and Annunciation
74
Conditions for Self Tuning
74
Tune on Demand
74
Tune on Start-Up
75
Start-Up Tune
75
Abort Conditions
77
Tune at Setpoint
77
Start-Up Tune Abort
77
Tune at Setpoint Abort
77
Specifications
79
Absolute Maximum Ratings
79
Inputs
79
Output Devices
80
Control Characteristics
80
Automatic Operation
80
Communications
81
Input Sensors
84
Installation of Front Panel Gaskets
85
Tuning Tutorial
87
PID Control Parameters
87
Integral Time Constant
88
Adding Integral Action
88
Windening Integral Time Constant
89
Adding Derivative Action
89
Approach Control Parameters
90
Procedures
90
Cutback Operation
90
Procedure for Tuning Heat-Only Systems
91
Typical Response Curves
91
Systems with Cooling
92
Variable Response Tuning Constants
92
Tuning Heat/Cool Systems
93
Adjusting the Cutback Points
93
Use of Automatic Cutback
93
Troubleshooting Pid Tuning
94
Adjusting On/Off Control
94
Instrument Register
95
Overcurrent Protection
98
Voltage Ratings
98
Enclosure of Live Parts
98
Wiring
98
Grounding
99
Supply Isolators
99
Temperature Sensor Failure
99
Hazardous Atmospheres
99

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