Samson S2000 Instructions d'exploitation Page 8
- Page / 124
- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
3 Design and principle of
operation
The electropneumatic positioner is attached
to pneumatic control valves. It is used to as
-
sign the valve stem position (controlled vari
-
able x) to the control signal (set point w).
The input signal received from a control sys
-
tem is compared to the travel or rotational
angle of the control valve, and a pneumatic
signal pressure (output variable y) is pro
-
duced.
The positioner consists of a travel sensor sys
-
tem proportional to resistance, an analog
i/p converter with a downstream booster
and the electronics unit with microcontroller.
When a set point deviation occurs, the actu
-
ator is pressurized or vented. If required, the
changes in the signal pressure can be
slowed down by a connectable Q restriction.
The signal pressure supplied to the actuator
can be limited by software or on site to 1.4,
2.4 or 3.7 bar.
A constant air stream to the atmosphere is
created by the flow regulator (9) with a
fixed set point. The air stream is used to
purge the inside of the case as well as to op
-
timize the air capacity booster. The i/p
module (6) is supplied with a constant up
-
stream pressure by the pressure regulator
(8) to make it independent of the supply air
pressure.
8 EB 8384-4 EN
Design and principle of operation
Fig. 2 · Functional diagram
w
x
Q
%
S
mm
GG
PD
Serial
Interface
16
15
BE2
BE1
11
2
4
13
20
17 18
19
24V DC
5
3
12
6
7
8
10
1
14
9
x
y
1 Control valve
2 Travel sensor
3 PD controller
4 A/D converter
5 Microcontroller
6 i/p converter
7 Air capacity booster
8 Pressure regulator
9 Flow regulator
10 Volume restriction
11* Inductive limit switch
12* Solenoid valve
13 IEC 61158-2
interface module
14 Binary input, passive
15* Binary input, active
16 Display
17* Solenoid valve control
18* Galvanic isolation
19 D/A converter
20 Communication interface
* Optional
- Mounting and 1
- Operating Instructions 1
- EB 8384-4 EN (1300-1613) 1
- EB 8384-4 EN 3 3
- EB 8384-4 EN 5 5
- Vent opening 6
- 2 Article code 7
- 3 Design and principle of 8
- 3.1 Additional equipment 9
- 3.2 Communication 10
- 3.2.1 Configuration using 10
- TROVIS-VIEW software 10
- 3.3 Technical data 11
- 12 EB 8384-4 EN 12
- 4 Attachment to the control 14
- 4.1 Direct attachment 16
- 4.1.1 Type 3277-5 Actuator 16
- 4.1.2 Type 3277 Actuator 18
- 4.2 Attachment according to 20
- IEC 60534-6 (NAMUR) 20
- 4.3 Attachment according to 22
- VDI/VDE 3847 22
- Actuator stem 24
- EB 8384-4 EN 25 25
- 4.4 Attachment to Type 3510 28
- Micro-flow Valve 28
- 4.5 Attachment to rotary 30
- 4.5.1 Heavy-duty version 32
- 4.6 Reversing amplifier for 34
- 4.6.1 Reversing amplifier 34
- (1079-1118 or 1079-1119) 34
- From the positioner 35
- Control signals to 35
- 4.7 Attaching an external 36
- 4.7.1 Mounting the position 36
- 1.1, 1.2 14.1 3 14 99.1 38
- 4.7.3 Mounting the position 39
- 2 1 1.1, 1.2 40
- 4.9 Air purging function for 41
- 4.10 Mounting parts and 42
- 44 EB 8384-4 EN 44
- Table 6 · General accessories 45
- 46 EB 8384-4 EN 46
- 5 Connections 47
- 5.1 Pneumatic connections 47
- 5.1.1 Signal pressure gauges 47
- 5.1.2 Supply pressure 47
- 5.2 Electrical connections 48
- EB 8384-4 EN 49 49
- 24 V DC BE1 BE2 50
- EB 8384-4 EN 51 51
- 52 EB 8384-4 EN 52
- Connections 52
- 6 Operator controls and 53
- 7 Start-up – Settings 56
- 7.1 Defining the valve closed 56
- 7.3 Adapting the display 57
- 7.5 Checking the operating 58
- Manual reference variable 59
- EB 8384-4 EN 59 59
- 7.6 Initialization 60
- Default No 65
- Nominal range 65
- (locked with Code 4 = No) 65
- EB 8384-4 EN 65 65
- 7.7 Zero calibration 68
- 7.8 Reset to default values 68
- 7.10 Setting the bus address 69
- 8 Operation 70
- 8.1 Enabling and selecting 70
- 8.2 Operating modes 71
- 8.2.1 Automatic and manual 71
- 8.3 Malfunction/maintenance 73
- Error caused by pin 74
- 9 Adjusting the limit switch 75
- 10 Maintenance 78
- 12 Firmware update (serial 78
- EB 8384-4 EN 79 79
- 14 Code list 80
- Code list 81
- 82 EB 8384-4 EN 82
- 84 EB 8384-4 EN 84
- 86 EB 8384-4 EN 86
- EB 8384-4 EN 87 87
- Initialization errors 88
- 88 EB 8384-4 EN 88
- Operational errors 90
- 90 EB 8384-4 EN 90
- Hardware errors 91
- Error appendix 92
- 92 EB 8384-4 EN 92
- Data errors 93
- 94 EB 8384-4 EN 94
- Diagnosis errors 95
- 15 Dimensions in mm 96
- EB 8384-4 EN 97 97
- Heavy-duty version 98
- Light version 98
- EB 8384-4 EN 100
- 102 EB 8384-4 EN 102
- EB 8384-4 EN 103 103
- 104 EB 8384-4 EN 104
- EB 8384-4 EN 105 105
- 106 EB 8384-4 EN 106
- EB 8384-4 EN 107 107
- 108 EB 8384-4 EN 108
- EB 8384-4 EN 109 109
- 110 EB 8384-4 EN 110
- EB 8384-4 EN 111 111
- 112 EB 8384-4 EN 112
- EB 8384-4 EN 113 113
- 114 EB 8384-4 EN 114
- EB 8384-4 EN 115 115
- EB 8384-4 EN 117 117
- Model 3730-43 118
- or 3730-53 118
- EB 8384-4 EN 119 119
- 122 EB 8384-4 EN 122
- EB 8384-4 EN 123 123
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