Pfeiffer Vacuum RVG 050 C User manual

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Operating Instructions
Incl. Declaration of Conformity
BG 805 282 BE (0103) 1
Control Unit
RVG 050 C

2BG 805 282 BE (0103) RVG 050 C.oi
In all communications with Pfeiffer Vacuum, please
specify the information on the product nameplate. For
convenient reference copy that information into the
space provided below:
Typ:
No:
F-No:
V Hz VA
Pfeiffer Vacuum, D-35614 Asslar
This document applies to products with part number
PFI00795.
The part number can be taken from the product name-
plate.
We reserve the right to make technical changes without
prior notice.
Dimensions in mm.
The Control Unit RVG 050 C is used in conjunction with
UDV 146 gas dosing valve for configuring controlled sys-
tems. Depending on the type of signal generator used,
total pressures, partial pressures or gas currents can be
controlled.
Product Identification
Validity
Intended Use

BG 805 282 BE (0103) RVG 050 C.oi 3
The gas flow of the gas dosing valve is controlled by
varying the length of the bolt. This change in length is
achieved by changing the temperature with a heater coil.
The Control Unit compares the nominal value with the
actual value and controls the heating power via a PI con-
troller in such a way that deviation of the actual value
from the nominal value is kept as close to zero as pos-
sible.
Total pressure gauges with analog outputs can be used
as signal generators (actual value). The setpoint, for
instance the pressure desired in a vacuum system, can
be set on the control unit with a precision potentiometer
(scale 0 … 1000) or supplied by an external source.
An additional remotely controlled isolation valve cuts off
the gas flow in the event of a power failure or when the
unit is switched off.
Functional Principle

4BG 805 282 BE (0103) RVG 050 C.oi
Contents
Product Identification 2
Validity 2
Intended Use 2
Functional Principle 3
1 Safety 6
1.1 Symbols Used 6
1.2 Personnel Qualifications 6
1.3 General Safety Instructions 7
1.4 Liability and Warranty 7
2 Technical Data 8
3 Installation 11
3.1 Personnel 11
3.2 Installation, Setup 11
3.2.1 Rack Installation 11
3.2.2 Installation in a Control Panel 14
3.2.3 Use as Desk-top Unit 15
3.3 Mains Power Connector 16
3.4 Connector Valve RVG 050 C ÞUDV 146 20
3.5 Connector Valve RVG 050 C ÞIsolation Valve 21
3.6 Connector Control Signal Actual Value
Transmitter ÞRVG 050 C 23
3.7 Connector External Setting of Nominal Value
ÞRVG 050 C 24
4 Operation 25
4.1 Front Panel 25
4.2 Configuration of a Controlled System 25
4.3 Turning RVG 050 C On and Off 28
4.4 Setting the Nominal Value 29
4.5 Setting the Control Range 30
4.6 Setting the Heating Voltage Limitation 31
4.7 Setting the Pressure 33
4.8 Guidelines for Setting Controller Parameters 35
4.9 Turning RVG 050 C off and Closing UDV 146 36
4.10 General Information on the Total Pressure
Gauges to be Used 37

BG 805 282 BE (0103) RVG 050 C.oi 5
5 Maintenance 37
6 Troubleshooting 38
7 Accessories 39
8 Storage 40
9 Disposal 40
Appendix 41
A: Conversion Tables 41
B: Literature 42
C: Index 43
Declaration of Conformity 45
For cross-references within this document, the symbol
(→2XY) is used, for cross-references to other
documents, the symbol (→&[Z]).

6BG 805 282 BE (0103) RVG 050 C.oi
1 Safety
DANGER
Information on preventing any kind of physical injury.
WARNING
Information on preventing extensive equipment and
environmental damage.
Caution
Information on correct handling or use. Disregard can
lead to malfunctions or minor equipment damage.
<....> Labeling
Skilled personnel
All work described in this document may only be
carried out by persons who have suitable technical
training and the necessary experience or who have
been instructed by the end-user of the product.
1.1 Symbols Used
1.2 Personnel
Qualifications

BG 805 282 BE (0103) RVG 050 C.oi 7
• Adhere to the applicable regulations and take the
necessary precautions for all work you are going to
do and consider the safety instructions in this
document.
Communicate the safety instructions to all other users.
Pfeiffer Vacuum assumes no liability and the warranty
becomes null and void if the end-user or third parties
• disregard the information in this document
• use the product in a non-conforming manner
• make any kind of interventions (modifications,
alterations etc.) on the product
• use the product with accessories not listed in the
corresponding product documentation.
1.3 General Safety
Instructions
1.4 Liability and
Warranty

8BG 805 282 BE (0103) RVG 050 C.oi
2 Technical Data
Nominal voltage 115 / 230 V∼±10 %
(dual voltage, selectable)
Frequency 50 … 60 Hz
Power consumption 20 VA
Overvoltage category II
Protection class 1
Fuse
For 230 V
For 115 V
125 mATT
250 mATT
Connection European appliance
connector IEC 60320 C14
Temperature
Operation
Storage
+ 5 … +50 °C
–20 … +60 °C
Relative humidity ≤80% up to +31 °C,
decreasing to 50% at +40 °C
Use indoors only
max. altitude 2000 m NN
Pollution degree II
Protection type IP20
Mains specifications
Ambiance

BG 805 282 BE (0103) RVG 050 C.oi 9
Regulating characteristics proportional - integral (PI)
Proportional gain Vp
(referenced to 100 mV input) 2 … 1000
Reset time Tn2 … 30 s
Actual value-input signal
Impedance
0 … +10 V= (<input> jacks)
≈100 kΩ
Internal nominal value
Nominal value, adjustable
Scale divisions
0 … +10 V=
0 … 1000
External nominal value
Voltage 1 … 10 V= / ≈100 kΩ
Output <dosing valve>
Voltage
Current
0 … +20 V=
≤0.5 A
≈0.7 A short circuit current
<10 s duration of short circuit
Output <isolation valve>
voltage
current
24 V=
≤0.2 A
163 3
260
20 20
110.5
100.4
0.5 0.7A0
91.4
106.3
122.5 128.56
16 5.5165.5
3.5
6
For incorporation into a rack or control panel or for use
as a desk-top unit.
≈2.3 kg
Control circuit
Dimensions
Use
Weight

10 BG 805 282 BE (0103) RVG 050 C.oi
Example of the gas throughput characteristic of a
UDV 146 used in conjunction with the RVG 050 C at
maximum power.
101
100
10-1
10-2
10-3
10-4
10-5
10-6
10-7
10-8
10-9
10-10
Manually adjusted valve opening and closing
120 90 60 30 0
30 60 90 120 1500
Closing time [s]
Opening time [s]
N
2
Gasflow [mbar l/s]
Openingcurve
Closingcurve
Spread Spread
The spread is a function of the mechanical tolerances of
the valve.
Gas throughput
characteristic

BG 805 282 BE (0103) RVG 050 C.oi 11
3 Installation
Skilled personnel
The unit may only be installed by persons
who have suitable technical training and the
necessary experience.
The product is suited for incorporation into a 19" rack or
a control panel or for use as desk-top unit.
DANGER
Caution: damaged product
Putting a damaged product into operation can
be extremely hazardous.
In case of visible damages, make sure the
product is not put into operation.
The product is designed for installation into a 19" rack
chassis adapter using acc. to DIN 41 494. For this
purpose, four collar screws and plastic sleeves are
supplied with it.
DANGER
Caution: protection class of the rack
If the product is installed in a rack, it is likely
to lower the protection class of the rack
(protection against foreign bodies and water)
e.g. the EN 60204-1 regulations for racks.
Take appropriate measures for the rack to
meet the specifications of the protection
class.
3.1 Personnel
3.2 Installation, Setup
3.2.1 Rack Installation

12 BG 805 282 BE (0103) RVG 050 C.oi
In order to reduce the mechanical strain on the front of
RVG 050 C, preferably equip the rack chassis adapter
with a guide rail.
For safe and easy installation of heavy rack chassis
adapters, preferably equip the rack frame with slide rails.
Guide rail
Slide rails

BG 805 282 BE (0103) RVG 050 C.oi 13
Secure the rack adapter in the rack frame.
Slide RVG 050 C into the rack chassis adapter.
Height 3 U
Fasten RVG 050 C to the rack chassis adapter
using the screws and plastic sleeves supplied with
it.
The temperature inside the rack must not exceed
the admissible maximum ambient temperature
(→28).
Height 3 U rack
chassis adapter

14 BG 805 282 BE (0103) RVG 050 C.oi
For mounting into a control panel, the following cut-out is
required:
102
91.4
122.5
112.5
M3 or ø 3.5
Slide RVG 050 C into the cut-out of the control
panel.
Fasten it with four M3 or equivalent screws.
Make sure the admissible maximum ambient
temperature (→28) is not exceeded.
3.2.2 Installation in a
Control Panel

BG 805 282 BE (0103) RVG 050 C.oi 15
RVG 050 C is also suited for use as desk-top unit. For
this purpose four rubber feet, four pen head screws and
four suitable washers are supplied with it.
Remove one of the four pen head screws (M3×6),
position the rubber feet and fasten it with a screw
M3×16.
M3×16
M3×6
Mount the other three rubber feet as described
in .
Select a location where the admissible maximum
ambient temperature (→28) is not exceeded
(e.g. due to sun irradiation).
3.2.3 Use as Desk-top
Unit

16 BG 805 282 BE (0103) RVG 050 C.oi
RVG 050 C can be operated with 230 V or with 115 V
line voltage.
230V ?
115V ?
Set the nominal voltage to the local line voltage with the
voltage selector on the back of the unit.
230
115
3.3 Mains Power
Connector
Setting the nominal
voltage

BG 805 282 BE (0103) RVG 050 C.oi 17
A fuse holder and correct fuses for the admissible line
voltages are included in the delivery.
Mount the correct fuse for the local line voltage.
Line voltage Fuse
230 V 125 mATT, 250 V, ø5×20 mm
115 V 250 mATT, 250 V, ø5×20 mm
Mounting fuse

18 BG 805 282 BE (0103) RVG 050 C.oi
DANGER
Caution: protective ground
Incorrectly grounded products can be ex-
tremely hazardous in the event of a fault.
Use only a 3-conductor power cable with pro-
tective ground. The power connector may
only be plugged into a socket with a protec-
tive ground. The protection must not be nulli-
fied by an extension cable without protective
ground.
DANGER
Caution: line voltage
Inserting items into the product can be ex-
tremely hazardous.
Do not insert any items through the openings
in the housing.
A 3-conductor power cable with protective ground has to
be supplied by the user. A appliance conductor is in-
cluded in the delivery.
Connecting mains
power

BG 805 282 BE (0103) RVG 050 C.oi 19
L
N
230 V or
115 V
230 V or
115 V
0 V
L
N
Control unit Mains cable
L
N
230V?
115V?
230
115
230V
115V
230VÞ125 mA
115VÞ250 mA
If the unit is installed in a rack, the main voltage should
be supplied and turned on via a central distributor.
Pin assignment
Connecting
Control Unit