GESTRA Steam Systems |
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URB 2 |
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Installation Instructions 818601 00 |
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Operating & display unit URB 2 |
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Contents |
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Page |
Important Notes |
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Usage for the intended purpose............................................................................................................... |
5 |
Safety note.............................................................................................................................................. |
5 |
ATEX (Atmosphère Explosible).................................................................................................................. |
5 |
Explanatory Notes |
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Scope of supply....................................................................................................................................... |
5 |
System description.............................................................................................................................. |
5, 6 |
Function.................................................................................................................................................. |
6 |
Technical Data |
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URB 2...................................................................................................................................................... |
7 |
Name plate / Marking.............................................................................................................................. |
7 |
Dimensions ............................................................................................................................................ |
8 |
Installation |
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URB 2...................................................................................................................................................... |
9 |
Functional Elements |
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URB 2................................................................................................................................................ |
9, 10 |
Key........................................................................................................................................................ |
10 |
Wiring |
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Bus cable, cable length and size............................................................................................................ |
11 |
Wiring the connecting sockets............................................................................................................... |
11 |
Wiring diagram URB 2 .......................................................................................................................... |
11 |
Wiring diagram for CAN bus system – example – ................................................................................. |
12 |
Attention .............................................................................................................................................. |
12 |
Basic Settings |
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Factory setting...................................................................................................................................... |
12 |
Operation |
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Operator interface................................................................................................................................. |
13 |
Note...................................................................................................................................................... |
13 |
Attention .............................................................................................................................................. |
13 |
Menus................................................................................................................................................... |
14 |
Specification of keys and navigation wheel ........................................................................................... |
15 |
Specification of the symbol bar........................................................................................................ |
15, 16 |
Menu structure...................................................................................................................................... |
16 |
Contents – continued – |
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Menu Start |
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Start logo.............................................................................................................................................. |
17 |
Home ................................................................................................................................................... |
17 |
Language.............................................................................................................................................. |
18 |
System configuration............................................................................................................................. |
18 |
Baud rate ............................................................................................................................................. |
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Brightness............................................................................................................................................. |
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About URB 2.......................................................................................................................................... |
20 |
Service menu........................................................................................................................................ |
20 |
Service – Lock URB............................................................................................................................... |
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Service – Unlock URB............................................................................................................................ |
21 |
Service – Key check.............................................................................................................................. |
22 |
Menu Control |
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At a glance............................................................................................................................................ |
22 |
Control ................................................................................................................................................. |
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Overview......................................................................................................................................... |
24, 25 |
Status report ........................................................................................................................................ |
25 |
Sensitivity.............................................................................................................................................. |
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Measuring range .................................................................................................................................. |
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Switchpoints ........................................................................................................................................ |
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Switchpoints, proportional range .......................................................................................................... |
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Switchpoints, output 4-20 mA .............................................................................................................. |
28 |
Switching times .................................................................................................................................... |
29 |
Control valve ........................................................................................................................................ |
30 |
Control param....................................................................................................................................... |
31 |
Temperature.......................................................................................................................................... |
31 |
Blowdown valve ................................................................................................................................... |
32 |
MIN/Blowdown...................................................................................................................................... |
33 |
Menu Limiter |
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Limiter.................................................................................................................................................. |
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Note...................................................................................................................................................... |
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Control unit .......................................................................................................................................... |
35 |
Limiter Lx.............................................................................................................................................. |
35 |
Malfunctions |
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Causes.................................................................................................................................................. |
36 |
Systematic fault finding procedure for system malfunctions ................................................................. |
37 |
Restart ................................................................................................................................................. |
38 |
Status messages................................................................................................................................... |
39 |
Contents – continued – |
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Page |
Annex |
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CAN bus................................................................................................................................................ |
40 |
Factory set node IDs.............................................................................................................................. |
40 |
Decommissioning.................................................................................................................................. |
40 |
Disposal ............................................................................................................................................... |
40 |
Declaration of Conformity...................................................................................................................... |
41 |
Glossary........................................................................................................................................ |
42 – 44 |
Important Notes
Usage for the intended purpose
The operating & display unit URB 2 may only be used in conjunction with GESTRA CAN bus devices.
Any type of use differing from the usage described above must be considered as improper. The resulting risk will have to be borne by the user alone. The manufacturer hereby expressly rejects any claims for any damage resulting from improper usage.
Safety note
The equipment must only be installed and commissioned by qualified and competent staff. Retrofitting and maintenance work must only be performed by qualified staff who – through adequate training – have achieved a recognised level of competence.
ATEX (Atmosphère Explosible)
According to the European Directive 94/9/EC the equipment must not be used in explosion risk areas.
Explanatory Notes
Scope of supply
URB 2
1 Operating & display unit URB 2
1 Connecting socket type M 12, with 5 poles, A-coded
1 Connecting socket type M12, with 5 poles, A-coded, with terminating resistor 120 Ω 1 Installation manual
1 Sticker with password
System description
The URB 2 is an operating & display unit for all GESTRA CAN bus devices that uses the CANopen protocol to register all the data telegrams coming from the sensors, control units and actuators that are provided by the CAN bus.
The following readings, parameters and settings can be displayed and – with the exception of the actual values – also be changed by means of the URB 2.
Explanatory Notes – continued –
System description – continued –
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Level |
Conductivity |
Temperature |
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Actual value bar chart |
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Actual value, numerical |
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MIN limit |
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MAX limit |
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Switchpoints |
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Relay (de)energizing times |
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Actual-value output 4-20 mA |
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Measuring range |
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Setpoint |
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Control parameters |
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Valve position of level control valve |
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Unit (μS/cm or ppm) |
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Stand-by |
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Continuous blowdown valve |
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Operating position of the valve |
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Purging pulse 24 h |
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Intermittent blowdown interval |
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Duration of intermittent blowdown |
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Manual/Automatic operation |
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Function
The operating & display unit URB 2 evaluates at regular intervals the data telegrams of all sensors, controllers and actuators in a CAN bus system. The readings, parameters, settings and messages are indicated in plain text. When used as second water level indicator in boiler plants (TRD 401, EN 12952 /
...53), the level is also indicated in the form of a bar graph.
Several languages can be selected for plain text display.
The password protection prevents unauthorized persons from changing parameters and settings.
If other menu levels are selected via the start window and neither a button nor the navigation wheel is then actuated, the operating & display unit URB 2 will automatically return to the start window after 5 minutes. The time-out function is not effective during manual operation or in the parameterization mode.
The help function in the various operating levels offers additional information on how to operate the equipment.
Technical Data
URB 2
Input/output
CAN bus interface with power supply 18-36 V DC, short circuit protected
Data exchange
CAN bus to ISO11898, CANopen protocol
Indicators and adjustors
1 Graphic display, resolution 320 x 240 pixels, illuminated
4 Pushbuttons
1 Control knob with integrated pushbutton (navigation wheel)
Wiring
2 Connecting sockets type M 12, with 5 poles, A-coded
Power consumption
5.2 VA
Protection
Front face: IP 54 to EN 60529 Rear panel: IP 10 to EN 60529
Admissible ambient temperature
0 – 55°C
Case materials
Front face: Ultramid A3K
Enclosure: Sheet metal type DC01-A, surface yellow chromatized
Weight approx. 1.1 kg
Name plate / Marking
Equipment designation
Characteristics Output / Voltage, current
Software version
Betriebsanleitung beachten
See installation instructions
Voir instructions de montage
GESTRA AG |
Münchener Straße 77 |
D-28215 Bremen |
Fig. 1
Disposal note
Protection Pressure/temp. range
CE marking Manufacturer
Technical Data – continued –
Dimensions
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GESTRA URB 2 |
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Home |
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Control |
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Limiter |
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Level |
Conductivity |
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150 |
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StdBy |
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45 % |
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MAX |
6000 |
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ACT. |
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µS/cm |
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F |
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Temperature |
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MAX |
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ACT. |
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°C |
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Pressure |
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ACT. |
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bar |
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P |
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HS U |
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Fig. 2 |
max |
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MAX 55 °C
MAX 55 %
IP 54
E |
F |
[mm] |
[mm] |
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174 |
145 |
Installation
URB 2
The operating and display unit URB 2 is designed for installation in control cabinets.
1.Provide cut out in control cabinet, dimensions 174 x 145 mm, max. sheet thickness 10 mm.
2.Unscrew the white fixing nuts D and remove the back of the housing C. If necessary you can also unscrew the stud but not more than 35 mm.
3.Put the operating and display unit URB 2 A into the cut-out, replace the back of the housing C, screw in and tighten the fixing nuts D.
Functional Elements
URB 2
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GESTRA URB 2 |
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Home |
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Control |
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Limiter |
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Level |
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Conductivity |
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StdBy |
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45 % |
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MAX |
6000 |
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ACT. |
4800 |
µS/cm |
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Temperature |
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MAX |
300 |
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ACT. |
150 |
°C |
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Pressure |
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MAX |
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ACT. |
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bar |
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A 3
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HSU |
1 |
2 |
1 |
Fig. 3
Functional Elements – continued –
URB 2 – continued –
B C D
Fig. 4
Key
1Pushbutton
2Navigation wheel
3Illuminated LCD display, resolution 320 x 240 pixels
AFrame with indicators and adjustors
BConnector, 5poles
CBack of housing
DFixing studs and nuts for installation in control cabinet
10
Wiring
Bus cable, cable length and size
To connect the equipment use the supplied M12 connecting sockets.
Note that screened multi-cored twisted-pair control cable is required as Bus line, e. g. UNITRONIC® BUS CAN 2 x 2 x ...mm² or RE-2YCYV-fl 2 x 2 x ...mm².
Control cable assemblies (cable with plug and connector) of various lengths are available as add-on equipment.
The cable length dictates the baud rate (data transfer rate) between the bus nodes, and the total power consumption of the sensor dictates the conductor size.
Baud rate |
Cable length |
Number of pairs |
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and conductor size [mm²] |
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250 kBit/s |
125 m |
2 x 2 x 0.34 |
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125 kBit/s |
250 m |
2 x 2 x 0.5 |
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100 kBit/s |
335 m |
2 x 2 x 0.75 |
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50 kBit/s |
500 m |
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available on demand |
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20 kBit/s |
1000 m |
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(depends on bus configuration) |
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10 kBit/s |
1000 m |
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Wiring the connecting sockets
Wire the connecting sockets in accordance with the wiring diagram.
Wiring diagram URB 2
32 |
1 |
54643 |
2 |
51 |
Key |
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1 |
Screen |
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2 |
Voltage supply |
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24 V DC+ |
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3 |
Voltage supply |
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24 V DC– |
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4 |
CAN data line CH |
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5 |
CAN data line CL |
Fig. 5 |
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6 |
Terminating resistor 120 Ω |
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UNITRONIC® is a registered trademark of LAPP Kabelwerke GmbH, Stuttgart.
11
Wiring – continued –
Wiring diagram for CAN bus system – example –
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Central |
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earthing point |
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CEP |
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Control unit |
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NRS 1-4x |
Level electrode |
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NRS 2-40 |
Conductivity |
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Temperature |
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NRR 2-40 |
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electrode |
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Operating device |
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LRR 1-40 |
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NRG x6-4x |
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transmitter |
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URB 2 |
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TRS 5-40 |
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LRG xx-4x |
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TRV 5-40 |
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Connecting socket with |
Plug with terminating |
terminating resistor 120 Ω |
resistor 120 Ω |
Fig. 6
Attention
■Wire equipment in series. Star-type wiring is not permitted!
■Connect screens of the bus cables once to the central earthing point (CEP).
■If two or more system components are connected in a CAN bus system, the first and the last device must be provided with a terminating resistor of 120 Ω (terminal
CL/CH). We recommend that you use the URB 2 with a connecting socket equipped with terminating resistor either as first or as last device.
■Only one operating and display unit URB 2 may be used per CAN bus network.
■The CAN bus system must not be interrupted during operation.
In the event of an interruption a malfunction alarm is raised.
■The operating and display unit URB 2 must not be applied in parallel with the operating, display & automatic control device SPECTORcontrol.
Basic Settings
Factory setting
Operating & display unit URB 2
The operating and display unit URB 2 unit features the following factory set default values:
■Node ID: 60
■Baud rate: 250 kBit/s (125 m cable length)
12
Operation
Operator interface
The operating and display unit URB 2 shows parameters, operating conditions and other operating data. The menus can be selected and all inputs can be made by using the four pushbuttons and the navigation wheel.
The operator interface of the operating and display unit URB 2 consists of four areas:
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GESTRA URB 2 |
Title bar |
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Home |
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Control |
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Limiter |
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Display field
Symbol bar
Operating bar
HSUP
The title bar lists the menus. The selected menu is highlighted by a black background. Due to the limited space of the display not all menus can be shown.
Note
Current alarm indicators are indicated in the title bar. The equipment that raised the alarm is flashing.
The display field changes its appearance according to the indicated menu. The symbol bar shows the available functions of the activated menu.
The operating bar consists of four pushbuttons and a navigation wheel. The symbol bar indicates the functions assigned to the pushbuttons and the control of the navigation wheel.
Attention
Do not press several pushbuttons at the same time or when using the navigation wheel. Incorrect data input may occur.
To ensure correct entries press the respective pushbutton or use the navigation wheel for one second.
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Operation – continued –
Menus
The start window in the display shows all possible indications and readings. Note that the system configuration determines what is actually indicated.
Level controller NRR 2-40, manual operation, level 45 %
Conductivity controller LRR1-40, manual operation*) Conductivity controller LRR1-40, stand-by operation*)
Conductivity MAX limit setting 6000 μS/cm Conductivity Actual value setting 4800 μS/cm Temperature MAX limit setting 300°C Temperature Actual value 150°C
*) Both indications at the same time are not possible during operation.
1.To select a menu turn the navigation wheel to the left or right. The selected menu is highlighted in the title bar and the overview display of the menu is indicated.
2.To call up the selected menu press the navigation wheel.
3.To select the value to be set or the equipment in question turn the navigation wheel. The selection will be highlighted.
4.To call up the menu of the parameter or equipment press the navigation wheel. The selected menu will be shown.
5.Only applicable for the menu Control: To get the full listing of all devices repeat items 3 and 4.
Home |
Control |
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Limiter |
Level |
Conductivity |
StdBy |
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45 % |
MAX |
6000 |
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ACT. |
4800 |
µS/cm |
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Temperature |
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MAX |
300 |
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ACT. |
150 |
°C |
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Pressure |
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MAX |
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ACT. |
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bar |
Home |
Control |
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Limiter |
Function |
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Status |
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NRG 16-42 - Level |
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ON |
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NRG 26-40 - Level |
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ON |
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LRG 1x-4x - Conductivity |
ON |
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TRV 5-40 - Temperature |
ON |
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Home |
Control |
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Limiter |
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Choice |
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n Press button to quit the currently active menu.
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Operation – continued –
Specification of keys and navigation wheel
The functions allocated to the keys and the navigation wheel of the operating and display unit URB 2 depend on the activated menu. The allocation is shown in the symbol bar.
Press key to view the associated help text in a separate menu window. Press button to confirm the parameter settings.
Press button for approx. 1 sec to confirm the parameter settings of values or devices. If only one value can be changed in the menu the indicator in the parameterisation mode will go to the value to be set.
Turn the navigation wheel to the left or to the right to select menus, devices or parameter settings. In addition, if the symbol is shown, you can confirm this selection by pressing the navigation wheel.
To make larger modifications of the entered data more quickly use keys and for a fairly rough selection. Then use these keys or the navigation wheel for the subsequent fine tuning.
To activate the manual mode of the individual devices use key . The equipment will be controlled only by the operating and display unit URB 2 unless it is deactivated. The manual mode is indicated in the indicating bar of the start menu by the symbol .
The activation or deactivation of the password protection is indicated in the symbol bar of the start window by or .
The key has several functions. When the parameterisation mode is active it can be used to cancel the current modifications and to go back to the original setting. Furthermore it closes the active submenu and opens the master menu. To return to the start menu press the key several times.
Specification of the symbol bar
Key |
Designation |
Function |
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Help |
Displaying help text |
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OK |
Quitting the help menu / Confirming the input |
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Parameter setting |
Parameter setting (highlighted when activated) |
Turning the navigation wheel:
Navigation wheel Navigation between windows
Moving to other parameter setting
Changing parameter settings
Turning and pressing the navigation wheel:
In master level: Calling up the menu elements
Navigation wheel In general: Confirmation
Moving to other parameter setting
Changing parameter settings
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