GESTRA URB 1 Manuel utilisateur

Installation Instructions 810375-03

Operating Terminal and Display Unit URB 1

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URB 1

Contents

Usage for the intended purpose ......................................................................................8

Safety note ......................................................................................................................8

Explanatory Notes

Scope of supply ..............................................................................................................8

System description ......................................................................................................8, 9

Function ..........................................................................................................................9

Technical data ...............................................................................................................10

Wiring

Wiring diagram ........................................................................................................ 4, 12

Basic Settings

CAN bus ...................................................................................................................... 13

Node ID for GESTRA bus-based devices URB 1 ....................................................... 13

Factory set default values ............................................................................................ 13

Adjusting display brightness ................................................................................. 14, 15

Changing factory set node ID of URB 1 / adjusting & changing node ID of URB 1 . 16–18

Possibilities to display bus devices ............................................................................. 18

Setting / changing node IDs of bus-based equipment.......................................... 19–22

Visual display / parameterisation of bus-based equipment ................................. 23–28

0 %/100 % calibration for capacitance level monitoring system .......................... 29–31

Calibrating feedback potentiometer of an external control valve ......................... 32–35

Establishing switchpoints and proportional coefficient XP.................................... 36–39

Adjusting sensitivity of response ........................................................................... 40, 41

Setting relay delay times ....................................................................................... 42–44

Adjusting conductivity controller ........................................................................... 45–57

Adjusting LIN (linear) temperature compensation ................................................ 58–60

Adjusting NORM (standard curve) temperature compensation ........................... 61–65

Enabling AUTO temperature compensation ............................................................ 66, 67

Disabling temperature compensation ................................................................... 68, 69

Installation

URB 1 ...........................................................................................................................10

Example of installation ................................................................................................ 79

Important Notes

Page

Manual operation via external control valve ............................................................... 70

Stand-by operation with the steam boiler disconnected............................................. 71

Operation

Contents

Page

Systematic malfunction analysis for troubleshooting .................................................. 72

Fault finding list ...................................................................................................... 73, 74

System Malfunctions

Establishing / changing node ID ................................................................................. 75

Factory set node IDs .............................................................................................. 75, 76

Table: standard curves ................................................................................................ 77

Declaration of conformity............................................................................................. 78

Annex

Wiring Diagram

Fig. 2

Fig.1 Terminating resistor 120 Ω,

Paired cable

*) CEP = central earthable point

Operating

terminal

URB 1

Conductivity

controller

LRR 1-40

Conductivity

electrode

LRG 16-40

Terminating resistor

120 Ω

Voltage supply CAN data line

Terminating resistor

120 Ω

Electrode

NRG . . .

Level switch

NRS

CEP*)

Functional Elements

Fig. 3 1 2 3 4 5

Functional Elements

Fig. 4

Program button for switching between operating mode and parameterisation mode

Increase button

Decrease button

Enter button

Manual / automatic button

Illuminated LCD display, resolution 128 x 64 pixels

Code switch for baud rate setting

Fixing screws for panel mounting

Five-pole connector

Key

The URB 1 is a user-friendly operating terminal and display unit for GESTRA CAN

bus systems using the CANopen protocol.The equipment makes retrieving and

processing standard functions of associated system components very easy.

In addition, the URB 1 simplifies the parameterisation procedure: The switchpoints,

proportional band and response sensitivity can be adjusted by means of the keypad

regardless of the actual level. The energizing and de-energizing times of the relays

can be set individually for their respective switchpoints.

The following tables specifiy the GESTRA systems that can be displayed by the

URB 1.

Important Notes

Safety Note

Use operating terminal and display unit URB 1 only for operating and viewing

GESTRA CAN bus systems.

The equipment must only be installed by qualified staff.

Qualified staff are those persons who – through adequate training in electrical

engineering, the use and application of safety equipment in accordance with

regulations concerning electrical safety systems, and first aid & accident prevention –

have achieved a recognised level of competence appropriate to the installation and

commissioning of this device.

Usage for the intended purpose

Use operating terminal & display unit URB 1 only in conjunction with GESTRA

Spector bus systems (CANopen).

Explanatory Notes

Scope of supply

URB 1

1 Operating terminal and display unit URB 1 (in plastic case)

2 Fixing screws for panel mounting

1 Installation manual

System description

Function

Explanatory Notes – continued –

System description – continued –

The URB 1 communicates with other GESTRA system components via a designated

CAN bus using the CANopen protocol to DIN ISO 11898.

The URB 1 can also be used to operate and display further system components

during operation.

■Capacitance level switch type NRS 2-40 CANopen

■Level controller type NRR 2-40 CANopen

■Conductivity level switch type NRS 1-42 CANopen

■Low-level alarm to TRD 604/EN type NRS 1-40 CANopen

■High-level alarm to TRD 604/EN type NRS 1-41 CANopen

■Conductivity controller and limiter to TRD 604/EN type NRS 1-41 CANopen

Standard display information

Level Conductivity

NRS 1-40 NRS 1-41 NRS 1-42

NRS 2-40 NRR 2-40

LRR 1-40

Actual value (bar chart) ●● ●

Actual value (numerical value) ●● ●

Switchpoint (symbol) ●●● ●

High level alarm (electrode HW) ●●● ●

Low level alarm (electrode LW) ●●● ●

Manual/automatic operation ●● ●

Stand-by mode ●

Unit [µS/cm] or [ppm] ●

Low level limit ●

High level limit ●

Alarm (warning triangle) ●●

Further display information Level Conductivity

NRS 1-40 NRS 1-41 NRS 1-42

NRS 2-40 NRR 2-40

LRR 1-40

Actual value (continuous) ●● ●

Switchpoints ●●● ●

Setpoint ●●

Deviation ●●

Valve position ●●

Intermittent blowdown ●

Intermittent blowdown interval ●

Purging pulse 24 h ●

Current CAN bus addresses ●●●●● ●

Technical data

Type approval no.

TÜV · 98-399 (level)

TÜV · WÜL · 02-007 (conductivity)

Input

Power supply: 18 V – 36 V DC

Interface for CAN bus using CANopen protocol to DIN ISO 11898

Output

Interface for CAN bus using CANopen protocol to DIN ISO 11898

Indicators and adjustors

1 illuminated display, resolution: 128 x 64 pixels

5 push buttons

1 three-pole code switch for baud rate setting

Supply voltage

18 V – 36 V DC

Protection

Front panel: IP 54 to DIN EN 60529

Back: IP 00 to DIN EN 60529

Admissible ambient temperature

0°C – 55 °C

Case material

Front face: Aluminium with polyester membrane

Casing: Noryl GFN 2 SE 1, glass-fibre reinforced

Weight

Approx. 0.3 kg

Installation

URB 1

Tool

Panel mounting

1. Provide panel cut-out, dimensions: 92+0.8 x 92+0.8.

2. Install URB 1 using the fixing clips supplied with the equipment.

■Screwdriver (5.5/100)

Explanatory Notes – continued –

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