BD Sensors AX13-CIT 400 Manuel utilisateur

BD SENSORS GmbH

BD-Sensors-Straße 1 Telefon +49 (0) 9 35 / 98 11- 0 www.bdsensors.de

D - 95199 Thierstein Telefax +49 (0) 9 35 / 98 11- 11 info@bdsensors.de

Operating manual

AX13-CIT 400

Process Display for IS-areas

ID: BA_CIT400_Ex_E

Version: 10.2019.1

0637

CIT 400

pressure and level

Table of contents

1. General and safety-related information on this operating manual............................................3

1.1 Symbols used..................................................................................................................... 3

1.2 Staff qualification ................................................................................................................4

1.3 Intended use.......................................................................................................................4

1.4 Limitation of liability and warranty.......................................................................................4

1.5 Safe Handling.....................................................................................................................5

1.6 Safety-Related Maximum Values .......................................................................................5

1.7 Scope of Delivery ...............................................................................................................5

2. Product identification................................................................................................................5

3. Mounting ..................................................................................................................................6

3.1 Mounting and safety instructions ........................................................................................ 6

3.2 Top-hat rail mounting..........................................................................................................6

3.3 Front panel mounting..........................................................................................................6

3.4 Electrical installation ........................................................................................................... 7

3.5 Installation example............................................................................................................ 8

4. Overvoltage protection.............................................................................................................8

5. Operation .................................................................................................................................9

5.1 Operating and display elements ......................................................................................... 9

5.2 Menu operation ................................................................................................................ 10

5.3 Description of the menu levels .........................................................................................10

5.4 Structure of the menu system........................................................................................... 10

5.5 Menu list ........................................................................................................................... 12

6. Troubleshooting .....................................................................................................................17

7. Programming examples .........................................................................................................18

7.1 Level measurement .......................................................................................................... 18

7.2 Interface level measurement ............................................................................................19

7.3 In bounds / out of bounds ................................................................................................. 20

7.4 Changing of pumps .......................................................................................................... 21

8. Maintenance ..........................................................................................................................21

9. Removal from service ............................................................................................................21

10. Service / repair.....................................................................................................................22

10.1 Recalibration .................................................................................................................. 22

10.2 Return............................................................................................................................. 22

11. Disposal ...............................................................................................................................22

12. Warranty terms ....................................................................................................................22

13. EU Declaration of conformity / CE .......................................................................................23

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CIT 400

1. General and safety-related information on this operating manual

This operating manual enables safe and proper handling of the product, and forms part of the

device. It should be kept in close proximity to the place of use, accessible for staff members at

any time.

All persons entrusted with the mounting, installation, putting into service, operation, mainte-

nance, removal from service, and disposal of the device must have read and understood the

operating manual and in particular the safety-related information.

The following documents are an important part of the operating manual:

- Data sheet

- Type-examination certificate

For specific data to the device, please refer to the respective data sheet.

Download this by accessing www.bdsensors.de

or request it by e-mail or phone: [email protected] / phone: +49 (0) 92 35 98 11 0

The IS versions of our products are variants of the standard products.

In addition, the applicable accident prevention regulations, safety requirements, and country-

specific installation standards as well as the accepted engineering standards must be observed.

For the installation, maintenance and cleaning of the device, the relevant regulations and provi-

sions on explosion protection (VDE 0160, VDE 0165 and/or EN 60079-14) as well as the acci-

dent prevention regulations must absolutely be observed. The device was designed by applying

the following standards:

EN60079-0:2012+A11:2013

EN60079-11:2012

1.1 Symbols used

Warning word

- Type and source of danger

- Measures to avoid the danger

Warning word Meaning

DANGER

- Imminent danger!

- Non-compliance will result in death or serious injury.

WARNING

- Possible danger!

- Non-compliance may result in death or serious injury.

CAUTION

- Hazardous situation!

- Non-compliance may result in minor or moderate injury.

NOTE - draws attention to a possibly hazardous situation that may result in property damage in

case of non-compliance.

Precondition of an action

CIT 400

pressure and level

1.2 Staff qualification

Qualified persons are persons that are familiar with the mounting, installation, putting into ser-

vice, operation, maintenance, removal from service, and disposal of the product and have the

appropriate qualification for their activity.

This includes persons that meet at least one of the following three requirements:

- They know the safety concepts of metrology and automation technology and are familiar

therewith as project staff.

- They are operating staff of the measuring and automation systems and have been instruct-

ed in the handling of the systems. They are familiar with the operation of the devices and

technologies described in this documentation.

- They are commissioning specialists or are employed in the service department and have

completed training that qualifies them for the repair of the system. In addition, they are au-

thorized to put into operation, to ground, and to mark circuits and devices according to the

safety engineering standards.

All work with this product must be carried out by qualified persons!

1.3 Intended use

The CIT 400 is designed for supplying intrinsically safe sensors in explosive atmosphere of are-

as 0/1. The micro-controlled device collect the signal of the sensor and show the measured val-

ue in a 4-digit LED-display. For simple handling, the device features an extensive menu system

with several menu levels. The display can be freely programmed via three push-buttons in the

touchpad, which allow navigation through the menu system and feeding in values. The combina-

tion of independent limit value relays and freely scaleable analogue output allows the solution of

nearly every measurement task. The device is equipped with a password access protection to

permit operation of the complete menu system only to authorized persons.

This operating manual applies to devices with explosion protection approval and is intended for

the use in IS-areas. A device has an explosion-protection approval if this was specified in the

purchase order and confirmed in our order acknowledgement. In addition, the manufacturing

label includes a sign.

The user must check whether the device is suited for the selected use. In case of doubt, please

contact our sales department: [email protected] | phone: +49 (0) 92 35 98 11 0

BD|SENSORS assumes no liability for any wrong selection and the consequences thereof!

The technical data listed in the current data sheet are engaging and must absolutely be com-

plied with. If the data sheet is not available, please order or download it from our homepage:

http://www.bdsensors.de

WARNING

Danger through incorrect use

- In order to avoid accidents, use the device only in accordance with its

intended use.

1.4 Limitation of liability and warranty

Failure to observe the instructions or technical regulations, improper use and use not as intend-

ed, and alteration of or damage to the device will result in the forfeiture of warranty

and liability claims.

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CIT 400

1.5 Safe Handling

NOTE - Treat the device with care both in the packed and unpacked condition!

NOTE - The device must not be altered or modified in any way.

NOTE - Do not throw or drop the device!

NOTE - Excessive dust accumulation (over 5 mm) and complete coverage with dust must be

prevented!

NOTE - The device is state-of-the-art and is operationally reliable. Residual hazards may origi-

nate from the device if it is used or operated improperly.

1.6 Safety-Related Maximum Values

Uo= 25.2 V, Io= 84.8 mA, Po= 535 mW; IIC: Co= 107 nF; Lo= 5.7 mH

1.7 Scope of Delivery

Check that all parts listed in the scope of delivery are included free of damage, and have been

delivered according to your purchase order:

•CIT 400

•this operating manual

•for front panel housing: additionally 2 screw-in clamps

2. Product identification

The device can be identified by its type plate. It provides the most important data. By the order-

ing code, the product can be clearly identified. For identification of the firmware, the program

version (e. g. P074) will appear for about 1 second in the display after starting up the device.

Please hold it ready for inquiry calls.

Fig. 1 : Example of manufacturing label

NOTE - The manufacturing label must not be removed!

The marking for devices with explosion-protection approval has to include following

information:

IBExU05 ATEX 1097 X II (1)G [Ex ia Ga] IIC II (1)D [Ex ia Da] IIIC

Ordering code

Serial number

Type designation

Number of EC type-examination certificate

and Ex-designation

Safety technical

maximum values

CIT 400

pressure and level

3. Mounting

3.1 Mounting and safety instructions

DANGER

Danger of death from explosion and electric shock

- Always mount the device in a depressurized and de-energized condition!

- Do not install the device while there is a risk of explosion.

DANGER

Danger of death from improper installation

- Installation must be performed only by appropriately qualified persons

who have read and understood the user manual.

NOTE - The technical data listed in the EC-type examination certificate are binding. Download

this by accessing www.bdsensors.de or request it by e-mail or phone: [email protected] |

phone: +49 (0) 92 35 98 11 0

NOTE - Make sure that the entire interconnection of intrinsically safe components remains in-

trinsically safe. The owner-operator is responsible for the intrinsic safety of the overall system

(entire circuitry).

NOTE -For operation and maintenance work, the operator is obligated to observe the infor-

mation on the warning signs possibly affixed to the device.

The transmitter mounting place has to be selected according to certain criteria.

Please avoid strictly:

• direct sunlight (use weatherproof cover if necessary)

• heat emitting objects (max. ambient temperature: +40°C

• objects with strong electromagnetic fields (e. g. frequency converters)

• corrosive chemicals or gas

• mechanical shocks

• vibrations

• radioactive radiation

• installation close to footpaths or travel ways

Please observe the following points when selecting the measurement place:

• The installation surface must be free of vibrations.

• The ambient temperature must be between -20 °C and +40 °C

• Keep away from power lines or frequency converters (approx. 100 m).

3.2 Top-hat rail mounting

The unit will be fastened by snapping it onto an installed DIN top-hat rail with a minimum length

of 70 mm.

3.3 Front panel mounting

The front panel housing has to be fastened by using 2 screw-in clamps.

•Push the panel housing front sided into the panel cut-out as far as possible.

•Hang the 2 screw-in clamps into 2 opposed undercuts in the housing.

•After that tighten the two set screws while holding the screw-in clamps firmly with the other

hand.

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CIT 400

3.4 Electrical installation

For installation the lawful regulations of the respective country have to be observed.

The power supply must be separately protected by a 6 A slow-blow fuse and has to be iso-

lated from other facility parts (separate turn-off, e. g. by using an automatic cut-out with

>B< characteristics).

Please note during installation that electronic components may be destroyed by electrostatic

bursts. Therefore, avoid high electrostatic charge by providing proper ground connection.

Before impressing the rated voltage, the transmitter and sensor installation must be correctly

completed and checked.

All outer circuits, wires and lines connected to the device must have a minimum isolation re-

sistance of 250 V. If the voltage exceeds 42 V DC, a minimum isolation resistance

of 500 kΩ is necessary.

The section dimension of the power supply wires must be 0.75 mm² in accordance to

IEC 227 or IEC 245. To observe the degree of ingress protection, please refer to the technical

data in the appendix. The maximum switching voltage on the relay contacts must not exceed

250 V. According to Ex-protection, you must check if the devices’ power supplies have to be

integrated into the emergency shutdown conception of the facility.

When installing the device, the different types of housing (top-hat rail and front panel) have no

effect on the denomination of the terminal clamps, only their locations will vary.

For the electrical connection, please note the device’s configuration.

One copper wire with a maximum cross section of 2.5 mm² can be connected per clamp. Con-

nection is made by using terminal clamps and a screwdriver with a 2.5 mm blade. The terminal

clamps are normally unscrewed on delivery. Nevertheless, this must be checked before con-

necting the power supply or the signal wires.

Before first connection, it is necessary to have a slight pressure on the screw of the clamp-

ing connection to ensure a safe opening and a correct connection.

top-hat rail housing front panel housing

Fig. 2 Terminal clamps

CIT 400

pressure and level

3.5 Installation example

The power supply of the transmitter has principally not been drawn, but is mandatory. The ex-

amples listed below represent only a selection of possible combinations of the sensor

CIT 400.

Example 1: CIT 400 with analogue output, supplied by a 2-wire-sensor; with alarm relay

Fig. 3 CIT400 with 2-wire-sensor

Example 2: CIT 400 as transmitter, when supplied with voltage signals from a pickup or to

simulate an external sensor with voltage output at the CIT 400.

Fig. 4 CIT 400 with pickup feeding a mA-signal

4. Overvoltage protection

For effective protection of the process transmitters, it is necessary to protect power supply and

mA outputs by using overvoltage protection devices. We recommend:

- Data Pro 2x1 24 V/24 V for potential-free (galvanically isolated) data lines, 25 A leakage

current as well as automatic self-control by failsafe diodes, which interrupt the current

signal in case of error and cause an error message, given out by the process transmitter.

- Ener Pro 220 Tr for 230 V power supply of the process transmitter. Leakage current 20.000 A

and high capacity (up to 16 A) for safe and durable protection of several devices simultane-

ously.

Fig. 5 Overvoltage protection of analogue inputs

Limit value

message

Rel. 1

Writer

Display

Sensor supply

Limit value

message

Writer

Display

Sensor

4-20 mA

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CIT 400

Fig. 6 Overvoltage protection of analogue outputs

Fig. 7 Overvoltage protection of power supply

Please pay attention to the non-reversed connection of the Data Pro (p-side to transmitter) as

well as to a correct, straight wiring supply. The grounding (earth) must lead to the unprotected

side. The cross section of the ground wire should be 6 mm² at least!

5. Operation

5.1 Operating and display elements

Fig. 8 Touchpad

The touchpad of the process transmitter was designed to be user-friendly. So even an untrained

user will be able to carry out easily all fundamental tasks which ensure a correct operation of

the unit. The indication of the measured value as well as the configuration of the individual pa-

rameters occur through a menu via the display. The individual functions can be set with the help

of three miniature push buttons located in the front.

Analogue

output

Writer

Display

Supply

"▼" - button

"▲" - button

display

LED relay 1 LED relay 2

Enter-

button

LED Alarm

CIT 400

pressure and level

5.2 Menu operation

The menu system is a closed system allowing you to scroll both forward and backward through

the individual set-up menus to navigate to the desired setting item. To leave a menu item, push

the Enter-button. To leave the menu system completely, the last menu item has to be scrolled

over or you will have to wait until the device changes automatically to display mode (about

1 minute after pushing a button). All settings are permanently stored in an EEPROM and there-

fore available again even after disconnecting the device from the supply voltage.

•"▲" button: with this button you move forward in the menu system or increase the dis-

played value; it will also lead you to operating mode

•"▼" button: with this button you move back in the menu system or decrease the displayed

value; it will also lead you to operating mode

•Enter-button: with this button the menu levels can be entered to reach the menus items;

use this button also to confirm the menu items and the set values

5.3 Description of the menu levels

There are 8 menu levels, which can be chosen separately.

Paof = password protection

diSP = display

SinP = signal input (analogue input)

Lin = linearization

rELn = contacts (relays)

Aout = analogue output

tESt = simulation- / testing mode

ALLG = unit parameters

CAL = calibration

5.4 Structure of the menu system

The menu system and the menu items have been designed as simply as possible. Each indi-

vidual menu item is described below in detail allowing a straightforward and quick configuration

of your device. The grey marked menus are not available with IS version.

Please follow the manual meticulously and remember that changes of the adjustable pa-

rameters become only effective after pushing the "OK" button and after leaving the menu

item. If an error message appears in the display after pushing the enter-button, the set

value will not be stored.

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