BD Sensors CIT 400 Bedienungsanleitung

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

CIT 400

Process Display

ID: BA_CIT400_E

Version: 10.2019.1

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 ................................................................................................................3

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

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

1.5 Safe Handling.....................................................................................................................4

1.6 Scope of Delivery ...............................................................................................................4

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

3. Mounting ..................................................................................................................................5

3.1 Mounting and safety instructions ........................................................................................ 5

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

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

3.4 Electrical installation ........................................................................................................... 6

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

4. Overvoltage protection.............................................................................................................9

5. Operation ...............................................................................................................................10

5.1 Operating and display elements ....................................................................................... 10

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

5.3 Description of the menu levels .........................................................................................11

5.4 Structure of the menu system........................................................................................... 11

5.5 Menu list ........................................................................................................................... 13

6. Troubleshooting .....................................................................................................................18

7. Programming examples .........................................................................................................19

7.1 Level measurement .......................................................................................................... 19

7.2 Interface level measurement ............................................................................................20

7.3 In bounds / out of bounds ................................................................................................. 21

7.4 Changing of pumps .......................................................................................................... 22

8. Maintenance ..........................................................................................................................22

9. Removal from Service............................................................................................................22

10. Service / repair.....................................................................................................................23

10.1 Recalibration .................................................................................................................. 23

10.2 Return............................................................................................................................. 23

11. Disposal ...............................................................................................................................23

12. Warranty Terms ...................................................................................................................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.

Complementary to this operating manual the current data sheet has to be adhered to.

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

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

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

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

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!

CIT 400

pressure and level

1.3 Intended use

The multifunctional process transmitter CIT 400 has been especially developed for the supply

and data acquisition of 2- and 3-wire-sensors with current signal. The micro-controlled device

collect the signal of the sensor and show the measured value in a 4-digit LED-display. For sim-

ple handling, the device features an extensive menu system with several menu levels. The dis-

play can be freely programmed via three push-buttons in the touchpad, which allow navigation

through the menu system and feeding in values. The combination of independent limit value re-

lays 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.

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.

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 - 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 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

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CIT 400

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!

3. Mounting

3.1 Mounting and safety instructions

DANGER

Danger of death from electric shock

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

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 -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 -20º C and +60 ºC

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

Type designation Ordering code Serial number

CIT 400

pressure and level

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.

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 VDC, 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. 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.

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CIT 400

Standard:

top-hat rail housing front panel housing

Optionally:

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 CIT 400 with 2-wire-sensor

Example 2: CIT 400 with analogue output supplied by a 3-wire-sensor; with alarm relay

Fig. 4 CIT 400 with 3-wire-ultrasonic-sensor

Example 3: 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. 5 CIT 400 with pickup feeding a mA-signal

Limit value

message

Rel. 1

Writer

Display

Limit value

message

Rel. 1

Writer

Display

Limit value

message

Writer

Display

Sensor

4-20 mA

9 www.bdsensors.

CIT 400

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. 6 Overvoltage protection of analogue inputs

Fig. 7 Overvoltage protection of analogue outputs

Fig. 8 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!

Sensor supply

Analogue

output

Writer

Display

Supply

CIT 400

pressure and level

5. Operation

5.1 Operating and display elements

standard option

Fig. 9 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.

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

LED relay

LED relay 3

LED Alarm

"▼" - button

"▲" - button

display

LED relay 1 LED relay 2

Enter-

button

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