Level Pro ITC 470 User Manual

USER MANUAL

METER

ITC 450 - ITC 470

ITC 450

ITC 470

Read the user's manual carefully before starting to use the unit or software.

Producer reserves the right to implement changes without prior notice.

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ITC 450/470 User manual

TABLE OF CONTENTS

1. BASIC REQUIREMENTS AND USER SAFETY

2. GENERAL CHARACTERISTICS

3. TECHNICAL DATA

4. DEVICE INSTALLATION  4.1. UNPACKING  4.2. ASSEMBLY  4.3. CONNECTION METHOD  4.4. MAINTENANCE

5. FRONT PANEL DESCRIPTION

6. PRINCIPLE OF OPERATION  6.1. MEASUREMENT MODE  6.2. DETECTION OF THE PEAK VALUES  6.3. CONTROL OF THE RELAY OUTPUTS   6.3.1. One threshold mode   6.3.2. Two thresholds mode

7. DEVICE PROGRAMMING  7.1. PROGRAMMING MENU  7.2. PARAMETERS EDITION   7.2.1. Numeric parameters (digit change mode)   7.2.2. Numeric parameters (slide change mode)   7.2.3. Switch parameters (“LIST” type)  7.3. MENU DESCRIPTION   7.3.1. “rEL1” menu   7.3.2. “bEEP” menu   7.3.3. “inPt” menu (common parameters)   7.3.4. “inPt” menu (parameters of temperature inputs)   7.3.5. “inPt” menu (parameters of current and voltage inputs)   7.3.6. ”OutP” menu   7.3.7. ”bri” parameter   7.3.8. ”HOLd” menu   7.3.9. ”SECu” menu   7.3.10. ”rS” menu   7.3.11. ”Edit” parameter   7.3.12. ”dEFS” parameter   7.3.13. ”SErv” menu  7.4. MENU STRUCTURE

8. THE ALARM LED

9. OVER-CURRENT PROTECTION

10. DISPLAYED VALUES CALCULATION  10.1. ADDITIONAL CALCULATIONS (USED CONVERSION CHARACTERISTIC)   10.1.1. Linear characteristic   10.1.2. Square characteristic   10.1.3. Square root characteristic   10.1.4. User defined characteristic  10.2. EXAMPLES OF CALCULATIONS

11. THE MODBUS PROTOCOL HANDLING  11.1. LIST OF REGISTERS  11.2. TRANSMISSION ERRORS DESCRIPTION  11.3. EXAMPLES OF QUERY/ANSWER FRAMES

12. DEFAULT AND USER'S SETTINGS LIST

01 02 02 05 05 06 08 16 16 17 17 19 20 21 22 23 23 24 24 25 25 26 26 28 29 29 30 32 33 33 34 34 35 35 35 36 38 38 38 38 39 39 40 40 41 44 45 50 50 53

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ITC 450/470 User manual

Explanation of symbols used in the manual:

This symbol denotes especially important guidelines concerning the installation and operation of the device. Not complying with the guidelines denoted by this symbol may cause an accident, damage or equipment destruction.

IF THE DEVICE IS NOT USED ACCORDING TO THE MANUAL THE USER IS

RESPONSIBLE FOR POSSIBLE DAMAGES.

This symbol denotes especially important characteristics of the unit. Read any information regarding this symbol carefully.

1. BASIC REQUIREMENTS AND USER SAFETY

The manufacturer is not responsible for any damages caused by inappropriate installation, not maintaining the proper environmental conditions and using the unit contrary to its assignment. Installation should be conducted by qualified personnel . During installation all available safety requirements should be considered. The fitter is responsible for executing the installation according to this manual, local safety and EMC regulations. If the device is equipped with PE connector, it should be connected to PE wire. Otherwise PE wire should be connected to GND connector.

unit must be properly set-up, according to the application. Incorrect configuration can cause defective operation, which

The can lead to unit damage or an accident. If in the case of a unit malfunction there is a risk of a serious threat to the safety of people or property additional, independent systems and solutions to prevent such a threat must be used. The unit uses dangerous voltage that can cause a lethal accident. The unit must be switched off and disconnected from the power supply prior to starting installation of troubleshooting (in the case of malfunction). Neighbouring and connected equipment must meet the appropriate standards and regulations concerning safety and be equipped with adequate overvoltage and interference filters. Do not attempt to disassemble, repair or modify the unit yourself. The unit has no user serviceable parts. Defective units must be disconnected and submitted for repairs at an authorized service centre.

In order to minimize fire or electric shock hazard, the unit must be protected against atmospheric precipitation and excessive humidity. Do not use the unit in areas threatened with excessive shocks, vibrations, dust, humidity, corrosive gasses and oils. Do not use the unit in areas where there is risk of explosions. Do not use the unit in areas with significant temperature variations, exposure to condensation or ice. Do not use the unit in areas exposed to direct sunlight. Make sure that the ambient temperature (e.g. inside the control box) does not exceed the recommended values. In such cases forced cooling of the unit must be considered (e.g. by using a ventilator).

The unit is designed for operation in an industrial environment and must not be used in a household environment or similar.

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ITC 450/470 User manual

2. GENERAL CHARACTERISTICS

The ITC 450/470 meter is equipped with one current input (0-20mA), two voltage inputs (0-10V and 0-150 mV), one RTD input (Pt 100/500/1000) and one TC input (thermocouple: K, S, J, T, N, R, B, E). Temperature of cold ends is compensated automatically. RTD and TC inputs are fully linearised. It is allowed to use only one input at the same time. Input ranges are described in the next chapter. Result is showed on 4-digit LED display. The device can be equipped with two or four relay (or OC type) outputs. Optionally ITC 450/470 with two relays (or OC type) outputs can be equipped with active current output, passive isolated current output or active voltage output. Device ITC 450/470 is equipped with RS-485 / Modbus RTU communication interface and sensor supply output. The meter can be ordered in two power supply versions.

ITC 450/470 can be used for controlling and regulation of processes need proportional and threshold control like: temperature processes (heating or cooling), valves controlling or other.

3. TECHNICAL DATA

Power supply voltage (depending on version)

External fuse (required)

Power consumption

Current input (20 mA)

Current measurement accuracy

Current input resistance

Accepted prolonged

input overload

Voltage input (10V range)

Voltage measurement accuracy

Voltage input resistance

Accepted prolonged

input overload

85...230...260V AC/DC; 50 ÷ 60 Hz (separated) or 19...24...50V DC and 16...24...35V AC (separated)

T - type, max. 2 A max. 6.5 VA @ 85 ÷ 260V AC/DC

max. 6.5 VA @ 16V ÷ 35V AC max. 6.5 W @ 19V ÷ 50V DC

0÷20 mA, 4÷20 mA overload protected, input current is limited to 50 mA (typically) ± 0.1% @ 25°C; ± one digit (for 0÷20 mA range)

< 65 (typical 30 )

20%

0÷5 V, 1÷5 V, 0÷10 V, 2÷10 V ± 0.1% @ 25°C; ± one digit (for 0÷10 V range)

> 100 kW (while maintaining correct polarization)

20%

Voltage input (150mV range)

Voltage measurement accuracy

Voltage input resistance

Accepted prolonged

input overload

0÷60 mV, 0÷75 mV, 0÷100 mV, 0÷150 mV ± 0.1% @ 25°C; ± one digit (for 0÷150 mV range)

> 1,5 M

20%

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ITC 450/470 User manual

RTD input (resistive)

Measurement range

Measurement accuracy

Measurement wires resistance

Thermocouple input

Thermocouple input range

Measurement accuracy

Accuracy of cold ends

temperature compensation

Sensor power supply output

Pt 100, Pt 500,Pt 1000

-100°C ÷ +600°C ± 0,1% @ 25°C; ± one digit max. 20 (every wire)

K, S, J, T, N, R, B, E K: -200°C ÷ +1370¢ªC

S: -50°C ÷ +1768¢ªC

-210°C ÷ +1200¢ªC

J: T: -200°C ÷ +400¢ªC

-200°C ÷ +1300¢ªC

-50°C ÷ +1768¢ªC

+250°C ÷ +1820¢ªC

B: E: -200°C ÷ +1000¢ªC

K, J, E :± 0.1% @ 25°C; ± one digit N :± 0.2% @ 25°C; ± one digit

T, R, B:± 0.5% @ 25°C; ± one digit

S, ± 1°C

24V +5%, -10% / max. 100 mA, stabilized

Relay output

OC-type output

Active current output

(optional, for two relays or two

OC-type output version only)

Load resistance max.

Passive isolated current output

(optional, for two relays or two

OC-type output version only)

Supply voltage

Load resistance max.

Active voltage output

(optional, for two relays or two

OC-type output version only)

Load resistance min.

0, 2 or 4 NO, 1A/250V AC (cos Ø = 1)

0, 2 or 4; 30mA / 30VDC / 100mW

range max. 0 ÷ 24 mA

700

range max. 2.8 ÷ 24 mA

Us = 9.5 ÷ 36V (Us – 9.5V) / 24mA [k ]

range max. 0 ÷ 11V

2000

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ITC 450/470 User manual

Temperature stability

Communication interface

Baud rate

ITC 450 Display (depending on version)

ITC 470 Display (depending on version)

Data memory

Front panel protection

Terminals protection

Housing type

Housing material

50 ppm / °C

-999 ÷ 9999, plus decimal point

RS-485, 8N1 and 8N2, Modbus RTU, not separated

1200 bit/s ÷ 115200 bit/s

LED, 4 digit, 20mm height, red or LED, 4 digit, 20mm height, green

non-volatile memory, EEPROM type IP 65

optional version with panel cut-out sealing available IP 20

panel

NORYL - GFN2S E1

Housing dimensions

Mounting hole

Assembly depth

Panel thickness

Operating temperature (depending on version)

Storage temperature (depending on version)

Humidity

Altitude

Screws tightening max. torque

Max. connection leads cross section

96 x 48 x 100 mm

90.5 x 43 mm

102 mm

max. 5 mm

0°C to +50°C or -20°C to +50°C

-10°C to +70°C or -20°C to +70°C

5 to 90% no condensation up to 2000 meters above sea level 0,5 Nm

2,5 mm

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ITC 450/470 User manual

Safety requirements

according to: PN-EN 61010-1 installation category: II pollution deg voltage insulation resistance: insulation stren input/output ter insulation stren 1min. @ 1350V

ree: 2

in relation to ground: 300V AC

>20M

gth between power supply and

minal: 1min. @ 2300V

gth between relays terminal:

EMC

This is a class A unit. In a residential or a similar area it can cause radio frequency interference. In such cases the user can be requested to use appropriate preventive measures.

according to: PN-EN 61326-1

4. DEVICE INSTALLATION

The unit has been designed and manufactured in a way assuring a high level of user safety and resistance to interference occurring in a typical industrial environment. In order to take full advantage of these characteristics installation of the unit must be conducted correctly and according to the local regulations.

Read the basic safety requirements on page 3 prior to starting the installation. Ensure that the power supply network voltage corresponds to the nominal voltage stated on the unit’s identification label. The load must correspond to the requirements listed in the technical data. All installation works must be conducted with a disconnected power supply. Protecting the power supply connections against unauthorized persons must be taken into consideration.

4.1. UNPACKING

After removing the unit from the protective packaging, check for transportation damage. Any transportation damage must be immediately reported to the carrier. Also, write down the unit serial number located on the housing and report the damage to the manufacturer.

Attached with the unit please find:

User’s manual, Warranty, Assembly bracket

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s - 2 pieces.

ITC 450/470 User manual

4.2. ASSEMBLY

The unit is designed for mounting inside housings (control panel, switchboard) insuring appropriate protection against surges and interference. Metal housings must be connected to ground in a way that complies with the governing regulations. Disconnect the power supply prior to starting assembly. Chec

k the connections are wired correctly prior to switching the unit on.

In order to install the unit, a 90.5 x 43 mm mounting hole (Figure 4.1, 4.2) must be prepared. The thickness of the material of which the panel is made must not exceed 5mm. When preparing the mounting hole take the grooves for catches located on both sides of the housing into consideration (Figure 4.1, 4.2). Place the unit in the mounting hole inserting it from the front side of the panel, and then fix it using the brackets (Figure 4.3). The minimum distances between the centre points of multiple units - due to the thermal and mechanical conditions of operation - are 115 mm x 67mm (Figure 4.4).

90,5 mm

13 mm

8 mm

13 mm

1 mm

8 mm

1 mm

43 mm

max. 5 mm

Figure 4.1. Recommended mounting hole dimensions

92 mm

Figure 4.2. Allowable mounting hole dimensions

43 mm

max. 5 mm

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ITC 450/470 User manual

5 mm

92 mm

8,5 mm

12 mm

16 mm

10 mm

Figure 4.3. Installing of brackets, and dimensions of connectors

115 mm

67 mm

Figure 4.4. Minimum distances when assembly of a number of units

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ITC 450/470 User manual

4.3. CONNECTION METHOD

Installation should be conducted by qualified personnel . During installation all available safety requirements should be considered. The fitter is responsible for executing the installation according to this manual, local safety and EMC regulations.

The unit is not equipped with an internal fuse or power supply circuit breaker. Because of this an external time-delay cut-out fuse with a small nominal current value must be used (recommended bipolar, max. 2A) and a power supply circuitbreaker located near the unit. In the case of using a monopolar fuse it must be mounted on the phase cable (L).

The power supply network cable diameter must be selected in such a way that in the case of a short circuit of the cable from the side of the unit the cable shall be protected against destruction with an electrical installation fuse.

Wiring must meet appropriate standards and local regulations and laws. In order to secure against accidental short circuit the connection cables must be terminated

with appropriate insulated cable tips. Tighten the clamping screws. The recommended tightening torque is 0.5 Nm. Loose screws can

cause fire or defective operation. Over tightening can lead to damaging the connections inside the units and breaking the thread.

the case of the unit being fitted with separable clamps they should be inserted into

appropriate connectors in the unit, even if they are not used for any connections.

Unused terminals (marked as n.c.) must not be used for connecting any connecting cables (e.g. as bridges), because this can cause damage to the equipment or electric shock.

If the unit is equipped with housing, covers and sealing to, protecting against water intrusion, pay special attention to their correct tightening or clamping. In the case of any doubt consider using additional preventive measures (covers, roofing, seals, etc.). Carelessly executed assembly can increase the risk of electric shock.

After

the installation is completed do not touch the unit’s connections when it is switched on,

because it carries the risk of electrical shock.

Due to possible significant interference in industrial installations appropriate measures assuring correct operation of the unit must be applied. To avoid the unit of improper indications keep recommendations listed below.

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ITC 450/470 User manual

Avoid running signal cables and transmission cables together with power supply cables and cables controlling inductive loads (e.g. contactors). Such cables should cross at a right angle.

Contactor coils and inductive loads should be equipped with interference protection systems, e.g. RCtype.

Use of screened signal cables is recommended. Signal cable screens should be connected to the earthing only at one of the ends of the screened cable.

In the case of magnetically induced interference the use of twisted pair of signal cables is recommended. Twisted pair (best if shielded) must be used with RS-485 serial transmission connections.

In the case of measurement or control signals are longer than 30m or go outside of the building then additional safety circuits are required.

In the case of interference from the power supply side the use of appropriate interference filters is recommended. Bear in mind that the connection between the filter and the unit should be as short as possible and the metal housing of the filter must be connected to the earth with the largest possible surface. The cables connected to the filter output must not be run with cables with interference (e.g. circuits controlling relays or contactors).

Connections of power supply voltage and measurement signals are executed using the screw connections on the back of the unit’s housing.

6-7 mm

max. 2 mm

Figure 4.5. Method of cable insulation replacing and cable terminals

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ITC 450/470 User manual

All connections must be made while power supply is disconnected !

Power supply

(depending on version)

1 2 5 6 7 8 9

10 1 1 12 13 14 15

(optional)R2(optional)

(optional)

3 4

(optional)

+24V +5%, -10%

Imax = 100mA

31 32 33 34 35

31 34

RTD

Figure 4.6. Terminals description (relay outputs)

Power supply

(depending on version)

1 2 5 6 7 8 9

(optional)

OC4

+ -

3 4

10 1 1 12 13 14 15

- + - + - + OC1

(optional) (optional) (optional)

OC1 ÷ OC4: Umax = 30V DC, Imax = 30mA, Pmax = 100mW

OC2

OC3

+24V +5%, -10%

Imax = 100mA

31 32 33 34 35

31 34

RTD

DATA-

;

RTD

RS - 485

GND DATA+

DATA

RTD

RS - 485

DATA+GND

;

33 34

Figure 4.7. Terminals description (OC-type outputs)

Power supply

(depending on version)

1 2 5 6 7 8 9

10 1 1 12 13 14 15

(optional) (optional)

Figure 4.8. Terminals description (relay and active current outputs)

ACTIVE

current output

(optional)

- +

3 4

ALMLALML

+24V +5%, -10%

Imax = 100mA

31 32 33 34 35

31 32

RTD

GND DATA+

RTD

RS - 485

DATA

33 34

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ITC 450/470 User manual

Power supply

(depending on version)

ACTIVE

current output

(optional)

+24V +5%, -10%

Imax = 100mA

GND DATA+

DATA

RS- 485

- +

1 2 5 6 7 8 9

10 1 1 12 13 14 15

OC1

(opcja)

OC1 ÷ OC2: Umax = 30V DC, Imax = 30mA, Pmax = 100mW

Figure 4.9. Terminals description (OC-type and active current outputs)

OC2

(opcja)

3 4

n.c. n.c.

31 34

RTD

31 32 33 34 35

RTD

33 34

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ITC 450/470 User manual

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ITC 450/470 User manual

Temperature sensor can be connected to the device in typical 4-wire circuit (Figure 4.17a) or 3-wire circuit (Figure 4.17b). Due to precision of measurement 4-wire circuit is recommended.

If 2 wire circuit is used, the resistance of wires should be as small as possible, to avoid of measurement errors. Measured value can be corrected (constant correction) using „toFS” parameter from menu „inPt”. Due to low precision 2-wire connection is not recommended.

When 4-wires or 2-wires connection is used, the resistance of particular wires (Ra ÷ Rd) CAN BE DIFFERENT. When 3-wires connection is used, the resistance of particular wires (Ra ÷ Rd) MUST BE IDENTICAL to enable proper compensation of it's resistance. The resistance of particular wire should not be greater than 20 .

a) b) c)

31 32 33 34

Rb Rc : Rd

RTD

Ra, Rb, Rc, Rd can be different

a) 4-wires circuit; b) 3-wires circuit; c) 2-wires circuit

31 32 33 34

n.c.

Ra Rc : Rd

RTD

Ra = Rc = Rd

Figure 4.17. Connection of RTD sensors:

31 32 33 34

n.c. n.c.

Ra Rc

RTD

Ra, Rc can be different

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ITC 450/470 User manual

The connection circuit should not be changed while unit is powered. While using TC, RTD or voltage inputs (0-150mV) the device is able to detect wire breaks. Wire breaks are detected within about 2 seconds. For connectors number 32 and 33 of RTD input it may take up to about 7 seconds. During detection measurements will be incorrect. If wire break is detected "S.Err" (sensor error) message is displayed.

Contacts of relay outputs are not equipped with spark suppressors. While use the relay outputs for switching of inductive loads (coils, contactors, power relays, electromagnets, motors etc.) it is required to use additional suppression circuit (typically capacitor 47nF/ min. 250VAC in series with 100R/5W resistor), connected in parallel to relay terminals or (better) directly on the load. In consequence of using the suppression circuit, the level of generated electromagnetic disturbances is lower, and the life of relay contacts rises.

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ITC 450/470 User manual

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ITC 450/470 User manual

4.4. MAINTENANCE

The unit does not have any internal replaceable or adjustable components available to the user. Pay attention to the ambient temperature in the room where the unit is operating. Excessively high temperatures cause faster ageing of the internal components and shorten the fault-free time of the unit's operation. In cases where the unit gets dirty do not clean with solvents. For cleaning use warm water with small amount of detergent or in the case of more significant contamination ethyl or isopropyl alcohol.

Using any other agents can cause permanent damage to the housing.

Product marked with this symbol should not be placed in municipal waste. Please check local regulations for disposal and electronic products.

5. FRONT PANEL DESCRIPTION

alarm LED indicator (AL)

Thresholds exceeding LED indicators (R)

AL R1 R2 R3 R4

ESC

ENTER

display

programming pushbuttons

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+ 41 hidden pages

Level Pro ITC 470 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual