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250 SERIES
Loop Powered Display
USER MANUAL
FLOW METER ITC 250 SERIES
Firmware: V.1.00 or Higher
Input Type: 4-20 mA
Supply from Current Loop 4-20 mA
Read the user's manual carefully before starting to use the unit or software.
Manufacturer reserves the right to implement changes without prior notice.
* Quick Start Programming Menu
Page 17
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Summary of Contents for Level Pro ITC 250 SERIES
- Page 1 250 SERIES Loop Powered Display USER MANUAL FLOW METER ITC 250 SERIES Firmware: V.1.00 or Higher * Quick Start Programming Menu Input Type: 4-20 mA Page 17 Supply from Current Loop 4-20 mA Read the user's manual carefully before starting to use the unit or software.
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Page 2: Table Of Contents
250 SERIES Loop Powered Display * Quick Start Programming Menu TABLE OF CONTENTS Page 17 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. DESCRIPTION OF THE FRONT PANEL AND IR REMOTE CONTROLLER PUSH-BUTTONS 6. - Page 3 250 SERIES Loop Powered Display 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.
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Page 4: General Characteristics
250 SERIES Loop Powered Display 2. GENERAL CHARACTERISTICS The ITC 250 is a simple digital wall-mounted indicator equipped with one measurement input (current input, 4-20mA) used simultaneously as device power supply input. The current input has includes an over-current protection circuit which protects standard resistor. The ITC 250 allows user to select a conversion characteristic of several kinds: linear, square, square root, and user defined (max.20 points length). -
Page 5: Device Installation
250 SERIES Loop Powered Display Max. Connection 2,5 mm2 Leads Diameter According to: PN-EN 61326-1 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. -
Page 6: Connection Method
250 SERIES Loop Powered Display CAUTION 4.3. CONNECTION METHOD Installation should be conducted by qualified personnel. During installation all available safety requirements should be considered. The installer is responsible for executing the installation according to this manual, local safety and EMC regulations. Wiring must meet appropriate standards and local regulations and laws. - Page 7 250 SERIES Loop Powered Display Figure 4.3. Terminals description 24V DC Figure 4.4. Connection of 2-wire current converters Figure 4.5. Connection of 3-wire current converters www. levelprosales.com www. levelprosales.com...
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Page 8: Maintenance
250 SERIES Loop Powered Display 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 can result in damage to the internal components and shorten the fault-free time of unit operation. -
Page 9: Principle Of Operation
250 SERIES Loop Powered Display Symbol used in the manual : [ENTER] Functions : ENTER • Start to edit the parameter • Enter into the sub-menu • Confirmation of changes made in parameter being edited Symbol used in the manual : [^] [v] Functions : •... -
Page 10: Detection Of The Peak Values
250 SERIES Loop Powered Display Configuration of the device via menu does not interrupt the level measurement. 6.2. DETECTION OF THE PEAK VALUES The ITC 250 controller is equipped with a peak detection function. It can detect the input signal peaks and display their values. -
Page 11: Device Programming
250 SERIES Loop Powered Display Figure 6.5. One threshold control of the relay/LED outputs ”SEt P” or ”SEt P2” parameter Figure 6.6. Two threshold control of the relay/LED outputs The relay outputs and LEDs (named "R") can be controlled depend on both - the current value and the peak value (when peak detection is active, for flow rate only) of the input signal. -
Page 12: Parameters Edition
250 SERIES Loop Powered Display Functions of the buttons while sub-menu and parameters choice: Selection of sub-menu or parameter for editing. Name of selected item (submenu or parameter) is displayed. Operation of [ENTER] button depend on present menu position: • if the name of some sub-menu is displayed - Press Enter; the name of the first parameter (or next level sub-menu) is then displayed, •... -
Page 13: Menu Description
250 SERIES Loop Powered Display Functions of buttons when editing numeric and switching parameters : While editing numeric parameter - change of current (flashing) digit. While editing switch parameter - selection of switch parameter. If numerical parameter is being changed or edited a quick pressing of the [ENTER] button will change edited position. -
Page 14: Inpt" Menu
250 SERIES Loop Powered Display "modE" - relay operation mode: the relay is not active (doesn’t change state) “noAc” one threshold mode, the relay turns ON when input signal exceeds from the bottom SEtP+HYSt value, and turns “on” OFF when exceeds from the top SEtP-HYSt, one threshold mode, the relay turns ON when input signal exceeds from the top SEtP-HYSt value, and turns OFF “oFF”... - Page 15 250 SERIES Loop Powered Display The process of displayed result calculation is described in details in DISPLAY VALUES CALCULATION paragraph. - this parameter sets filtration rate. It can be set to values from 0 (no filtration ) “FiLt” to 5 (strongest filtration – time window about 3 sec). - decimal point position.
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Page 16: Hold" Menu
250 SERIES Loop Powered Display " " " " " " " " The “Lo r” parameter determines lower border of the permissible range calculated due to expression: I = 4 mA - 4 mA × “Lo r” %. The “Lo r” value can be set from 0 to 12.4%. Parameter “Hi r”... -
Page 17: Scod" Parameter
250 SERIES Loop Powered Display 7.3.4. “Scod” parameter This parameter defines user password (4-digits number). If this parameter is set at value “0000”, user password is turned off. If the user do not remember his password, the access to the menu is possible by the “one-use password”. -
Page 18: Table Of Contents
250 SERIES Loop Powered Display...
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