Operating Instructions AZ260
Contents
1. PKP Prozessmesstechnik GmbH Borsigstrasse 24 D 65205 Wiesbaden Nordenstadt Tel 06122 7055 0 Fax 06122 7055 50 Operating Instructions AZ260 Instruction Manual Model AZ260 Table of Contents 1 Safety Instructions 2 Product ID Dimensions 3 Function Description 4 Installation Battery Replacement 5 Programming 6 Technical Data 7 Spare Parts 1 Safety Instructions This instrument has been manufactured in accordance with the applicable state of the art and meets all safety regulations as shipped from the factory Installation and startup must be performed by qualified electricians only Operate instrument only when properly installed If safe operation can no longer be ensured disable the instrument and secure it against unauthorized operation Prevent injury to people or damage to property due to failure or malfunction of the equipment through additional safety measures such as limit switches protective equipment etc Read the Instruction Manual carefully before startup AZ260 eng Page 1 2 Product Identification Dimensions Design gt E o t NA 0 8 mm to 6 mm Model uwsy 26 4 TVIOL 36 mm UILNNOI ualdWalvs Page 2 AZ260 eng 3 Function Description This instrument can be used as a rate meter and as a pulse counter The instrument has been pre programmed in the factory and must be adapted to your process for bo2. 7 Spare Parts Lithium battery SL 761 S AZ260 eng any H 5 VDC or open 30 VDC approx 1 MOhm Low active 65 ms Low active Operating mode Programming mode Order No 1110761100 Page 16
3. Reset key disabled CHANNEL If you have not enabled the reset key the string TOTAL is displayed Having completed the programming disconnect the programming input PROG from 0 V Please note that only the parameters confirmed with S E are accepted 6 Technical Data Displays Special LC display with dimension line 8 digits 10 mm digit height pre decimal point zero suppressed Display Capacity Rate meter 99999999 Automatic decimal point Pulse counter 99999999 Programmable decimal point Accuracy Period measurement accuracy Programmable to 0 1 1 or 10 corresponds to minimum resolution of 4 3 or 2 digits respectively Power Supply internal lithium battery 3 6V 1 2 Ah Average battery life 5 years LED Display backlighting AZ260 eng Page 13 The LED display backlighting must be operated with external voltage connected to 24 VDC and 0 V screw terminals External Voltage 24 VDC max residual ripple 5 absolute limits 19 to 30 VDC Electromagnetic Compatibility EMC Interference emission EN 55011 Group 1 Class B Interference strength EN 50082 2 EN 61010 1 Measuring Insulation Voltage 100 Veff Contamination Class 2 Surge Category III DIN VDE 0411 Protection Class Protection Class 11 Electrical Connection Terminal screw connection P Phillips screws size 1 max lead section 2 x 1 5 mm min lead section 2 x 0 2 mm IEC 529 Protection Class IP 65 front Temperature Humidity range Operating t
4. ected accuracy rounds off the displayed value and sets the decimal point automatically Measurement starts with the active edge at the counter input A After the measurement time 1 sec has elapsed the measurement is completed with the next active edge and the value is displayed in CHANNEL A If no active edge appears within the time out period you have programmed the rate meter is reset to zero At frequencies gt 1 Hz the average is calculated When the allowable count frequency is exceeded the value zero appears in the display if the possible display range 99999999 is exceeded the display E appears CHANNEL A 1 min Display as delivered AZ260 eng Page 4 Pulse Counter The pulses entering at the input B are added and displayed in CHANNEL B You can scale the display using an appropriate scaling factor You can also set a fixed decimal point and program the pulse counter so that you can reset it either through the regular electrical reset on the back or through the red R key on the front CHANNEL After pressing the S E key 4 Installation Battery replacement After unpacking the instrument remove the light colored frame from the back of the housing by simultaneously bending both long sides of the frame slightly apart to disengage them from the locking holes Then slide the housing through the cutout prepared in the front panel attach the frame onto the back of the housing slide
5. emperature range 10 C to 50 C Storage temperature range 20 to 70 C Temperature Humidity 90 relative humidity 38 C IEC 68 2 6 Vibration Strength Variable frequency range 10 to 500 Hz 0 35 mm or 5 amplitude 10 Frequency cycles per axis Dimensions Frontal dimensions 36mm x 72 mm Total depth 38 5 mm AZ260 eng Page 14 Fastening Front panel mount via frame Front panel thickness 0 8 mm to 6 mm Front panel cutout DIN 43700 33 0 6 mm x 68 0 6 mm Weight approx 95 g Housing Material Combustibility PC plastic Combustibiity VO under UL Standard 94 Inputs Input INA Rate Meter and Input INB Pulse Counter Pulse shape any Programmed as HIGH SPEED input High active Signal level L 1 VDC H 5 VDC Max voltage amplitude 30 VDC Input resistance approx 39 kOhm Max frequency pulse duty factor 1 1 10 kHz min pulse time 50 us min pulse pause 50 us Active edge High Low Programmed as SLOW SPEED input Low active Signal level L 0 VDC H gt 5 VDC or open Max voltage amplitude 30 VDC Input resistance approx 1 MOhm Max frequency pulse duty factor 1 1 30 Hz min pulse time 16 ms min pulse pause 16 ms Active edge Low High AZ260 eng Page 15 Reset Input R Pulse Counter Pulse shape Signal level L 0 VDC Max voltage amplitude Input resistance Static response min pulse time Programming Input PROG Static response Input open Input connected O V
6. ensor pulse constant provides the number of pulses per unit Example Set a sensor constant of 500 pulses per revolution Press R Press R 2 times Lan AV L LUI CHANNEL A Press S E AZ260 eng Page 10 Scaling factor Channel A Rate Meter You may set the scaling factor SF in the range of 0 0001 to 99 9999 as explained for setting the pulse constant The scaling factor is used when converting one physical unit to another e g diameter to perimeter liters to gallons Time out Period Channel A Rate Meter You can set the desired timeout period time out after which the display is reset to zero if the operating frequency is so low or zero that the measuring time would be intolerably long The timeout period can be set in the range of 1s to 99s Example Set timeout period to 10s Press R Press S E E Ut Ltt UL CHANNEL A s Count Frequency Channel A Rate Meter AZ260 eng Page 11 maximum frequency 10 kHz maximum frequency 30 Hz Count Frequency Channel B Pulse Counter CHANNEL B maximum frequency 10 kHz maximum frequency 30 Hz Scaling Factor Channel B Pulse Counter You can set the Scaling Factor in the range of 0 0001 to 99 9999 Set the scaling factor as described under Scaling Factor Channel A Decimal point Channel B Pulse Counter AZ260 eng Page 12 Reset Key enabled Channel Pulse Counter rr L CHANNEL Reset key enabled
7. it all the way against the back of the front panel and carefully attach it with the two side screws to the front panel In this way you can compensate for different front panel thicknesses Class IP 65 front protection is achieved through the seal integrated in the housing See the wiring diagram below for the electric wiring AZ260 eng Page 5 The battery is accessible from the back of the instrument There is a vertical notch under the middle of the nameplate Cut through the nameplate there Then slide out the two part battery cover to one side along the guide grooves and replace the battery observing the correct polarity The instrument MUST BE connected to 24 VDC at this time otherwise all settings will be lost 5 Programming The instrument can only be programmed by setting the programming input PROG to 0 V Please note that this causes the pulse counter to be reset internally After having set the programming input PROG to 0 V the following is displayed AZ260 eng Page 6 IILL CHANNEL A This display identifies the rate meter Channel A it cannot be changed By repeatedly pressing the S E key you can cycle through the individual menu items The following figures correspond to the factory settings of the instrument m LUI IL Physical unit Channel A ror I IL CHANNEL Sensor pulse constant Channel A Accuracy Channel A Scaling factor Channel A This disp
8. lay identifies the pulse counter Channel B it cannot be changed AZ260 eng Page 7 CHANNEL B CHANNEL Decimal point Channel B Reset key enabled Channel B You can make changes within each menu point as follows 1 Press the R key The parameter to be changed is activated i e it begins to flash 2 Press repeatedly if necessary Set the desired parameter 3 Press S E The parameter just set is confirmed and displayed steadily 4 Press S E again You reach the next menu item See the possible settings allowed in each menu from the following figures Flashing display elements are shown in a lighter color AZ260 eng Page 8 Physical unit Channel A Rate Meter Selecting the physical unit tL LIU IL CHANNEL A n Physical unit 1 min tL LIU IL CHANNEL A Physical unit 1 5 tL LIU IL CHANNEL A Physical unit I h Physical unit gal min tL LIU IL CHANNEL A Physical unit 1 s tL LIU IL CHANNEL A Physical unit 1 h _ LIU A an CHANNEL A Physical unit l min LOT A a CHANNEL A Physical unit gal s ET un tu CHANNEL A Physical unit gal h Accuracy Channel A Rate Meter Setting measurement accuracy See also page 13 AZ260 eng Page 9 Accuracy 0 1 Sensor Pulse Constant Channel A Rate Meter You can set the pulse constant of the sensor in the range of 1 to 99999 The s
9. th the rate meter function and pulse counting see Section 5 Programming The instrument is ready for operation when the programming input is not wired You can switch between Rate meter and Pulse Counter displays using the S E key during operation at any time The instrument has two counting inputs Both inputs INA and INB Low or High active are designed for pulse sequences up to 30 Hz or up to 10 kHz and you can they program any Note that you have to program both channels at the same pulse sequence if the two inputs are working in parallel connection with a common pulse source The backlighting is activated and load on the internal battery is reduced by applying an external supply voltage of 24 VDC All stored data is lost when the battery is replaced The message 260 xx xx for software version number appears after the new battery is installed The instrument is ready to operate after the S E key is depressed which activates the factory programming AZ260 eng Page 3 Rate Meter The rate meter operates by the principle of period length measurement with ARS Auto Range System You can adapt the display to your operation using the programming sequence 1 Input the physical unit of the rate meter time basis 2 Select accuracy 3 Set sensor pulse constant 4 Program a suitable scaling factor and 5 Program the pulse sequency ARS helps minimize display process related fluctuations depending on the sel
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