Technical Data Sheet Theta Hz Theta Hz the transducer is used for frequency measurement. The output signal is proportional to measured frequency and is either load independent DC Current or load independent DC Voltage. Special Features Fully onsite programmable input range Available in Single or Dual output type Onsite selectable output type.(dc current / DC voltage) Accuracy class 0.2 ( IEC / EN 60688) Seven Segment LCD Display RS485(Modbus) Communication Output Response Time < 400 msec
Product Features Measuring Input Sine wave or distorted wave form of nominal input voltage with fundamental wave. Analog Output (Single or dual) Accuracy Programmable Input/Output Isolated analog output which can be set onsite to either voltage or current output. Output signal accuracy Class 0.2 as per International Standard IEC / EN 60688. The Transducer can be programmed onsite using front key & display or through programming port (COM) or through RS 485. LED Indication Display Module (Optional) Rs485 Communication (Optional) LED indication for power on and output type. (Current output : Red LED, Voltage output : Green LED) Symbols and their meaning Input Frequency Start value of input Elbow value of input 2 End value of input Output DC Voltage / DC Current Start value of output DC Voltage / DC Current Elbow value of output DC Voltage / DC Current Accuracy ( Acc. to IEC / EN 60688) Reference Value Basic Accuracy Output end Value (Voltage or Current) 0.2*C Factor C (The highest value applies if calculated C is less than,then C= applies Linear characteristics Bent characteristics C= 2 or C= - 2 For : C= or C= - RN End value of output DC Voltage / DC Current Rated value of output burden For 2: C= 2 or C= UN Nominal input voltage Reference conditions for Accuracy Ambient temperature 23 C +/- C Pre-conditioning Input Variable Input waveform Sinusoidal, Form Factor.07 Input signal frequency Auxiliary supply voltage 30 min acc. to IEC / EN 60688 Rated Voltage / Rated Current 50 or 60Hz At nominal range Output Load Rn = 7.5 V / ± % With DC current output signal Rn = / ma ± % With DC voltage output signal Miscellaneous Acc. to IEC / EN 60688 Measuring Output ( Single or Optional Dual) Output type Load independent DC Voltage, DC Current onsite selectable Measuring Input through DIP switches. Frequency Transducer (Theta H2 ) Load independent DC output Measuring Ranges 0 20mA 45Hz to 55Hz, / 4 20mA 48Hz to OR 52Hz, 0 0V. Output burden with 55Hz to 65Hz, 45Hz to 65Hz 0 R 5V/ DC current output Signal (min span 4Hz) Output Nominal burden input Voltage(UN) with 57V /(2 ma) UN 500 R V DC voltage output Signal Nominal input Voltage < 0.6 VA max Current burden limit under.25 * with current output overload Overload R=0 Capacity. 200 *UN ma continuously, with Voltage output 2*UN for second, repeated 0 <.25 * with voltage output Voltage limit under R= times at 0 minute intervals (maximum 30 V with 300V current with output power Residual Ripple in supply powered from measuring % pk-pk Output signal input). Response Time < 400 msec Version No. :TAHz/205/02
Auxiliary Power Supply AC/DC Auxiliary Supply AC Auxiliary supply frequency range Auxiliary supply consumption 60V...300 VAC-DC 24V...60 VAC-DC 60V 300 VAC-DC ± 5% or 24V... 60VAC-DC ± 0% 40 to 65 Hz < 8VA for Single output < 0VA for Dual output < 5 VA for Single output < 6 VA for Dual output Environmental Nominal range of use Storage temperature Relative humidity of annual mean Altitude As per IEC / EN 60688 standard Output Stability 0 to 45 C -40 C to 70 C 75% 2000m max < 30 min Output Characteristics Example of setting with Linear Characteristics : Example of setting with bent Characteristics : 2 2 2 2 = Start value of input = Start value of output = Elbow value of input = Elbow value of output 2 = End value of input = End value of output Note: End value() of output cannot be changed onsite. Safety Protection Class II (Protection Isolated, EN 600) Protection IP 40, housing according to EN 60 529 IP 20,terminal according to EN 60 529 Pollution degree Installation Category Insulation Voltage 50Hz,min. ( EN 600-) 7700VDC, Input versus outer surface 5200VDC, Input versus all other circuits 5200VDC, Auxiliary supply versus outer surface and output 690VDC, Output versus output versus each other versus outer surface. Additional error Connection Terminal Connection Element Permissible cross section of the connection lead ±0.2% /0 C Conventional Screw type terminal with indirect wire pressure Installation Data Mechanical Housing Mounting position Weight Lexan 940 (polycarbonate) Flammability Class V-0 acc. to UL 94, self extinguishing, non dripping, free of halogen Rail mounting / wall mounting Approx. 0.4kg Version No. :TAHz/205/02
ON LED Aux.supply healthy condition Green LED continuous ON O/P LED Output voltage selection Output Current selection Green LED continuous ON Red LED continuous ON O/P2 LED Output2 voltage selection Output2 Current selection Green LED continuous ON Red LED continuous ON Electrical Connections Dimensions Connection Measuring input Auxilliary Power supply Measuring output - Measuring output - 2 ~ ~ ~, + ~, - + - + - Terminal details 5 6 7 8 2 3 4 Version No. :TAHz/205/02
of transducer can be done in three ways Via port (COM) ) Via Front LCD & two keys. 2) Via optional RS485(MODBUS) communication port ( Device address, Password,communication parameter, Output Type & simulation mode can be programmed). 3) Via port vailable at front of Theta Hz Transducers using (optional) PRKAB60 Adapter. The connections between Power supply Theta Hz Transducer DIP Switch Setting for OUTPUT Type of output (current or voltage signal) has to be set by DIP switch (see Fig.5). 5 6 7 8 connector For programming of DIP switch the user needs to open the transducer housing & set the DIP switch located on PCB to the desired output type Voltage or Current. Output range changing is not possible with DIP switch setting. Transducer Programing cable PRKAB 60 Refer below Fig. 5 for DIP switch setting. The four pole DIP switch is located on the PCB in the Theta Transducer Fig. 4 Software CD ON 234 Version No. :TAHz/205/02
Product Code TT25-00000 Input Range 45-55Hz 6 55-65Hz B 45-65Hz 7 48-52Hz A Input Range 00-500V 8F 60-300U H Power Supply 24-60U F Output O/P O 2 O/P 2O 2 Display Module With Display D Without Display WD Z RS485 Module With RS-485 485 R Without RS-485 Z Prog. Cable With PRKAB 60 PRK C PRKAB 60 Z Version No. :TAHz/205/02