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1. INSTALLATION GUIDELINES 

The device is designed so as to ensure an appropriate level of immunity to most interferences that may occur in 
industrial environments. In environments of unknown level of interferences, it is recommended to implement the 
following measures so as to prevent potential interference with the operation of the device: 

 

use shielded sensor, and signal cables, whereby the earthing of the shield should be single-point and located 
as close to the device as possible; 

 

avoid running measurement (signal) cables in the direct vicinity of and parallel to power and supply cables; 

 

it is recommended to use twisted pair signal cables; 

 

in the case of sensing resistors in 3-wire connections, use identical wires; 

 

avoid proximity of remotely controlled devices, electromagnetic meters, high power loads, loads with phase 
or group power control, and other devices that cause high impulse disturbances; 

 

ground or zero metal rails on which rail-mounted devices are installed. 

 

Make sure to remove the protective film from the LCD display before the first use of the device. 
 
 

2. GENERAL CHARACTERISTICS OF THE RECORDER 

 

recording of data from the measurement input and the internal temperature sensor; 

 

1 universal measurement input (thermoresistance, thermocouple, and analog) and integrated digital 
temperature sensor; 

 

data recording in a standard text file located in the internal memory of the recorder or on an SD/MMC card in 
the FAT system, with the possibility to read through the USB interface; 

 

portable housing suitable for wall installation; 

 

battery power supply with the possibility that the user changes the battery; 

 

LCD display that shows the measured values, messages, and errors; 

 

long operation time with a new battery (up to 5 years, depending on the recording interval, the presence of 
an SD card, the operating temperature of the device, and the mode of operation of the display); 

 

possibility to transfer archived and configuration data on an SD card; 

 

internal real time clock with a battery backup power supply; 

 

compensation of line resistance for resistance sensors (automatic or permanent); 

 

compensation of thermocouple cold tip temperature (automatic or permanent); 

 

free software included that enables configuration of the parameters of the device and presentation of the 
recorded results in a graphic form or as text; possibility to update from a website; 

 

high, low, within band, and outside of band alarm; signaling with an LED; 

 

programmable type of input, range of indications, recording interval, start and end of recording, and other 
configuration parameters, such as zero and sensitivity calibration, SD/MMC card options, LCD display options, 
and identification number (ID); 

 

possibility to prevent unauthorized change of the recorder’s parameters from the SD/MMC card and transfer 
of archived data from the internal memory onto an SD/MMC card (authorization of the card or free access is 
required); 

 

parameter configuration methods: 

 

through a USB outlet and software (Windows Vista/7/8/10); 

 

from a configuration file recorded on an SD/MMC card; 

 

a checksum that enables detecting unauthorized modifications of the archive; 

 

possibility to differentiate archives from many recorders of the same type by assigning individual 
identification (ID) numbers; 

 

recording of data until the memory is full, full memory signalization; 

 

possibility to update the recorder’s software; 

 

high temperature stability of measurements, accuracy, and immunity to interferences; 

Summary of Contents for AR234

Page 1: ...USER INSTRUCTION DATA RECORDER AR234 Version 1 0 5 2016 07 08 ...

Page 2: ...NAND THE ELECTRICAL CONNECTIONS 6 7 CONNECTING TOA COMPUTERAND INSTALLATION OF DRIVERS 6 8 INSTALLATION OF SOFTWARE 7 9 SETTING OF THE CONFIGURATION PARAMETERS 7 9 1 TIMEAND DATE 9 9 2 RECORDING OPTIONS 9 9 3 CONFIGURATION OF THE MEASUREMENT INPUT 9 9 4 ACCESSAND IDENTIFICATION OPTIONS 10 9 5 DISPLAY OPTIONS 11 9 6 CONFIGURATION OF THEALARM OUTPUT 11 10 USEAND FUNCTIONS OF THE SD MMC CARD 12 11 VI...

Page 3: ...ttery LCD display that shows the measured values messages and errors long operation time with a new battery up to 5 years depending on the recording interval the presence of an SD card the operating temperature of the device and the mode of operation of the display possibility to transfer archived and configuration data on an SD card internal real time clock with a battery backup power supply comp...

Page 4: ...omputer 2 m long a CD with the drivers and the software Windows XP Vista 7 8 10 a user instruction a warranty card 4 TECHNICAL DATA A universal input programmable measurement range Pt100 RTD 3 or 2 wire 200 850 C Ni100 RTD 3 or 2 wire 50 170 C thermocouple J 40 800 C thermocouple K 40 1200 C thermocouple S 40 1600 C thermocouple B 300 1800 C thermocouple R 40 1600 C thermocouple T 25 350 C thermoc...

Page 5: ...ABS UL94 V0 white Protection rating IP20 no protection against ingress of water and condensation Enclosure dimensions 80 x 80 x 25 mm Operating position any Weight approx 100 g with a battery Electromagnetic compatibility EMC immunity according to the PN EN 61000 6 2 2002 U standard emissivity according to the PN EN 61000 6 3 2002 U standard 1 operation time depends on the measurement period the p...

Page 6: ...indows XP Vista 7 8 10 system detects the recorder named APAR USB DEVICE and demands installation of drivers In the find new device wizard manually indicate the location of the drivers on a CD ROM the DRIVERS catalog In the Windows XP system the installation procedure is the following 1 Choose the option No not this time and press the Continue button 2 Choose Install from a list or a specific loca...

Page 7: ...bility to print input data is uploaded one time from a csv text file created in the internal memory in the recorder or on an SD MMC card chapter 11 The latest versions of the aforementioned programs are also available at the website www apar pl The detailed descriptions of the aforementioned applications can be found in the installation folders 9 SETTING OF THE CONFIGURATION PARAMETERS All the con...

Page 8: ... memory to save archive files to record data CONFIGURATION OF THE MEASUREMENT INPUT chapter 9 3 5 inp type of measurement input 6 rrtd total resistance of leads for 2 wire RTD sensors and 700 Ω 7 cjte temperature of cold thermocouple tips 8 dot position of the point resolution 9 rbot bottom of the indication range start of the scale for 0 mA 4 mA 0 V 0 mV and 0 Ω 10 rtop top of the indication rang...

Page 9: ...9 59 2008 06 01 00 00 00 2 Stop recording end time 1 date 01 06 2008 31 12 2099 time 00 00 00 23 59 59 2008 06 01 00 00 00 3 MPer 2 data recording interval 10 s 24 hrs increment 10 s 10 s 4 SDest the memory where the archive files csv are to be recorded 3 internal The csv files are created only in the internal memory auto automatic selection auto archive files csv are created only on an SD MMC car...

Page 10: ... zero offset 50 0 50 0 C or 500 500 units 2 0 0 C 12 calG calibration of the inclination sensitivity gain 85 0 115 0 100 0 Notes 1 in the case of 3 wire sensors there is automatic line resistance compensation and parameter 6 rrtd must be equal to 0 00 Ω 2 applies to analog inputs mA V mV Ω 9 4 ACCESS AND IDENTIFICATION OPTIONS Table 9 4 Configuration parameters concerning the access and identifica...

Page 11: ...guration parameters Parameter Range of variability of the parameter and description Default settings 17 LCDmod 1 display operation mode economy or continuous econom 18 LCDupd 1 interval of display update in the continuous mode 10 s 24 hrs 10 s increment 2 minutes 19 LCDch value to be displayed measurement and internal temperature measurement and int temp measurement only 9 6 CONFIGURATION OF THEAL...

Page 12: ...ith off line configuration consequently an appropriate cfg file must be present or absent when parameter 15 Prot off so as to avoid undesirable reconfiguration of the recorder in order to extend the operation of the battery it is recommended to use SD MMC cards of reputable brands e g SanDisk Kingston or GoodRam formatted in the FAT16 file system in the case of cards larger than 2 GB there is a ri...

Page 13: ...fferent than the one that is set in the configuration chapter 9 3 parameter 5 inp b other elements indicated by the LED s on the side of the housing and on the LCD display LED Description of message READ WRITE writing to reading from the internal memory or the SD MMC card also during recording of a measurement recording is active a short flash every 10 seconds STATUS transmission through the virtu...

Page 14: ...ass memory is supported internal memory or the SD MMC card and during operation of the ARSOFT CFG WZ1 software keep a copy of the current configuration file AR234 cfg in external memory SD MMC card computer disk etc for the purpose of archiving and future off line configuration If the recorder does not respond the battery can be taken out for a short time and its charging level can be checked if t...

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