FTR860 manual.indd
Contents
1. The reading is in Celsius e mA Current input 0 25 mA The reading is in milliamperes The appropriate jumper inside the case has to be closed Wires In1 In2 RTD connection method Only visible when RTD or Ohm input is selected 2 two wire connection 3 three wire connection e4 four wire connection RO In1 In2 The nominal resistance of a RTD With Pt and Ni sensors this is the resistance at 0 C With Pt100 set RO 100 With Cu the nominal resistance is given at 25 C This setting is not visible on other than RTD inputs If the real resistance of the sensor at the nominal temperature is known it can be fed here in order to cancel the sensor error Pts In1 In2 Number of scaling points The scaling means converting the reading to represent some other engineering reading e 0 No scaling The reading equals measured reading aa Fe One point offset correction The reading corresponding to Mea is scaled to be Sca1 when displayed using appropriate offset value 2 Two point scaling Readings from Mea1 to Mea2 are scaled to be Sca1 to Sca2 Any values can be used these have not to be the end points FTR860 User Manual Mea1 Sca1 Mea2 and Sca2 In1 In2 Scaling points Visibility of these settings depends on the Pts setting Unscaled reading Mea1 is converted to Sca1 and Mea2 to Sca2 Example Pressure transmitter sends 4 20 mA for pressures 0 6 bar Pts 2 Mea1 4 mA Sca1 0 bar Mea22. 20 mA Sca2 6 bar These scaling points can be conveniently used to calibrate a sensor transmitter pair in a thermal bath First set the scaling off by setting Pts 0 Apply one or two known temperatures to the sensor and write down the displayed and the real temperatures Then set Pts to 1 or 2 depending on the number of calibration points and write the first reading in Mea and the real temperature in Sca1 And the same with Mea2 and Sca2 if two points are to be calibrated Connections Analog input signals are connected to connectors Input 1 and Input 2 two wire connection If the sensor has two wires connect them to terminals 2 and 4 three wire connection If the sensor has two wires the same color connect these wires in terminals 3 and 4 and the third wire in terminal 2 four wire connection Four wire connection Connect the other end of the sensor in terminals 1 and 2 and the other in terminals 3 and 4 FTR860 User Manual Thermocouple inputs J A J A Connect the positive wire K type green or brown of the thermocouple to terminal 3 and the negative white or blue to terminal 4 Voltage inputs Connect the positive wire to terminal 3 and the negative wire to terminal 4 rrent in Connect the positive wire to terminal 3 and the negative wire to terminal 4 J Open Closed mA jumpers FTR860 User Manual Dialis input The digital inp
3. Transmitter power class 8 10 mW EN 301 489 EN 300 339 mm 30 1 180 mm i 60 mm 13 FTR860 User Manual 14
4. User manual Firmware version V1 0 10 4 2007 FT R860 2 channel wireless transmitter with temperature sensor mV mA and digital inputs Nokeval FTR860 User Manual INTRODUCTION FTR860 is a two channel transmitter for temperature sensor mV and mA inputs housed in a field enclosure Measured values are transmitted using license free 433 92 MHz frequency band ISM so it can be freely used for example almost in whole Europe The transmitter has a whip antenna for radio coverage up to 200 meters in free space The transmission interval is programmable and can be set from four seconds to over four minutes FTR860 has also two digital inputs 0 5 VDC or 0 230 VAC The device supports both 24 VDC and 230 VAC supply voltages WER CUNY RR NR TRE rnm pp 2 i AAT A een NOPUTETHTETOER san 3 SUDDIY o RTT CTI ee ee ee e a Ei 4 SITO ses eS ANER goes occ eta dato C cade CIA a E ME 5 NEUSS E 6 Radiatranemiller en a dowd pu RR UR pui a Cu uoa tei a o epa a Eat odd a AEN 10 indicator feet X 12 Specification S an ee n eu idu m ERE 13 Manufacturer Nokeval Oy Tel 358 3 3424800 Yritt j katu 12 Fax 358 3 3422066 FI 37100 Nokia Web www nokeval com Finland Technical support support nokeval com FTR860 User Manual INSTALLING Connections For more detailed information about connections see chapters Supply Voltage and Inputs 3PIN POL progr
5. al between consecutive radio transmissions The Gate2 valid range for the parameter is 4 254 seconds Period There is a small random variation in the transmission interval max 5 3 from the defined value The purpose of this variation is to prevent continuous collisions of data packets send by different devices The maximum number of radio transmitters in a coverage area is limited by radio standards The use of repeaters reduces the maximum number of transmitters because repeaters use the same frequency channel as transmitters The following example table shows the allowed maximum number of FTR860 transmitters in a coverage area 2 channels Transmission n Receiver and Receiver Interval s 1 repeater ae mmn of transmitters 10 FTR860 User Manual 1 channel Transmission Receiver and and BS Receiver Interval s 1 repeater number of transmitters Ee 632 For example if you have transmission interval of 20 seconds and one repeater the maximum number of transmitters is 20 When only one channel is in use the maximum number of transmitters is 53 Gate1 If enabled the measurement data of input channel 1 is not transmitted unless the state of the digital input 1 is On When the state of the digital input 1 changes from Off to On the next finished measurement result is immediately sent The next measurement result is sent after the defined transmission interval if the state of the digital i
6. amming connector Antenna DI1 DI2 1234 4 2830 VDC VAC 20 250 VDC Both channels can be configured 24 250 VAC to any supported input nn ing the antenn The antenna is connected to the BNC connector at the top side of the case The antenna can be either directly connected to the BNC connector of the device or alternatively a 50 ohm coaxial cable RG 58 with BNC connectors can be used to connect the antenna to the device First align the female connector s two guideposts to the male connector s channels Then press the BNC connector in and lock the connector by rotating the male connector s outer ring clockwise If needed the antenna can be removed by rotating the ring counter clockwise and then pulling out the antenna FTR860 User Manual SUPPLY VOLTAGE The device has an universal power supply that supports following voltage ranges e 20 250 VDC 24 250 VAC Device s current consumption is less than 40 mA Connect the supply voltage to terminals 1 and 3 Either polarity will do The connector housing provided with the device must be used when connecting the supply voltage Attention The device contains high voltages also when 24 V supply voltage is used These parts are protected using separate plastic casing that contains no user serviceable parts Do not open this protective casing FTR860 User Manual SETTINGS nnection in Use Mekuwin program or Nokeval 6790 hand held programmer to con
7. ccuracy mV Range Accuracy Thermal drift mA Range Accuracy Thermal drift Case 180 mm x 130 mm x 60 mm WxHxD Antenna 178 mm 8 16 mm SPECIFICATIONS 200 700 C 0 05 rdg 0 25 C 0 02 C C 60 180 C 0 05 rdg 0 25 C 0 02 C C 200 260 C 0 05 rdg 0 25 C 0 02 C C range lin error 400 1700 C 0 3 C 0 2300 C 0 5 0 2300 C 1 100 900 C 0 2 1000 2300 C 2 160 950 C 1 150 1370 C 0 5 150 900 C 0 5 0 1300 C 0 1 0 1700 C 0 5 0 1700 C 0 5 200 400 C 1 0 02 C C ref 25 C 0 05 rdg 0 5 C lin error thermal drift 30 2000 mV 0 05 rdg 0 01 mV 50 ppm C 0 25 mA 0 008 mA 50 ppm C Antenna Connector 50 ohm female BNC connector Standard antenna Quarter wave whip antenna BNC connector Frequency range License free 433 92 MHz subband f according to ERC REC 70 03 Power supply 1 1 Voltage 24 VDC 230 VAC 15 Current consumption max 40 mA Environment Operating temperature 30 60 C Protection class IP65 Confi Connector 3PIN POL programming connector Protocol Nokeval SCL protocol Configuration PC with Mekuwin for Windows 98 XP or 6970 hand held programmer Regulations 1 1 1 1 1 1 EMC directive EMC immunity EN 61326 EMC emissions EN 61326 class B R amp TTE directive EN 300 220 class 3
8. figure the device You can download Mekuwin from Nokeval s web site for free Communication settings for configuration protocol SCL m address 0 LL O Programming connector The device can be programmed using a PC or Nokeval 6790 hand held programmer The device has a 3PIN POL programming connector Use POL 3PIN adaptor to connect a POL RS232 cable DCS772 USB POL converter or 6790 to the device When the programming connector is connected the device sends measurement data about every 1 3 second This feature is ment only for testing purposes When the configuration connection is open no measurement data is sent Menu tr FTR860 menu structure Both input channels have similar submenus FTR860 User Manual INPUTS Settings The configuration menu is divided in several submenus The input settings are in a submenu called Inputs which is further divided in In1 and In2 submenus In1 and In2 submenus are identical Sensor In1 In2 Input range and sensor selection Sensor e Off Channel is not in use Pt Ni Cu Resistance thermometers RTD s The nominal resistance is set in RO see below The reading is in Celsius See also sections Wires and RO e Ohm Resistance inputs The resistor is connected in three wire or four wire connection The reading is in ohms See also section Wires e mV Voltage input 30 2000 mV The reading is in millivolts e TcB TceT Thermocouples
9. nput 1 is still On Gate2 If enabled the measurement data of input channel 2 is not transmitted unless the state of the digital input 2 is On When the state of the digital input 2 changes from Off to On the next finished measurement result is immediately sent The next measurement result is sent after the defined transmission interval if the state of the digital input 2 is still On 11 FTR860 User Manual INDICATOR LIGHTS The device has five indicator lights that show the current state of the system digital inputs radio transmission and power In normal operation these lights are not normally needed but they are very useful when troubleshooting error conditions OK When the system is operating normally this indicator light blinks constantly If the indicator light doesn t blink reset the device by disconnecting power from the device for a moment If this doesn t help the device must be sent for service DI1 This indicator lights when the state of the digital input 1 is On DI2 This indicator lights when the state of the digital input 2 is On RF This indicator light flashes every time a measurement data is sent Power This indicator is always lit when power is applied to the device 12 FTR860 User Manual Input Pt100 Range Accuracy Thermal drift Ni100 Range Accuracy Thermal drift Cu10 Range Accuracy Thermal drift Thermocouples TC dMougzr axc comoou Thermal drift A
10. uts of this device are designed for slow signals and wide voltage range The measurement cycle is approximately 1 3 seconds Connect the digital input 1 to terminals 1 and 2 Respectively digital input 2 is connected to terminals 3 and 4 Either polarity will do The connector housing provided with the device must be used when connecting the digital inputs DI1 DI2 Both direct and alternating voltages can be connected to digital inputs For example 0 5 VDC 0 24 VDC 0 230 VAC Input state is interpret as off if the voltage between the terminals is less than 2 volts and on if the voltage is over 4 volts Maximum allowed voltage difference between the terminals is 330 VDC or 230 VAC The insulation between the digital inputs does not fulfill the requirements set for double insulation or reinforced insulation Therefore no dangerous voltages can be applied to the other digital input if the other is in contact with a user accessible part Digital inputs can also be used as a threshold condition to sending measurement data using radio For more information about this in the chapter Radio transmitter FTR860 User Manual RADIO TRANSMITTER The device sends both the measurement data from both input channels using license free 433 92 MHz frequency range If needed radio transmission of a channel can be disabled by setting channel s sensor type to Off Settings Output submenu Period Period Gate2 Interv
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