CTT8 - Sundrive
Contents
1. Pt 100 probe disconnected indicating OP E message on display e short circuit of probe indicating SHR message on display At the moment of control unit switching on the Fault autodiagnostic relay switches over and keep on excited condition until some anomalies described before arise An anomaly condition can be signalled also by flashing FAULT led OUTPUT RELAY STATUS RELAY INACTIVE STATUS ACTIVATED STATUS UNPOWERED STATUS ALARM ALARM OFF CLOSED 29 30 ALARM ON CLOSED 29 31 CLOSED 29 30 TRIP TRIP OFF CLOSED 32 33 TRIP ON CLOSED 32 34 CLOSED 32 33 FAULT FAULT OFF CLOSED 38 40 FAULT ON CLOSED 38 39 CLOSED 38 39 VISUALIZATION OF MAXIMUM VALUES OF MEASUREMENT TEMPERATURE Pushing Tmax button it s displayed through flashing led the maximum temperature values reached for 8 seconds after that time the unit control returns to display measured temperature values With the pushbotton lt and is possible to check all the maximum temperature reachead on any measure channels For to reset maximum temperature values we have to display the Tmax values and successfully to push at the same time T max and lt buttons VISUALIZATION OF HIGHER TEMPERATURES CHANNELS Push HOT button for some seconds until the turn on Hot led On display placed on the left hand of the frontal panel will be displayed the temperature of measurement warmer channel between the CH1 CH4 inputs 2 On display placed on the right one of2. The pushing button ENTER move automatically the SETUP to the next value on function Selection of the HOLD function When we are in menu SETUP the first function to set is that one relative to the HOLD function this SETUP step is signalled by the LED HOLD for to set this function use and buttons ON operating function OFF no operating function The HOLD function permits to keep on memorizing the alarm condition that can be reset only manually by RESET button when the temperatures are lower to the set thresholds Push ENTER button to confirm the operation Alarm and trip set up The SETUP step concerning alarm threshold starts from the set of channel n 1 and its led placed on measurement display turn on With the channel 1 led lights in the same time the turn on ALARM led which it s always relative to channel 1 that shows SET step of alarm threshold Set range from 5 C to trip threshold value 1 C ENTER to confirm Successfully the TRIP led lights to indicate the set step of channel 1 TRIP threshold Set range from 1 C alarm threshold to 200 C ENTER to confirm Repeat all the operations for the successive measurement channels Node identifier for MODBUS network This setting is meaningless for the CTT without serial interface installed On display T1 T2 T3 T4 will be displayed d on display T5 T6 T7 T8 will be displayed the node identifier value Setting value range is from O to 255 For to set this function use
3. the frontal panel will be displayed the temperature of measurement warmer channel between CH5 CH8 inputs To return on standard measurement display modalities keep on pushing Hot button for some seconds until the turn off light indicator INDICATORS LIGHT TEST Push at the same time buttons and and all the light indicators will start to flash for some seconds MEASUREMENT TEMPERATURES DISPLAY On display placed on the left hand of the frontal panel the temperatures of CH1 CH4 channels will be displayed between 0 C 200 C range On display placed on the right one of the frontal panel the temperatures of CH4 CH8 channels will be displayed between 0 C 200 C range To use the and buttons to change the visualization measurement channel EXCLUDING INPUTS NOT USED If one or more inputs are unused simply connect a low power resistor value from 100 to 120 ohm as in example on the inputs channels to be disabled Disabling input Ch1 Shi 100 120 ohm Apply proper connection Il 0 25W resistor for others inputs 1 2 3 TECHNICAL FEATURES AUXILIARY SUPPLY 20 250 Vac dc or 110 230V 50 60Hz POWER CONSUMPTION max 4 VA MEASUREMENT INPUTS 8 inputs from 2 3 wires RTD Pt100 MEASUREMENT RANGE 0 C 200 C ACCURACY 2 C DISPLAY 2 red led display 3 digit OUTPUT RELAYS 3 relay NC C NO 8A maxPF 1 CONNECTIONS removable terminal boards max 2 5 mmq INSULATION 2500 Vrms 50 Hz per 60 sec withsta
4. and buttons select the right value then confirm with ENTER button SETUP exit Push SET button to exit from SETUP TRIP AND RESET MODALITIES Alarm When value threshold exceed than 1 C after 5 seconds Alarm relay is active and we have the Alarm led channel lights which underlines the exceeded threshold value The alarm condition ri entry with the consequent release relays and relative turn off led it s possible when temperature drops 2 C than set threshold value Trip When value threshold exceed than 1 C after 5 seconds Trip relay is active and we have the turn on Trip led channel which underlines the exceeded threshold value The re entry of TRIP condition it s possible when the temperature drops 2 C than the set threshold value Alarm acknowledgement When Hold function isn t operating it s possible to acknowledge the alarm condition that it s present on measurement inputs When there is an alarm condition alarm relays and led alarm set going Pushing RESET button relay doesn t work while alarm condition led starts flashing If temperature increases until to reach Trip temperature 1 C relay and led will be ri activated If after the acknowledgement temperature drops under the set threshold value the flashing led will be set automatically DIAGNOSTIC The control units CTT is provided with diagnostic function probes The conditions checked on 8 measurement inputs are the following e
5. early visible damage e After serious damage incurred during transport e After lenghty storage in unfavourable conditions CONNECTION THERMOMETRIC SENSOR For the connection of the thermometric sensor RTD PT100 follow the instruction in wiring diagram Attention to not invert the position between the wires with red insulator and white insulator For reduce external noise to use the following indication e use sensor with shielded wires or twisted wires e use sensor with section wires 0 5 mmq minimum e use sensor with silvered or watertight wires ALARM RELAYS Concerning the connections of outputs contacts relays follow the indications enclosed in wiring diagram CTT box Trip and Alarm relays switch when the set thresholds are exceeded Fault relay switches in case of anomaly on PT100 sensors CONTROL UNIT SETUP After the auxiliary supply providing to the control unit on displays will flash the internal software index of device Successfully the control unit start displaying the temperatures monitored on inputs measurement For to enter in SETUP phase push SET button for a few seconds until to the relative SET signalling LED turn on The setting up are in sequence as indicated later on For to exit from SETUP phase without changing the present values push SET button without confirming the modified values with ENTER button The values variation on condition can be effected with lt and gt buttons and stored through the ENTER button
6. een T CONE elettronica srl A 26900 LODI ITALY via S Fereolo 9 C F E P I 08051910159 C C I A A 1199372 Tel 39 0 371 30207 30761 Telefax 32819 E mail contrel contrel it USER MANUAL IM 302 U v 1 2 TEMPERATURE MONITOR DEVICE CTT8 INSTALLATION OPERATOR SAFETY Read carefully the instructions contained in this manual before installing and utilising the instrument The instrument described in this manual in the following manual is intended for use by properly trained staff only SAFETY This instrument was manufactured and tested in compliance with IEC 1010 standards In order to maintain these conditions and to ensure safe operation the personnel must comply with the indications and markings contained in the following manual When the instrument is received before beginning installation check that it s still intact and no damage was incurred during transport Before installing before beginning installation make sure that the operating voltage and mains voltage are compatible with the device instructions The instrument power supply must not be earthed Maintenance and or repair must be carried out only by qualified and authorized personnel If there is ever the suspicious that during the operation phase that safe is no longer possible the instrument must be taken out of service and precautions taken against accidental use Operation is no longer safe when e The instrument no longer functions doesn t work e There is cl
7. n trattate nel presente manuale contattare il nostro servizio di assistenza tecnica Il costruttore declina ogni responsabilit per eventuali danni a cose o persone derivanti da un uso improprio o non consentito degli strumenti eontrel elettronica srl 26900 LODI ITALY Via San Fereolo 9 tel 39 0 371 30207 30761 35386 fax 32819 E mail contrel contrel it
8. nd between inputs outputs and power supply PROTECTION LEVEL IP40 front panel IP20 back side panel CEI EN 60529 OPERATING TEMPERATURE 0 C 50 C humidity max 90 without condensation STORAGE TEMPERATURE 25 C 70 C REFERENCE STANDARDS EMC CEI EN 50081 2 CEI EN 50082 2 safety CEI 41 1 CEI EN 60255 6 HOUSING Self extinguishing thermoplastic housing compliance with UL94 VO Dimensioni Dimension Pome eee 126 92 i 8 8 D a 4 115 gt Schemi d inserzione CTT 8 Wiring diagrams CTT 8 Ingressi Pt 100 A oe aoe Uscite relay Pt 100 input QMOESUDIY Output relay Ch1 Ch2 Ch3 Ch4 20 250 Vea Vcc I ALARM TRIP FAULT id 1 2 3 4115 61 17 8 9 10 11 12 25 26 27 28 31 30 29 34 33 32 37 36 35 40 39 38 CIR a ga Ingressi Pt 100 Pt 100 input Chs Che Ch7 Ch8 I I I I 13 24 35 16 17 18 19 20 21 22 23 24 Uscita seriale RS485 RS232 opzionale Serial output RS485 RS232 options Rw Tx_B TA GND 42 41 43 Uscita analogica 0 20mA 4 20mA opzionale Analog output 0 20mA 4 20 mA options 44 Per eventuali problematiche applicative e funzionali no
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