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Summary of Contents for TECSYSTEM T538
- Page 2 TECSYSTEM S.r.l ® INSTRUCTION MANUAL T538 T538 Software rel. 3.1 Software rel. 3.1 TECSYSTEM S.r.l. Via Cristoforo Colombo, 5/C 20094 Corsico (MI) tel. +39 - 02 - 48601011 / 4581861 Fax: +39 - 02 – 48600783 http://www.tecsystem.it R.6 17/09/03 T538 protection relays...
- Page 3 Opt. Protection treatment of electronic maximum temperatures storage part number of channels software program- Opt frontal plastic protection DIMENSIONS 96 x96m m -DI N43700-Prof. 150mm 96 x96m m -DI N43700-Prof. 150mm (with rear terminals) panel cutout 92x92mm T538 protection relays...
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Page 4: Power Supply
3) POWER SUPPLY 3) POWER SUPPLY The T538 unit has an Universal Power Supply: it can be supplied indifferently from 24 to The T538 unit has an Universal Power Supply: it can be supplied indifferently from 24 to The T538 unit has an Universal Power Supply: it can be supplied indifferently from 24 to 240 Vac-dc without any respect of the polarities. -
Page 5: Warranty
All the serie “T” units have the sensors linearization with a max error of 0,5% v.f.s.. TECSYSTEM srl has realized a special cable for the measure signal transport with all the protection requirements in accordance with CEI Normes: mod. CT-ES 6) WARRANTY The serie “T”... -
Page 6: Display Mode
It is advisable to carry out regularly the LED test of the unit. For this operation you have to push TEST. If one of the LED does not work, please send us the unit in order to be repaired. T538 protection relays... -
Page 7: Important Notice
13) FAULT 13) FAULT The T538 monitoring unit is provided with a self-diagnostic program with alarm relay and visualization of the kind of fault of the sensors. An additional program allows to distinguish a high temperature signal given by an eventual defective sensor. - Page 8 ENT/ return to step 1 RESET In case exist the option AUX.1 relay, It have to be set the values of FAN OFF and FAN ON, accord- ing to the programming procedure, starting from point 2. T538 protection relays...
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Page 9: Hold Function
TRIP threshold. In this moment the user can exclude again the ALARM, but in this case, it will not appear any other indication as regards ALARM relay. The exclusion system will be automatically disconnected when the temperature falls down the ALARM threshold. T538 protection relays... -
Page 10: Causes And Remedies
Check the sensor resistance by an Ohm meter. Unit with input circuit unrated. Send the unit to TECSYSTEM S.r.l. for reparation. With power supply at 24 Vdc, the unit switches Take off the voltage to the unit and check that the off and , after a tension drop, it doesn’t switch on... -
Page 11: Electrical Connections
Vcc Gnd 60 61 62 60 61 62 70 71 72 73 RS 232 GND TX RX RS 232 GND TX RX RS 485 GND - RS 485 GND - RS 485 GND - OUT 4-20 mA T538 protection relays... - Page 12 TECSYSTEM S.r.l ® T538 TEST DESCRIPTION T538 TEST DESCRIPTION The unit was submitted to the following tests during production: N° Description PC board test Input test Test of relay contacts and outputs Key test Lamp test Calibration at 100 and 200°C (Range 0 - 240°C)
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