TECSYSTEM T-154 Instruction Manual
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Summary of Contents for TECSYSTEM T-154
- Page 1 TECSYSTEM S.r.l ® INSTRUCTION MANUAL T-154 0-240°C TECSYSTEM S.r.l. Via Cristoforo Colombo, 5 20094 Corsico (MI) Italy Tel. +39 - 02 – 4581861 Fax: +39 - 02 – 48600783 http://www.tecsystem.it R.1 15/01/02 T-154 0-240°C protection relays...
- Page 2 TECSYSTEM S.r.l ® 220VAC-24VAC PT-73 FIG.2 T-154 T-154 possible configuration of ALARM and FAULT re- lays parallel connection 10 11 Fig.3 T-154 0-240°C protection relays...
- Page 3 Data storage: 10 years minimum ning • • Digital linearity of sensors signal Maximum temperatures and alarms stor- • Self-diagnostic circuit DIMENSIONS • 96x96 mm-DIN43700 – depth 140mm (with rear terminals) • panel cutout 92x92 mm T-154 0-240°C protection relays...
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Page 4: Power Supply
Fasten firmly the unit by the fixing blocks included with each unit. 3) POWER SUPPLY The T-154 unit has a universal power supply. It can be supplied with 24 to 240 Vac or dc without respect to polarities. The ground cable must be fixed to terminal # 41. - Page 5 All units of the “T” series have the sensors linearization with a max error of 1% v.f.s.. TECSYSTEM has realised a special cable for the measure signal transport with all the protection requirements in accordance with CEI Norms: mod. CT-ES...
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Page 6: Cooling-Fan Control
TECSYSTEM S.r.l ® 9) COOLING-FAN CONTROL The T-154 unit, if suitably programmed, can control the ON-OFF of the transformer fans according to the set temperature values. The fans of the machine can be controlled in two different ways: • using the temperatures surveyed by the sensors on the three columns Channel 1.2.3... -
Page 7: Important Notice
LED’s illuminate. 16) IMPORTANT NOTICE Before conducting the insulation test, disconnect the power supply to the unit to avoid damage. T-154 0-240°C protection relays... - Page 8 PRG appears on display Prg NO = program cannot be set up Prg YES or no changed Programming is completed. The unit will perform the light test. PRG/SET Press ENT to return to normal operating mode. T-154 0-240°C protection relays...
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Page 9: Warranty
In accordance with CEI 20.35 IEC 332.1 Max. working temperature: 105°C Conformation : 4 terns of the numbered conductors (1-1-1..4-4-4) RRW twisted and coloured conductors Shield cu/stg PVC Antiflame protecting covering External diameter 9.0 mm Skeins of 100 m T-154 0-240°C protection relays... -
Page 10: Troubleshooting
Reconnect to a stable source of power. Return if unit does not respond Sudden activation of the trip relay with Sensor defective (Fcd). normal operating temperature. Replace the sensor. One channel caused the occurrence. T-154 0-240°C protection relays... -
Page 11: Relays Connection
Pt100 SENSORS CONNECTION CH 1 CH 2 CH 3 CH 4 13 14 15 16 17 18 19 20 21 22 23 24 RELAYS CONNECTION 10 11 ALARM TRIP FAULT Pt100 WHITE POWER SUPPLY 24-240 VAC-VDC T-154 0-240°C protection relays... - Page 12 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 (for temperature monitoring units) Software test Burn-in minimum 24h Date of shipment: T-154 0-240°C protection relays...
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