DIGITAL TEMPERATURE MONITOR – MASTERTEMP
2
Rev
1.1
MAIN FEATURES
LCD display, readable under any light condition due to backlight with graphic capacity of 128 x 64 pixels;
Display with 5 configurable positions for a fixed indication of the selected parameters;
Event alerts on the display exhibiting alarm name and actuated relay;
Accuracy 0,25% (FS) and decimal indication;
Simultaneous display indication of 5 monitored temperatures (oil, windings and environment);
Temperature measurement range of -50 to 250 ºC (-58 to 482 ºF);
02 compensated input for sensors PT100 - 3 wires
(EN 60751 - DIN 43760)
for measurement of two
temperature points with possibility of differential temperature alarm through auxiliary relay;
03 Current inputs (TRUE RMS) 0-10 A with external CT (Split-core) connected on secondary Bushing CT;
Universal power supply 48 to 265 VDC/VAC;
Digital output RS485
(ANSI/TIA/EIA-485-A)
with protocol
Modbus RTU
and
DNP 3.0
(Level 2) to remote
access for all measured parameters;
Auto Baud Rate 2,400 to 57,600 bps (Automatically detects the communication network speed);
Selectable analog output 0 to 1, 0 to 5, 0 to 10, 0 to 20 or 4 to 20 mA for all measured channels;
USB 2.0 communication front port to data parameterization through UseEasy™ software;
Operation of up to 03 groups of fans or pumps, directly in front keyboard, or remote through serial port;
Winding Temperature calculated based on standards IEC 354-1991, IEEE C 57.91-1995 and NBR 5416-1997;
Consult on display and output serial to the final gradient of temperature for the current load (oil/winding);
Consult on display and output serial to the load percentage of the transformer;
Consult on display and output serial to the transformer primary current (kA);
Consult on display and output serial to the transformer secondary current (A);
Consult on display and output serial to the maximum reached temperatures (oil, windings and environment);
Consult on display and output serial to the occurred failures in the equipment and sensors;
01 contact relay (NO - 6 A potential free) for oil temperature alarm (NC optional);
03 contacts relay (NO - 6 A potential free) for winding temperature alarms (NC optional);
01 contact relay (NO - 6 A potential free) for oil temperature trip (NC optional), with programmable timing;
03 contacts relay (NO - 6 A potential free) for winding temperature trip (NC optional), with programmable
timing;
01 contact relay (NC - 6 A potential free) for signaling monitor failure (wacthdog);
02 Auxiliary contacts relay (NO - 6 A potential free) programmable to be used as cooling fans operators,
alarms, trips or alarm to differential of temperature;
02 Contacts relay (with logical reverse - 6 A potential free) for operation of fans or pumps, with
programmable hysteresis and temporized actuation;
High mechanical resistance enclosure, built entirely in aluminum
DIN IEC 61554;
Size reduced 3,8 x 3,8 x 3,8 INCH (98 x 98 x 98 mm);
Easy parameterization and utilization;
02 years warranty;
Memory card MICROSD 2Gb input to data logger and data storage;
Internal clock powered with super-capacitor (maintenance free);
*Programmable Intelligent Exercise fan function;
*Logging of fans operation (hour meter);
*Pre-cooling function, the fans work through load percentage;
*Load percentage trip, the transformer is shutdown in case of high load percentage;
*Configurable registers map;
*Calculation for aging of transformer windings.
*special functions, supplied when requested.
Summary of Contents for MASTERTEMP
Page 1: ...DIGITAL TEMPERATURE MONITOR MASTERTEMP 1 Instructions Manual Manual de Instruções ...
Page 7: ...DIGITAL TEMPERATURE MONITOR MASTERTEMP 4 APPLICATION EXAMPLE ...
Page 8: ...DIGITAL TEMPERATURE MONITOR MASTERTEMP 5 CATALOG CODE DIMENSION ...
Page 9: ...DIGITAL TEMPERATURE MONITOR MASTERTEMP 6 WIRING DIAGRAM MASTERTEMP ...
Page 45: ...MONITOR DIGITAL TEMPERATURE MASTERTEMP 42 EXEMPLO DE APLICAÇÃO ...
Page 46: ...MONITOR DIGITAL TEMPERATURE MASTERTEMP 43 CÓDIGO DE CATÁLOGO DIMENSÕES ...
Page 47: ...MONITOR DIGITAL TEMPERATURE MASTERTEMP 44 DIAGRAMAS DE LIGAÇÃO MASTERTEMP ...
