TECSYSTEM NT935BH-D Instruction Manual Download Page 1

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1MN0189 REV. 0

operates with ISO9001 certified quality system

http://www.tecsystem.it

R. 1.0 10/06/20

“Translations of the original instructions”

ENGLISH

TECSYSTEM S.r.l.

20094 Corsico (MI)

Tel.: +39-024581861

Fax: +39-0248600783

NT935BH

INSTRUCTION MANUAL

Summary of Contents for NT935BH-D

Page 1: ...s with ISO9001 certified quality system http www tecsystem it R 1 0 10 06 20 Translations of the original instructions ENGLISH TECSYSTEM S r l 20094 Corsico MI Tel 39 024581861 Fax 39 0248600783 NT935...

Page 2: ...NG NOTES 15 TEMPERATURE SENSORS MEASUREMENT SIGNAL TRANSFER TEMPERATURE SENSOR DIAGNOSTICS 16 VOTING FUNCTION PROGRAMMED DATA DIAGNOSTICS TEMPERATURE DIAGNOSTICS COOLING FAN CONTROL 17 FANS DIAGNOSTIC...

Page 3: ...TA FRAME 19 DATA PACKET FUNCTION CODE CODE 3 10 CODE 16 10 NOTES FOR REMOTE PROGRAMMING ERROR CODES 20 UNACCEPTABLE DATA ILLEGAL DATA POLLING FREQUENCY MODBUS MAPPING TABLE 21 9 FAILSAFE FUNCTION 26 1...

Page 4: ...e control unit disconnect it immediately and contact technical service CLEANING Disconnect the power cable before cleaning the control unit use a dry cloth to dust it without any solvent or detergents...

Page 5: ...ing torque 0 5Nm 1 Terminal 12 poles pitch 3 81 sensors Pt100 Code 2PL0420 Screw tightening torque 0 25Nm 1 Terminal 4 pitch poles 3 81 for BLDC output Code 2PL0368 Screws tightening torque 0 25Nm 1 T...

Page 6: ...ation management relay SPST FAN 2 Output relays with 10A 250Vac res COS 1 contacts TRBH output FAN1 control bars B1 B2 RS485 output Modbus RTU DIMENSIONS 100x100 mm din43700 prof 131mm including termi...

Page 7: ...te of FAN1 and FAN2 Temperature control from 0 C to 240 C 2 alarm thresholds for channels 1 2 3 2 alarm channels for channel 4 1 activation threshold FAN1 ON TRBH 2 ON OFF thresholds FAN 2 ventilation...

Page 8: ...ication 5 FAULT red LED 16 3 digit channel display 6 FAN 1 TRBH signalling yellow 17 T max mode selection red LED 7 FAN 2 yellow LED 18 Man mode selection yellow LED 8 Display mode selection key 19 Au...

Page 9: ...epairs 4 Pt Err This message appears when it is detected that one or more PT100 sensors are not working correctly FOC FCC and FCD indications in the temperature sensor diagnostics paragraph on page 16...

Page 10: ...ks 1 Control unit 2 Panel hole dimensions 0 8 mm tolerance 3 Identification label 1 Control unit 3 Locking screws 2 Fixing blocks 4 Cross head screwdriver 1X100mm ASSEMBLY 1 1MN0007 REV 0 2 3 1 2 3 4...

Page 11: ...sensors white red red 4 Relay FAN2 2 Power supply 85 260Vac cc 50 60Hz 5 FAN1 BLDC output Control Box connection 3 Relays ALARM TRIP FAULT 6 RS485 output Modbus RTU Pt100 CONNECTION EXAMPLE Note imag...

Page 12: ...one of the methods described below does not monitor heat also the relay will all be banned The fault contact switches and the fault LED flashes Vis Programming display PRG programming Relay test The...

Page 13: ...H4 is enabled with NO the CH4 is disabled 10 The ALARM threshold for CH4 is displayed the Alarm led flashes If CH4 NO jump to step 16 Default NO 11 Set the desired threshold Default 120 C 12 The TRIP...

Page 14: ...FE info on page 26 31 Select YES or NO Default NO 32 FLS TRIP is displayed Blinking TRIP LED 33 Select YES or NO Default NO 34 FLS FAULT is displayed Blinking FAULT LED 35 Select YES or NO Default YES...

Page 15: ...rcuit couples capacitively with the conductors in particular with unscreened cables The effect of this coupling creates a signal that overlaps the signal transmitted by the nearby conductors causing i...

Page 16: ...se alarms generated by installation errors By activating the VOTING YES function the control unit compares the temperature values recorded on the monitored CH1 CH2 CH3 channels and enables the switchi...

Page 17: ...1 C at 230 C range 0 C to 240 C or 1 C 190 C range 40 C to 200 C NOTE fan speed regulation rpm with selections different from B1 3 and B2 3 is managed with reference HOT channel the hottest channel of...

Page 18: ...unication is temporarily deactivated DATA TRANSMISSION ON MODBUS NETWORK The MODBUS INSIDE internal module makes it possible to connect the NT935BH D control unit to an RS485 network with Modbus RTU p...

Page 19: ...ng 00000000 xxxxxxx0 x n d Also in the remote programming phase via ModBus it must be considered that the Alarm thresholds must be lower than the Trip thresholds and that the Fan on thresholds must be...

Page 20: ...Status Value FCD max see table SYSTEM Setting and Status Value Voting max see table SYSTEM Setting and Status Note If the value of Voting is higher than the max value expected for the model in questi...

Page 21: ...channels 2 ASCII R 6 Options see note Options see note R 7 00 Wrong datum received R see tab 8 00 Info various causes R see tab 9 00 Controls W see tab SYSTEM Setting and Status Address LO 10 Data HI...

Page 22: ...s 1 4 Address LO 10 Data HI Data LO Notes 1 Notes 2 R read W write RW read write 25 2 compl sign 2 compl Ch1 temper 10 C 240 C 48 C 200 C R 26 2 compl sign 2 compl Ch1 max temperat 0 C 240 C 0 C 200 C...

Page 23: ...C 240 C 1 C 200 C AL RW 40 2 compl sign 2 compl Ch4 temper trip set point 1 C 240 C 1 C 200 C TRP RW 41 00 00 R 42 00 00 R 43 00 00 R 44 00 00 R 45 00 TRBH _1 speed M1 M6 motors R 46 00 TRBH _1 motors...

Page 24: ...0 Ch4 Setting See Notes CHx RW 61 00 00 R 62 00 00 R 63 00 00 R 64 00 00 R CHANNELS 1 4 Status Address LO 10 Data HI Data LO Notes 1 Notes 2 R read W write RW read write 65 Ch1 story Ch1 status See No...

Page 25: ...n STORY BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 TRIP ALARM FOC FCC RELAY STATUS coil energising status BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 Relay FAULT 1 ON TRIP Relay 1 ON ALARM Re...

Page 26: ...tches closed when a fault condition is identified see paragraph on alarms and ventilation on page 12 Setting NO NO Fail safe the contact 11 12 is positioned as normally closed switches open when a fau...

Page 27: ...al transfer on page 15 Identification of a sensor fault or faulty connection In case of a faulty connection or sensor fault a quick positive or negative variation in temperature might occur leading to...

Page 28: ...eck the connections and the terminal board The temperature shown by one or more channels is wrong Contact the TECSYSTEM Technical Department Sudden trip of the main switch The temperature is on standa...

Page 29: ...pean directive 2012 19 EU on electrical and electronic waste WEEE Any electrical or electronic equipment marked with this symbol must be disposed of separately from normal domestic waste Returning of...

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