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25 

  NT935 WS

 

 

 

 
 
    
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

OPTIONS key   

Pressing the 

OPTIONS

 key accesses the options screen. On this page it is possible to: set the date and time in the Access 

Point  mode,  select  the  sampling  interval,  customise  the  labels  (labels),  station  and  channels  and  set  the  username  and 
password useful to access the web server.    

 

 

 

 

 

 

Date and time setting in  
Access point mode 

Selection of sampling range 
 every (5-10-15-20-30-60) minutes  

       Events 

Include FAN ON/OFF events 

Include TRIP temperature reached events 

 

Labels 

 

 

Station Name label 

10 

Channel 5 label (only NT538 WS) 

Label channel 1 

11 

Channel 6 label (only NT538 WS) 

Label channel 2 

12 

Channel 7 label (only NT538 WS) 

Label channel 3 

13 

Channel 8 label (only NT538 WS) 

Label channel 4 

 

 

Web Access Credentials (setting of Username and Password for Web Server access) 

14 

Username  

15 

Password (SHOW for password 
verification) 

 

 

After entering the 

PIN CODE

, default 00000, Press 

SAVE

 to save the set values. A 

POP UP

 window will confirm the correct 

saving of data.  

 

Press 

BACK

 to return to the previous screen. 

 

(*) Note: PIN CODE settings and operation at page 28. 
 
 

 

 

Selection 

Duration in days/months 

Selection 

Duration in days/months 

5 min. 

91 days / 3 months 

20 min. 

365 days / 12 months 

10 min. 

182 days / 6 months 

30 min. 

547 days / 18 months 

15 min. 

273 days / 9 months 

60 min. 

1095 days / 36 months 

 



10 
11 

12 
13 

Timing table 

The Web Access Credentials setting  

It is used to set 

username

 and a 

password.  

Upon each 

log  in to  the  web  server,  a  POP-UP  credential  window 
will appear.   

Set  data/time  (AP  mode)

  allows  the  user  to  manually 

set  the  date  and  time  in  AP  mode.  This  information  is 
essential for correct operation of the control unit.  

Temperature Sampling Interval.  

The  sampling  interval  represents  the  waiting  time 
between one recording and the next. In the 

timing table

below,  for  each  selection,  the  number  of  days/months 
that  the  NT935  WS  device  is  able  to  memorise  is 
represented.  Once  the  indicated  value  has  been 
exceeded, the data will be overwritten and therefore no 
longer available.

      

Labels  

The  labels  are  used  to  customise,  as  desired, 
identification  of  the  control  unit  and  of  the  individual 
channel.   

Event log 

Flag enabling logging events FAN register ON / OFF. 
Report enabling registration of TRIP register event upon 
reaching the TRIP threshold.  

14 
15 

Содержание NT935 WS

Страница 1: ...ith the ISO9001 certified quality system http www tecsystem it R 1 3 26 11 20 Translations of the original instructions INSTRUCTION MANUAL NT935 WS TECSYSTEM S r l 20094 Corsico MI Tel 39 024581861 Fa...

Страница 2: ...35 WS PROGRAMMING NOTES 14 TEMPERATURE SENSORS 15 MEASUREMENT SIGNAL TRANSFER TEMPERATURE SENSOR DIAGNOSTICS 16 VOTING FUNCTION PROGRAMMED DATA DIAGNOSTICS TEMPERATURE DIAGNOSTICS COOLING FAN CONTROL...

Страница 3: ...2 TECSYSTEM WEB SERVER 21 WEB SERVER MANAGEMENT BAR 22 HOME SCREEN SETTINGS SCREEN 23 NETWORK SETTINGS 24 OPTIONS 25 GRAPHICS SCREEN 26 EVENTS SCREEN 27 GRAPHIC VIEW NOTES 28 EXPORT NOTES CSV FILE PIN...

Страница 4: ...netrates the control unit disconnect immediately and contact technical service CLEANING Disconnect the power cable before cleaning the control unit using a dry cloth without any solvent or detergent a...

Страница 5: ...orque 0 5Nm 1 relay terminal 12 poles pitch 5 Code 2PL0361 Screw tightening torque 0 5Nm 1 Pt100 sensors terminal 12 poles pitch 3 81 Code 2PL0420 Screws tightening torque 0 25Nm 1 external Wi Fi SMA...

Страница 6: ...s FAN 1 and FAN 2 SPST Output relays with 10A 250Vca res COS 1 contacts Wi Fi Connection protocol 802 11 b g n frequency 2 4 GHz with removable external antenna Max 100m in open field DIMENSIONS 100 x...

Страница 7: ...l 4 2 ON OFF thresholds for FAN 1 and FAN 2 Sensor diagnostics Fcc Foc Fcd Data memory diagnostics Ech Access to programming through front keyboard Automatic exit from programming display and and test...

Страница 8: ...LED 5 FAULT red LED 16 3 digit channel display 6 FAN 1 yellow LED 17 T max mode selection red LED 7 FAN 2 yellow LED 18 Man mode selection yellow LED 8 Display mode selection key 19 Auto mode selecti...

Страница 9: ...und in the measurement circuit The temperature values displayed might be incorrect Return the control unit to TECSYSTEM for repairs 4 Pt Err This message appears when it is detected that one or more P...

Страница 10: ...ly after suitably fixing the device 1 Control unit 2 Panel hole dimensions 0 8 mm tolerance 3 Identification label 1 Control unit 3 Fixing screw 2 Fixing blocks 4 Cross head screwdriver 1X100mm MOUNTI...

Страница 11: ...point key 2 Power supply 85 260Vac dc 50 60Hz 5 Antenna and Wi Fi connector 3 Relays FAN2 FAN1 ALARM TRIP FAULT 1MN0095 REV 0 Output relay with 10A 250Vac res COS 1 contacts COS 1 STOP SYSTEM ALARM C...

Страница 12: ...FAULT contact programmed in failsafe mode default YES opens 11 12 when the equipment is supplied only if the unit detects no fault on switching on and stays in this condition until one of the followi...

Страница 13: ...INT If INT is selected read function notes page 17 8 CH4 is displayed CH4 enabling 9 Select YES or NO with YES CH4 is enabled with NO CH4 is disabled 10 The ALARM threshold for CH4 is displayed the Al...

Страница 14: ...ect YES or NO Default YES 36 END is displayed End of programming 37 Press ENT to save the set data and exit programming Err incorrect programming of the LED values note 6 38 Return to step 1 PROGRAMMI...

Страница 15: ...mm 4 The cable screening must be grounded only with a termination preferably on the unit side 5 The sensors signal transfer cable must not be near electrical cables either low or medium high voltage 6...

Страница 16: ...emperature values recorded on the monitored CH1 CH2 CH3 channels and enables the switching of the TRIP disconnect contact only if the TRIP threshold has been exceeded on at least two channels over the...

Страница 17: ...ration and their control apparatus periodically By setting NO this function is inhibited To enable the HFN function read the programming section on pages 13 14 INTELLIFAN FUNCTION What it is used for...

Страница 18: ...imits are reached preset temperature or for device s power supply lack FAULT Setting YES Fail safe the contact 11 12 is positioned as normally open switches closed when a fault condition is identified...

Страница 19: ...signal 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 leadin...

Страница 20: ...l network key TECSYSTEM in the network key window repeat the operation in the network key confirmation window Click on CONNECT Once the connection is established your device will indicate Connected TE...

Страница 21: ...ice will follow a chronological order but will not have the date time data available Accessing the Options page it will be possible to set the date time data manually see page 24 NOTE in the Access po...

Страница 22: ...or fault indications activation of the F1 F2 ALARM TRIP alarms WEB SERVER MANAGEMENT BAR The web manager management bar allows the user to identify the cabin and to select the various screens The foll...

Страница 23: ...g of the NT935 WS control unit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 As for the panel programming also for programming through WEB SERVER it is necessary to follow these rules AL ALARM TRIP FAN FAN OFF...

Страница 24: ...erification 4 Subnet mask 7 Server NTP address automatic time and date update 1 Selection ACCESS POINT mode settings 8 Access Point SSID default TECSYSTEM network name modification 9 Password default...

Страница 25: ...IN CODE settings and operation at page 28 Selection Duration in days months Selection Duration in days months 5 min 91 days 3 months 20 min 365 days 12 months 10 min 182 days 6 months 30 min 547 days...

Страница 26: ...5 View key 3 Data availability DA yy mm dd Time hh mm ss 6 Export key VIEW button Pressing the VIEW button will update the chart according to the dates selected FROM TO FROM box It allows the user to...

Страница 27: ...time clock set to last saved Reset date and time automatic from the last saving W02 Real time clock manually set Manual date and time setting W03 diagnostic button pressed the access point key has be...

Страница 28: ...nce universal coordinated time Following the exporting of the CSV file recorded TEMPERATURE VALUE the last 300 recorded points will be contained in the file if there are less than 300 points in memory...

Страница 29: ...s wrong Contact the TECSYSTEM Technical Department Sudden trip of the main switch The temperature is on standard levels Just one channel has caused the trip Check the temperatures recorded in T MAX ch...

Страница 30: ...CONTACTS The product NT935 4 WS has born as a technical evolution of the NT935 WS model it maintains the main features of the NT935 WS increasing its programming flexibility 1 The 4 channels CH1 CH2 C...

Страница 31: ...MASS OF THE EQUIPMENT 0 45 Kg INPUT SUPPLY 100 240 Vac Vdc 10 50 60 Hz 7 5VA max PROTECTION External switch or circuit breaker OUTPUTS RELAYS 5 relay output 10A 250Vac res COS 1 PORT Wifi Suitable for...

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