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CONV 4/420/A
CONV 8/420/A

INSTRUCTION MANUAL

TECSYSTEM S.r.l.

20094 Corsico (MI)

CONV 4/420/A - CONV 8/420/A

TECSYSTEM S.r.l ®

R. 2.2 07/09/12

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Summary of Contents for CONV 4/420/A

Page 1: ...CONV 4 420 A CONV 8 420 A INSTRUCTION MANUAL TECSYSTEM S r l 20094 Corsico MI CONV 4 420 A CONV 8 420 A TECSYSTEM S r l R 2 2 07 09 12 ...

Page 2: ...nals referred to the 4 meter channels CONV 8 420 A has been designed for connection to NT538 monitoring device in order to take 8 4 20mA current signals Opto insulated serial connection between NTXXX and module To each NT935 NT538 monitoring device is possible to connect many add on module For instance it will be possible to have an optioned monitoring device with 4 20 mA outputs relays bank for e...

Page 3: ...TESTS AND PERFORMANCES Assembling in accordance with CE rules Protection against electrical noises CEI EN50081 2 50082 2 Dielectric strength 2500 Vca for 1 min ute between serial input and 4 20mA outputs and between serial input and supply Current temperature range 4 20mA 0 240 C 4 20mA 0 200 C option 4 20mA 40 200 C option Accuracy 1 full scale value Ambient operating temperature 20 C to 60 C Hum...

Page 4: ... DEVICE To connect CONV 4 420 A module to NT935 monitoring device or CONV 8 420 A module to NT538 monitoring device it is necessary to use a 2 wire shielded cable with 0 5mm2 section Serial cable must be placed the farthest possible from power lines and shielding must be one sided grounded Yellow led RS FAULT is fixed on in case serial communication line should be cut out or wrongly connected Cont...

Page 5: ...signal is referred to 0 240 C range with an accuracy of 1 compared to full scale value It is possible to ask for a special calibration referred to a 0 200 C range For 0 240 range current temperature relation is the following Iout T 15 4 T temperature in C Example If T 100 C Iout 100 15 4 10 67 mA 0 2 mA For 0 200 range relation is Iout T 12 5 4 T temperature in C For 40 200 range the relation is I...

Page 6: ...6 CONV 4 420 A CONV 8 420 A TECSYSTEM S r l MODULE CONV 4 420 A MODULE CONV 8 420 A ...

Page 7: ...LINE 62 61 60 63 GND RX RX GND TX TX 62 63 GND RX RX NT935 NT538 CONV 4 420 A CONV 8 420 A 24VAC DC SUPPLY 4 20 mA OUTPUTS Only for CONV 8 420 A CONV 4 420 A AND CONV 8 420 A ELECTRICAL CONNECTIONS Load 1 Load 2 Load 3 Load 4 Load 5 Load 6 Load 7 Load 8 ...

Page 8: ...components defects The warranty is invalid if the Product proves tampered modified incorrectly connected because voltages outside the limits non compliance with the technical data for use and assembly as described in this instruction manual Any action about warranty is always at our factory in Corsico MI Italy as stated by the General Conditions of Sale Tecsystem srl RAEE This SYMBOL shown on the ...

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