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ENGLISH - 3/8

MI001963-E

t

400

800

1000

0

R

 Load (Ω)

15

10

7

20

25

30

Minimum operating voltage U (V

C

)

R

 Load = ((U-7) / 0.023)

4

5

6

1

3

2

OUTPUT

INPUT

1500 V

A

SERIAL TTL

mV INPUT

Input impedance

 
10 M

Ω

RTD /
RESISTOR INPUT

Energizing current
Sensor fault detection
Maximum cable resistance
Influence of cable resistance

 
 
375 

μ

A

Yes, may be disabled
25 Ω
0.0033 Ω/Ω

OTHER FEATURES

Sampling time
Response time (10 

 90%)

Network freq. rejection
Error caused by EMI

 
300 ms
< 620 ms
> 60 dB at 50 and 60 Hz
< 0.5% (EMI = 

ElectroMagnetic Interference)

STANDARDS

EN61000-6-4

 Electromagnetic emission, industrial environment

EN61000-6-2

 Electromagnetic immunity,  industrial environment

EN61010-1

    Safety

INSULATION

ENVIRONMENTAL COND.

Temperature
Humidity
Altitude
Storage temperature
Protection degree

4

8

- 0

+  5°C.

° – 

30% – 90% not condensing.

Up to 2000 m. a.s.l.

° – 

- 0

+  5°C.

4

10

IP20.

CONNECTIONS

2

6 spring terminals for 0.2 to 2.5 mm  conductor section, suggested wire 

stripping 8 mm, 1 Serial programming connector TTL with 4 pin.

LOAD RESISTANCE / MINIMUM OPERATING VOLTAGE DIAGRAM

TECHNICAL SPECIFICATIONS

Summary of Contents for T121

Page 1: ...d technologies described in it This informations may be modified or integrated for technical and or commercial requirements SENECA s r l Via Austria 26 35127 PADOVA ITALY Tel 39 049 8705355 8705359 Fa...

Page 2: ...m 2 A 13 bit 102 5 of full scale see Over range table Programmable between 3 4 and 23 mA see Fault table 30mA POTENTIOMETER INPUT Potentiometer value Energizing current Input impedance Sensor fault de...

Page 3: ...aused by EMI 300 ms 620 ms 60 dB at 50 and 60 Hz 0 5 EMI ElectroMagnetic Interference STANDARDS EN61000 6 4 Electromagnetic emission industrial environment EN61000 6 2 Electromagnetic immunity industr...

Page 4: ...ple J K T N E 0 05 0 05 0 5 C Thermocouple B R S 0 05 0 05 1 C RTD 0 05 0 05 0 1 C Resistor 0 05 0 05 40 m Resistor 0 05 0 05 200 m Voltage 0 05 0 05 15 V Potentiometer 0 05 0 05 0 01 EMI ElectroMagne...

Page 5: ...tweenmoduleandprobe youshouldrememberthatthisconnection introduces an error in the measurement which can be removed by software programming equivalent to the resistance contributedbytheconnectioncable...

Page 6: ...ction 2wires 3wiresand4wires Measurementfilter disabledorenabled Output Normal 4 20mA orreversed 20 4mA Inputtype Cableresistancecompensationfor2wiresmeasurement Outputcurrentvalueincaseoffailure Valu...

Page 7: ...n case of fault Over Range To terminals 3 and 4 YES enabled NO disabled NO disabled K 0 C 1000 C 21 mA YES limited output between 2 5 and 102 5 FACTORY SETTINGS 2 PROGRAMMING CONNECTOR ACCESS 2 CONNEC...

Page 8: ...ces CUSTOMIZATION OF THE INTERPOLATION CURVE The EASY SETUP software allows the configuration of the T121 module in order to linearise also the sensors included in the above table Custom if their oper...

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