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ENGLISH

- 4/8

t

Before performing any operation is mandatory to read the full contents of this
manual.

The module may only be used by qualified and skilled technicians in the field of

electric installation. Specific documentation is available for download at website:
www.seneca.it/products/z-8tc-lab.

Only the Manufacturer is authorized to repair the module or to replace damaged parts.
The product is susceptible to electrostatic discharge, take appropriate countermeasures
during any operation.

No warranty is granted in connection with faults resulting from improper use, from
modifications or repairs carried out by Manufacturer-unauthorized personnel on the device,
or if the content of this user Manual is not followed..

It is forbidden to place anything that could obstruct the ventilation slits.

.

It is forbidden to install the module near heat sources

PRELIMINARY WARNINGS

TC

type

Allowed

Range

Linearization

error

TC

type

Allowed

Range

Lineariz.

error

J

-210    1200 °C

0.05 °C

S

-50 1768 °C

0.02 °C

K

-200 1372 °C

0.05 °C

R

-50 – 1768 °C

0.02 °C

E

-200 1000 °C

0.02 °C

B

250 1820 °C (*)

0.03 °C

N

-200 1300 °C

0.04 °C

T

-200 400 °C

0.04 °C

TC INPUTS

Measurement range

Span mV

Impedance
ADC

Total error

Thermal Drift
Disturbance

n

Rejectio

Cold Junction Error

(*)Up to 250 °C: the input is considered equivalent to a null temperature value.

-10,1    81,4 mV.

10 M

Ω.

Configurable to 14 or 15 bit.
14 bit ADC and Rejection 50 Hz: "(0,040 % + 13 μV).
15 bit ADC and Rejection 50 Hz: "(0,035 % + 10 μV).
14 bit ADC and Rejection 60 Hz: "(0,045 % + 16 μV).
15 bit ADC and Rejection 60 Hz: "(0,040 % + 12 μV).
< 100 ppm/K.
Configurable to 50 Hz or to 60 Hz.
<1 °C.

Test Current

<50 nA.

CMRR (1)

>155 dB (tested port towards all the other ones at GND).

DMRR (1) (2)

>60 dB.

(1) The values are valid at the setted rejection frequency, with the filter ON.
(2) For disturbance values where the input signal peak does not exceed the limit of acceptability.

Refernce Standard

EN60584-1 (ITS-90).

TECHNICAL SPECIFICATIONS

Summary of Contents for Z-8TC-LAB

Page 1: ...8 ThermoCouple Inputs ENGLISH 8 1 THE ORIGINAL VERSION IS IN ITALIAN LANGUAGE This document is property of SENECA rl Duplication and reproduction are forbidden if not authorized S Contents of the pres...

Page 2: ...rial communication with MODBUS RTU protocol l Frontal USB Port for MODBUS RTU con guration and communication l Channels individually activabl and con gurable in pairs e For the two inputs of each term...

Page 3: ...l CONNECTIONS Removable way terminals 4 mm 3 5 pitch for cable max 1 5mm 2 Rear IDC10 connector for CEI EN60715 rail Micro USB frontal panel connector POWER SUPPLY Tension Power absorbed 10 40 V or 19...

Page 4: ...sources PRELIMINARY WARNINGS TC type Allowed Range Linearization error TC type Allowed Range Lineariz error J 210 1200 C 0 05 C S 50 1768 C 0 02 C K 200 1372 C 0 05 C R 50 1768 C 0 02 C E 200 1000 C 0...

Page 5: ...ide of the IDC10 rear connector as shown in Pic 1 Removal from IEC EN 60715 DIN rail As shown in Pic 2 1 Move outwards the two hooks on the side of the module with the help of a screwdriver 2 Extract...

Page 6: ...e module will be inserted on a free slot of Z PC DIN accessory In the figure you can see the meaning of the various pins of the rear IDC10 connector if you want to provide the signals directly through...

Page 7: ...the Internet site www seneca com Some parameters can also be set using DIP switches CONFIGURATIONS Detailed information about list of MODBUS registers and their functions are available inside the Z 8...

Page 8: ...on Rejection ADC Filter Thermocouple type Both channels are enabled C Enabled 50 Hz ADC 15 bit with average filter J for both channels FACTORY SETTINGS DIP SWITCHES CONFIGURATION BAUD RATE SW1 1 2 960...

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