1762-IT4

Specifications

Features

4 Channel, Thermocouple/Mv Module

Class

Progmable Logic Controller

Depth

87

Height

90

I/O Isolation

Isolated

I/O Status Indication

LED

Number Of Channels

4 point

Temperature Rating

0…55 °C (32…131 °F)

Thermocouple Type

4 Channel, Thermocouple/Mv Module

Accuracy

Thermocouple T: (-270...230 °C), without autocalibration ±0.3500 °C/°C with temperature drift, maximum @ 0...60 °C ambient

A/D converter type

Delta-Sigma

Analogue inputs configurable

1

Analogue outputs configurable

0

Bus current draw

50mA @ 24V DC, maximum

Cable impedance, max

25

Calibration

The module performs autocalibration upon power-up and whenever a channel is enabled. You can also prog the module to calibrate every five minutes

Channel diagnostics

Over or under range or open circuit condition by bit reporting for analog inputs

CJC accuracy

±1.3 °C

Common mode rejection

>110 dB at 60 Hz (with 10 or 60 Hz filter)

Common mode voltage range

±10V

Conducted immunity

IEC 1000-4-6: 10V @ 0.15...80MHz

ESD immunity

IEC1000-4-2: 4kV contact, 8kV air, 4kV indirect

Fast transient burst

IEC1000-4-4 2kV @ 5kHz

Hazardous environment class

Class I, Division 2, Hazardous Location, Groups A, B, C, D (UL 1604, C-UL under CSA C22.2 No. 213)

Heat dissipation

1.5 total W (the W per point, plus the minimum W, with all points enabled)

Input and output group to system isolation

30V AC/30V DC working voltage type test: 500V AC or 707V DC @ 1min

Input channel configuration

Via configuration software screen or the user prog (by writing a unique bit pattern into the module’s configuration file)

Input, current

0

Input group to bus isolation

30V AC/30V DC working voltage type test: 720V DC @ 1min

Input impedance

>10 MΩ

Input, resistance thermometer

0

Input, resistor

0

Input signal, configurable

1

Input, thermocouple

1

Input, voltage

0

Module OK LED

ON: module has power, has passed internal diagnostics, and is communicating over the bus, OFF: Any of the above is not true.

Module power LED

ON: indicates power is applied

Normal mode rejection ratio

85 dB min @ 60 Hz with the 10 or 60 Hz filter selected

Number of analogue outputs

4

Open-circuit detection time

7 ms

Operating altitude

2000 m

Operating humidity

5...95% noncondensing

Operating temperature

-20 °C

Output, current

0

Output signal configurable

0

Output, voltage

0

Overload at input terminals

Maximum @ ±35V DC continuous

Radiated and conducted emissions

EN50081-2: Class A

Radiated immunity

IEC 61000-4-3: 10 V/m, 80...1000 MHz, 80% Alitude modulation, +900 MHz keyed carrier

Rated working voltage

30V DC

Recommended cable

Belden™ 8761 (shielded), shielded thermocouple extension wire for the specific type of thermocouple you are using. Follow thermocouple manufacturer’s recommendations

Repeatability

Thermocouple T: ±1.5 °C for 10 Hz filter

Resolution

15 bit plus sign

Response speed per channel

Input filter and configuration dependent

Shipping weight

220 g

Shock

Relay ops: 7.5 G panel mounted (5 G DIN rail mounted)

Storage temperature

-40 °C

Suitable for safety functions

0

Surge immunity

IEC1000-4-5: 1kV galvanic gun

Type of electric connection

Screw connection

Vibration

Relay ops: 2 G

Width

40 mm

Bulletin

1762

Series

A

Lifecycle Status

Active Mature