1756-OF8IH

Specifications

Display

Module Health, In Calibration,Mode

Isolation

250V (continuous), Reinforced,insulation type, outputs to,backplane. Basic insulation,type, output to output, and,outputs to ground.

Number Of Channels

8

Output Signal

4-20mA

Special Features

Supports HART Protocol

Analogue inputs configurable

1

Analogue outputs configurable

0

Calibrated accuracy

0.15% @ 4...20mA, 25 °C (77 °F)

Conducted RF immunity

10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz

Current draw

400 mA (estimated) @ 24V @ 24V

Data format

IEEE 32-bit floating point

Drive capability

50...750 Ω with short circuit survival

EFT/B immunity

±2kV @ 5kHz on signal ports

Emissions

IEC 61000-6-4

Enclosure type rating

None (open-style)

ESD immunity

6 kV contact discharges, 8 kV air discharges

Gain drift with temperature

±4 ppm of full scale range/°C

Input, current

1

Input, resistance thermometer

0

Input, resistor

0

Input signal, configurable

1

Input, thermocouple

0

Input, voltage

1

Isolation voltage

250V (continuous), Reinforced insulation type, outputs to backplane, Basic insulation type, output to output, and outputs to ground.

Load reactance

10 µH maximum

Module error

0.3% @ 4...20mA

Module keying

Electronic, software configurable

Module scan time

Estimate 1 s if all channels are HART enabled, Pass through messages, handheld communications, sary masters, communication errors, or configuration changes can significantly increase the update time.

Nonoperating temperature

-40 °C

North American temperature code

T4A

Offset drift

±3 ppm of full scale range/°C (72 nA/°C typical)

Open circuit detection

Current output only (output must be set >=0.1 mA)

Operating temperature

0 °C <Ta <60 °C (32 °F <Ta <140 °F)

Output conversion method

R-Ladder DAC

Output, current

0

Output range

0...20mA @ 4...20mA

Outputs

8 current

Output short circuit protection

Current electronically limited to <=21 mA with no damage

Output signal configurable

0

Output, voltage

0

Overvoltage protection

±24V DC

Power dissipation

6.5 W nominal (maximum), (<6.4 W with 50 Ω load on all channels), (<6.5 W with 250 Ω load on all channels), (<6.7 W with 750 Ω load on all channels)

Radiated RF immunity

10 V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz, 10 V/m with 200 Hz 50% pulse 100% AM @ 900 MHz, 10 V/m with 200 Hz 50% pulse 100% AM @ 1890 MHz, 3 V/m with 1 kHz sine-wave 80% AM from 2000...2700 MHz

Relative humidity

5...95% noncondensing

Resolution

15 bit across 24 mA, 732 nA per bit

RTB keying

User-defined mechanical

Settling time

HART not enabled: <23 ms to 95% with resistive loads, HART enabled: <100 ms to 95% with resistive loads

Shock

Operating: 30 G, Non operating: 50 G

Slot width

1

Suitable for safety functions

0

Surge transient immunity

±2kV line-earth (CM) on shielded ports

Surrounding air temperature, max

60 °C

Terminal block torque specifications

1756-TBCH: 0.5 Nm (4.4 in-lb)

Type of electric connection

Screw-/spring clA connection

Vibration

2 G @ 10...500 Hz

Voltage and current ratings

Backplane: 220mA @ 5.1V DC, 360mA @ 24V DC, Output voltage range: 5...30V DC, Output current range: 0...20mA @ 4...20mA

Wire category

2 - on signal ports

Wire size

Single wire connection (1756-TBCH): 0.33...2.1 mm² (22...14 AWG) solid or stranded shielded copper wire, rated at 105 °C (221 °F) or greater, 1.2 mm (3/64 in.) insulation maximum, Single wire connection (1756-TBS6H): 0.33...2.1 mm² (22...14 AWG) solid or

Wire type

Copper

Bulletin

1756

Series

A

Lifecycle Status

Active