1756-OF8I

Specifications

Features

8 Isolated Points, Current and Voltage (36 Pin)

Display

Module Health, In Calibration,Mode, Input, Fault and,Communication Status

Isolation

250V (continuous), reinforced,insulation type, outputs to,backplane. 250V (continuous),basic insulation type, output,to output

Special Features

Per Point Isolation

Analogue inputs configurable

1

Analogue outputs configurable

0

Calibrated accuracy

0.05% @ 25°C (77 °F)

Conducted RF immunity

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

Current draw

200mA @ 5.1V, Voltage or current mode with 250 Ω loads = 220mA @ 24V, Current mode with 500 Ω loads = 275mA @ 24V, Current mode with 750 Ω loads = 340mA @ 24V, Current mode with 1000 Ω loads = 385mA @ 24V

Data format

IEEE 32-bit floating point

Drive capability

Current output = 0...1000 Ω, Voltage output =>1000 Ω

EFT/B immunity

±4kV @ 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

Input, current

1

Input, resistance thermometer

0

Input, resistor

0

Inputs

Eight isolated channels - any combination of voltage or current mode

Input signal, configurable

1

Input, thermocouple

0

Input, voltage

1

Isolation voltage

250V (continuous), reinforced insulation type, outputs to backplane, 250V (continuous), basic insulation type, output to output

Module conversion method

R-Ladder DAC, monotonicity with no missing codes

Module error over full temperature range

0.1 %

Module keying

Electronic, software configurable

Module scan time

1 ms minimum

Nonoperating temperature

-40 °C

North American temperature code

T4

Open circuit detection

Current output = Yes

Operating temperature

0 to 60 °C

Output, current

0

Output impedance

46 Ω (Current output)

Output range

-10…10V, 0…10V, 0…5V, 0…20 Ma

Output signal configurable

0

Output, voltage

0

Overvoltage protection

±30V DC (voltage/current)

Power dissipation

Voltage mode: 5.4 W (18.4 BTU/hr), Current mode with 250 Ω loads: 5.4 W (18.4 BTU/hr), Current mode with 500 Ω loads: 5.8 W (19.8 BTU/hr), Current mode with 750 Ω loads: 6.5 W (22.2 BTU/hr), Current mode with 1000 Ω loads: 6.7 W (22.9 BTU/hr)

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

16 bit, ±10.5V (0.32 mV/count), 0...10.5V (0.16 mV/count), 0...5.25V (0.08 mV/count), 0...21 mA (0.32 µA/count)

RTB keying

User-defined mechanical

Settling time

<2 ms to 95% of final value with resistive loads

Shock

Operating: 30 G, Non operating: 50 G

Short circuit detection

Voltage output = Yes

Slot width

1

Suitable for safety functions

0

Surge transient immunity

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

Surrounding air temperature, max

60 °C

Thermal dissipation

Voltage mode = 18.4 BTU/hr, Current mode with 250 Ω loads = 18.4 BTU/hr, Current mode with 500 Ω loads = 19.8 BTU/hr, Current mode with 750 Ω loads = 22.2 BTU/hr, Current mode with 1000 Ω loads = 22.9 BTU/hr

Total backplane power

Voltage mode = 6.3 W, Current mode with 250 Ω loads = 6.3 W, Current mode with 500 Ω loads = 7.6 W, Current mode with 750 Ω loads = 9.2 W, Current mode with 1000 Ω loads = 10.2 W

Type of electric connection

Screw-/spring clA connection

Vibration

2 G @ 10...500 Hz

Wire category

2 - on signal ports

Wire size

0.33...2.1 mm² (22...14 AWG) solid or stranded shielded copper wire, rated at 90 °C (194 °F) or greater, 1.2 mm (3/64 in.) insulation maximum

Bulletin

1756

Series

B

Lifecycle Status

Active