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Allen Bradley
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1756-OF8H

ControlLogix 8 Pt A/O I or V HART Module

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Isolation None between channels (Single Ended)
Number Of Channels 8
Output Signal +/- 10.4V, 0-20 mA, 4-20 mA
Input, current True
Input, voltage True
Input, resistor False
Input, resistance thermometer False
Input, thermocouple False
Input signal, configurable True
Output, current False
Output, voltage False
Output signal configurable False
Analogue inputs configurable True
Analogue outputs configurable False
Type of electric connection Screw-/spring clA connection
Wire type Copper
Output range -10…10V, 0…20 mA, 4…20 mA
Load reactance Voltage: 1 µF, Current: 10 µH
Terminal block torque specifications 1756-TBNH: 1.36 Nm (12 in-lb.)
Input conversion method Successive approximation
Module keying Electronic, software configurable
Offset drift 100 µV/°C, 200 nA/°C
Output conversion method R-Ladder DAC, monotonicity with no missing codes
Outputs Eight voltage or current, one HART modem per module
Data format Integer mode (left justified, 2 s complement) IEEE 32-bit floating point
Wire category 2 - on signal ports
Overvoltage protection ±24V DC
Module error Voltage: 0.15% of range, Current: 0.3% of range
Gain drift with temperature Voltage: 20 ppm/°C, Current: 35 ppm/°C
Voltage and current ratings Backplane: 5.1V DC @ 230mA, 24V DC @ 230mA, Output voltage: -10...+10.4V, Output current: 4...20 mA
Settling time Current (no HART): <23 ms to 95% with resistive loads, current (with HART): <37 ms to 95% with resistive loads, voltage: <8.5 ms to 95% with resistive loads
Total backplane power 6.54 W
Thermal dissipation 16.78 BTU/h
Power dissipation 4.92 W
Resolution 15...16 bit for all ranges
Wire size 1756-TBNH: Single wire connection: 0.33...2.1 mm² (22...14 AWG) solid or stranded copper wire, rated at 105 °C (221 °F) or greater, 1.2 mm (3/64 in.) insulation maximum, 1756-TBNH: Double wire connection: 0.33...1.3 mm² (22...16 AWG) solid or stranded cop
Calibrated accuracy Voltage: Better than 0.1% of range @ 25 °C (77 °F) with HART disabled, Current: Better than 0.15% of range @ 25 °C (77 °F) with HART disabled
Open circuit detection time Current output only (output must be set to <0.1 mA)
Module HART scan time Analog: 12 ms, minimum, floating point, HART: typically 1 s per HART channel enabled. Estimate 10 s if all 8 channels have HART enabled, Pass through messages, handheld communicators, sary masters, communication errors, or configuration changes can s
Suitable for safety functions False
Surrounding air temperature, max 60 °C
North American temperature code T4
Emissions IEC 61000-6-4
ESD immunity 6 kV contact discharges, 8 kV air discharges
EFT/B immunity ±2kV @ 5kHz on signal ports
Relative humidity 5...95% noncondensing
Conducted RF immunity 10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz
Surge transient immunity ±2kV line-earth (CM) on shielded ports
Operating temperature 0 °C <60 °C (32 °F <140 °F)
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
Nonoperating temperature -40 °C
RTB keying User-defined mechanical
Vibration 2 G @ 10...500 Hz
Shock Operating: 30 G, Non operating: 50 G
Slot width 1
Calibration interval 12 mo typical
ATEX temperature code T4
IECEx temperature code T4
Isolation voltage 50V (continuous), basic insulation type, output channels to backplane, No isolation between individual output channels type tested at 1500V AC @ 60s
Enclosure type rating None (open-style)
图纸
3-Dimensional STEP model (STP) Download (ZIP)
Product Drawing Drawing (DWG)
图纸
3-Dimensional STEP model (STP) Download (ZIP)
Product Drawing Drawing (DWG)
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类型 资源 出版
General User Manual 1756-UM533
General Product Cutsheet --
General Technical Detail --
General Product Profile --
General Selection Guide 1756-SG001
Technical Data 1756-td002_-en-e 1756-TD002
寻找更多文档?
在技术文档中心查找此产品的技术文档,或搜索我们的文献资料库。
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提供下载
  • Firmware for 1756-OF8H v2.002
  • AOP - Add On Profiles for 1756 HART I/O v40.12.23
查看所有下载 Chevron RightChevron Right
  • Safety
  • American Bureau of Shippin

This product was certified with the above certifications as of 2025-07-19. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.

想要更多的技术说明?
在我们的知识库中查找罗克韦尔自动化技术专家关于该产品的问题和答案。
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技术规格
Isolation None between channels (Single Ended)
Number Of Channels 8
Output Signal +/- 10.4V, 0-20 mA, 4-20 mA
Input, current True
Input, voltage True
Input, resistor False
Input, resistance thermometer False
Input, thermocouple False
Input signal, configurable True
Output, current False
Output, voltage False
Output signal configurable False
Analogue inputs configurable True
Analogue outputs configurable False
Type of electric connection Screw-/spring clA connection
Wire type Copper
Output range -10…10V, 0…20 mA, 4…20 mA
Load reactance Voltage: 1 µF, Current: 10 µH
Terminal block torque specifications 1756-TBNH: 1.36 Nm (12 in-lb.)
Input conversion method Successive approximation
Module keying Electronic, software configurable
Offset drift 100 µV/°C, 200 nA/°C
Output conversion method R-Ladder DAC, monotonicity with no missing codes
Outputs Eight voltage or current, one HART modem per module
Data format Integer mode (left justified, 2 s complement) IEEE 32-bit floating point
Wire category 2 - on signal ports
Overvoltage protection ±24V DC
Module error Voltage: 0.15% of range, Current: 0.3% of range
Gain drift with temperature Voltage: 20 ppm/°C, Current: 35 ppm/°C
Voltage and current ratings Backplane: 5.1V DC @ 230mA, 24V DC @ 230mA, Output voltage: -10...+10.4V, Output current: 4...20 mA
Settling time Current (no HART): <23 ms to 95% with resistive loads, current (with HART): <37 ms to 95% with resistive loads, voltage: <8.5 ms to 95% with resistive loads
Total backplane power 6.54 W
Thermal dissipation 16.78 BTU/h
Power dissipation 4.92 W
Resolution 15...16 bit for all ranges
Wire size 1756-TBNH: Single wire connection: 0.33...2.1 mm² (22...14 AWG) solid or stranded copper wire, rated at 105 °C (221 °F) or greater, 1.2 mm (3/64 in.) insulation maximum, 1756-TBNH: Double wire connection: 0.33...1.3 mm² (22...16 AWG) solid or stranded cop
Calibrated accuracy Voltage: Better than 0.1% of range @ 25 °C (77 °F) with HART disabled, Current: Better than 0.15% of range @ 25 °C (77 °F) with HART disabled
Open circuit detection time Current output only (output must be set to <0.1 mA)
Module HART scan time Analog: 12 ms, minimum, floating point, HART: typically 1 s per HART channel enabled. Estimate 10 s if all 8 channels have HART enabled, Pass through messages, handheld communicators, sary masters, communication errors, or configuration changes can s
Suitable for safety functions False
Surrounding air temperature, max 60 °C
North American temperature code T4
Emissions IEC 61000-6-4
ESD immunity 6 kV contact discharges, 8 kV air discharges
EFT/B immunity ±2kV @ 5kHz on signal ports
Relative humidity 5...95% noncondensing
Conducted RF immunity 10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz
Surge transient immunity ±2kV line-earth (CM) on shielded ports
Operating temperature 0 °C <60 °C (32 °F <140 °F)
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
Nonoperating temperature -40 °C
RTB keying User-defined mechanical
Vibration 2 G @ 10...500 Hz
Shock Operating: 30 G, Non operating: 50 G
Slot width 1
Calibration interval 12 mo typical
ATEX temperature code T4
IECEx temperature code T4
Isolation voltage 50V (continuous), basic insulation type, output channels to backplane, No isolation between individual output channels type tested at 1500V AC @ 60s
Enclosure type rating None (open-style)
图纸
图纸
3-Dimensional STEP model (STP) Download (ZIP)
Product Drawing Drawing (DWG)
图纸
3-Dimensional STEP model (STP) Download (ZIP)
Product Drawing Drawing (DWG)
登录您的罗克韦尔自动化帐户以查看和下载技术图纸.
登录
文档
User Manual General
1756-UM533
Product Cutsheet General
--
Technical Detail General
--
Product Profile General
--
Selection Guide General
1756-SG001
1756-td002_-en-e Technical Data
1756-TD002
类型 资源 出版
General User Manual 1756-UM533
General Product Cutsheet --
General Technical Detail --
General Product Profile --
General Selection Guide 1756-SG001
Technical Data 1756-td002_-en-e 1756-TD002
寻找更多文档?
在技术文档中心查找此产品的技术文档,或搜索我们的文献资料库。
访问技术文档中心 Chevron RightChevron Right 搜索文献资料库 Chevron RightChevron Right
下载
提供下载
  • Firmware for 1756-OF8H v2.002
  • AOP - Add On Profiles for 1756 HART I/O v40.12.23
查看所有下载 Chevron RightChevron Right
认证
  • Safety
  • American Bureau of Shippin

This product was certified with the above certifications as of 2025-07-19. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.

技术说明
想要更多的技术说明?
在我们的知识库中查找罗克韦尔自动化技术专家关于该产品的问题和答案。
搜索知识库 Chevron RightChevron Right
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