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Allen-Bradley 1756-OF8H

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Allen-Bradley 1756-OF8H

Allen-Bradley 1756-OF8H

1756-OF8H is an analog output module that is part of Allen-Bradley’s Logix controller platform. This module features Eight (8) voltage or current output channels and One (1) Highway Addressable Remote Transducer (HART) modem. Each channel is configurable for 0-20 mA and 4-20 mA output current signals while configurable voltage output signals are +/-10 VDC. This module has a resolution of 15-16 bits for all ranges. This content was written and compiled by dosupply.com and should not be copied.

 

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  • Brand :

    Allen-Bradley
  • Part number :

    1756-OF8H
  • Payment :

    bank transfer, T/T,PayPal, Alibaba,Alipay
  • Product Origin :

    U.S.A.
  • Color :

    New And Original
  • Lead Time :

    In Stock

Specifications

UPC 10612598345486
Brand Allen-Bradley
Part Number/Catalog No. 1756-OF8H
Manufacturer Rockwell Automation
Brand Allen-Bradley
Overvoltage protection, max +/- 24 VDC
series ControlLogix
Module Type Hart Analog Output Module
Module Type Analog output Module with HART capability
Outputs 8 Differential
No. of Inputs Eight (8) output channels
Input Current Range 0-20 or 4-20 milliamps
Output signal Current: 0-20 mA; 4-20 mA Voltage: +/-10VDC
Isolation Voltage 50 Volts Continuous
Resolution 15-16 Bits
Overvoltage Protection 24 Volts DC
Accuracy Voltage: 0.1% of range Current: 0.5% of range
Enclosure Open
Removeable Terminal Blocks 1756-TBNH, 1756-TBSH
Data Format: Integer mode (left justified, 2 s complement) IEEE 32-bit floating point
Input conversion method Successive approximation
Output conversion method R-Ladder DAC, monotonicity with no missing codes
Removable terminal block 1756-TBCH; 1756-TBSH
Removeable Terminal Block(s) 1756-TBNH, 1756-TBSH
Current Draw 230 mA @ 5.1 VDC and 230 mA @ 24 VDC
Isolation Voltage 50 Volts Continuous
Enclosure None
Open circuit detection time Current output only (output must be set to < 0.1 mA)

 

Allen-Bradley 1756-OF8H is an analog output module from the ControlLogix controller platform. This module mainly features Eight (8) voltage or current output channels, configurable for 0-20 mA and 4-20 mA current output signals and +/-10VDC voltage output signals. The 1756-OF8H has a module resolution of 15-16bits on all signal ranges. It comes with internal Digital to Analog converter (DAC) using R-Ladder DAC, monotonicity with no missing codes conversion method with data format of Integer mode (left justified, 2 s complement) IEEE 32-bit floating-point. This module is installed to a 1756 ControlLogix chassis and occupies a single slot only. It can function as a local IO module and remote I/O module component. For the termination of signal wires, this module comes with a removable terminal block (RTB). This RTB can be replaced with 1756-TBNH or 1756-TBSH with user-defined mechanical RTB keying. Applicable wire size when 1756-TBNH is used is 0.33-2.1 mm2 (22-14 AWG) for single-wire connection and 0.33…1.3 mm2 (22…16 AWG) for double wire connection. 1756-TBSH supports single wire connection only and is designed for wire 0.33…1.3 mm2 (22…16 AWG) wire size. The 1756-OF8H has a continuous isolation voltage rating of 50V. Module isolation is between output channels to backplane only. Each output channel does not come with individual isolation. Additionally, the module’s open circuit detection time is available for current configuration only while the maximum overvoltage protection is +/- 24 VDC.

 

1756-OF8H ControlLogix Voltage/Current Analog Output Module by Allen-Bradley is an analog output module that has 8 voltage or current outputs with a single HART modem per module. It has a selectable voltage/current signal range of -10.4336-10.4336V and 0-21.2916mA. The 1756-OF8H has an overall output rating of +/- 10V or 0-20mA and a signal resolution of 15-16 bits for all ranges. It also has a backplane current draw of 230 mA @ 5.1 VDC and 230 mA @ 24 VDC, total backplane power of 6.54W. It has a thermal dissipation of 16.78 BTU/hr, and a power dissipation of 4.92W. The 1756-OF8H has an isolation voltage of 50V with basic insulation tested at 1500V AC for 60s between output channels and the backplane.

 

1756-OF8H, unlike other Analog I/O modules, offers Open Circuit Detection and has a circuit detection time at a value that must be set below 0.1 mA. Its current settling time without HART is just below 23ms, and below 37ms with HART and its voltage settling time is 8.5ms to 95% with resistive loads. It has a calibration accuracy (without HART) of 0.1% (voltage) and 0.15% (current) and its standard calibration interval is about 12 months. The 1756-OF8H has an offset drift of 100 V/deg C. or 200nA/deg. C and the module has an overall module error of 0.15% (voltage) or 0.3% (current). It has a T4 North America, ATEX, and IEC temperature code, and has an open-style enclosure rating. The 1756-OF8H’s operational temperature ranges between 0 deg. C and 60 deg. C at 5-95% non-condensing relative humidity.

 

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FAQ


1.Q:Other suppliers have a better price than yours?

A: ''To create the greatest benefit for clients'' is our belief, if you have a better price, please let LANEN know. We will try the best to meet your target price and support you.

 

2.Q:What's the delivery time ?

A: Normally we have enough stock for regular models(such as PLC FX3U-64MR/ES-A ) and we can deliver immediately at the same day after payment received. For some products that is not in stock, we normally deliver within one week.

 

3.Q:What is the standard of package?

A: Export standard package or special package according to customer requirement.

 

4.Q: Could Wusu provide technology support?

A: We're in this field for more than 15 years and we have our own technical team. Our engineer could give suggestion and help to solve the problem if there's any problem.

 

5.Q:Does Wusu keeps goods in stock or only trading?

A: We have warehouses in Guangzhou and HongKong and keep large stock of goods in it, that's how we promise fast delivery.

 

All products are covered by the Wusu Industrial Automation Company's 1 Year Warranty. Manufacturer's Warranty does not apply.

 

Refund and replacement

1. Please contact us within 7 days if you have any question after you receiving the items.

 

2.The returned items has to be in its original condition, specific reason for the return, we will 

issue a return or replacement for your order after we received the returns.

 

3.The buyer is responsible for all the shipping cost incurred.

 

 

DHL/FedEx/UPS/TNT/EMS/Aramex for fast and Door-to-Door shipment.

 

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Customer can specify freight forwarders or other shipping Methods.

 

 

Alibaba TT Bank transfer, Western Union, Paypal aliexpress only etc.

 

 

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