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AB 1746-OA8 ， SLC 500 Discrete AC Output Module ， 120 / 240 VAC

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AB 1746-OA8 ， SLC 500 Discrete AC Output Module ， 120 / 240 VAC

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Brand Name : AB

Model Number : 1746-OA8

Place of Origin : USA

MOQ : 1

Price : negotiable

Payment Terms : T/T

Supply Ability : 100

Delivery Time : 5-8 work days

Packaging Details : New in original box

Brand : AB

Model : 1746-OA8

Series : SLC 500

Module Type : Discrete AC output module

Outputs : 8

Nom Output Voltage : 120 / 240 VAC

Output Voltage Range : 85-264 VAC

Step Response : 60 milliseconds in, 2.5 milliseconds out

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AB 1746-OA8 , SLC 500 Discrete AC Output Module , 120 / 240 VAC

Technical Specifications for 1746-OA8

Manufacturer Rockwell Automation
Module Type Discrete AC output module
Series SLC 500
Part Number/Catalog No. 1746-OA8
Brand AB
No. of groups 2
No. of channels per group 4
Nom Output Voltage 120 / 240 VAC
Output Voltage Range 85-264 VAC
Backplane current consumption 185 mA
ON Signal delay, max. resistive load 1 ms
OFF Signal delay, max. resistive load 11 ms
Continuous current per point 1.00 A at 30 °C (86 °F); 0.5 A at 60 °C (140 °F)

Continuous current per module 8.0 A at 30 °C (86 °F); 4.0 A at 60 °C (140 °F)
On-state voltage drop, max 1.5V at 1.0 A
Surge current per point 10 A for 25 ms
Voltage Range 85-265 Volts AC
Outputs 8
Current/Output at 30 Celsius 1 amp
Current/Output at 60 Celsius 0.5 amp
Backplane Current (5 Volts) 185 milliamps
Current/Module (30 Celsius) 8 amps
Applications General Purpose
Step Response 60 milliseconds in, 2.5 milliseconds out
UPC 10662073521331

About 1746-OA8

The AB 1746-OA8 is an SLC 500 AC output module. This module is part of discrete output modules, used to energize electrical loads that operate at an operating voltage range of 85-264 VCA with frequency of 47-63 Hz. The module’s nominal output voltages are 120VAC and 240VAC and occupies a single slot of the 1746 chassis.

Each channel of the 1746-OA8 delivers a continuous output current of 1.0 A @ 30 °C (86 °F) or 0.50 A @ 60 °C (140 °F) while the maximum continuous output current per module is 8.0 A @ 30 °C (86 °F) and 4.0 A @ 60 °C (140 °F). Additionally, each channel has an ON signal delay of 1 ms for resistive load and maximum OFF delay signal of 11 ms for resistive load as well.

The 1746-OA8 draws backplane current amounting to 185 mA @ 5VDC with ON state output voltage drop of 1.50V @ 1.0 A. The module’s minimum load current is 10 mA with maximum OFF state leakage output current of 2 mA. The module’s maximum surge current per point is 10 A for 25 ms.

The 1746-OA8 fits to any available slot of the 1746 chassis except the first slot which is reserve for the SLC 500 processor.

The 1746-OA8 must be configured using the RSLogix 500 programming software. With the programming software, individual channel operation and parameters may be set. For installation, the module must be attached to the chassis when power is not actively supplied as this module does not support Removal and Insertion Under Power (RIUP).

The 1746-OA8 has a maximum leakage current of 2mA in its OFF state and the minimum current load on each output point is 10mA. The maximum current on each output point is 1A which falls to 0.5A at 60 °C and the aggregate current on the 1746-OA8 module is 8A but it can fall to 4A at 60 °C. It has a drop voltage of 1.50V at 1A in its OFF state and the module has an output current surge of 10A for 25ms. The 1746-OA8’s factory-designated operational temperature falls between 0 and 60 °C (32 and 140 °F) and it must be used in 5-95% non-condensing relative humidity and stored at a temperature between 40 and 85 °C (-40 and 185 °F). It is built to withstand an operational vibration of 2.5G at 57-2000 Hertz and it can sustain a shock rating of 30G. The 1746-OA8 features NEMA standard ICS 2-230 Noise Immunity and is UL and CSA-certified.


AB 1746-OA8 ， SLC 500 Discrete AC Output Module ， 120 / 240 VAC

AB 1746-OA8 ， SLC 500 Discrete AC Output Module ， 120 / 240 VAC


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