
|
Manufacturer |
Allen Bradley |
|
Product type |
Analog current output module |
|
Product Line |
SLC 500 |
|
Part Number |
1746sc-NO8I |
|
Weight |
10.00 lbs (4.54 kg) |
|
Series |
SLC |
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Technical specifications
|
Manufacturer |
Allen Bradley |
|
Product type |
Analog current output module |
|
Product Line |
SLC 500 |
|
Part Number |
1746sc-NO8I |
|
Weight |
10.00 lbs (4.54 kg) |
|
Series |
SLC |
|
Module Type |
Analog output module |
|
Compatibility |
Allen Bradley SLC 500 |
|
No. of output |
Eight (8) |
|
Cable |
Belden 8761 |
|
Output signals |
0-20 mA; 4-20 mA |
|
Terminal screw torque |
7 lb-in to 9 lb-in |
|
Module resolution |
16-bit |
|
Wire size |
Maximum 14 AWG |
|
Slot width |
1-slot |
|
Mounting location |
any slot of 1746 chassis except slot |
|
Backplane Current consumption |
120mA at 5 VDC and 240 mA at 24 VDC |
|
Recommended cable |
Belden 8761 (shielded, twisted-pair) or equivalent |
|
Operating Temperature |
0°C to +60°C (+32°F to +140°F) |
|
Storage Temperature |
-40°C to +85°C (-40°F to +185°F) |
Descripution
The 1746sc-NO8I is an analog output module that is manufactured by Spectrum controls, an encompass partner company of Rockwell Automation. This module is directly compatible with the SLC 500 series of Allen-Bradley that features Eight (8) current output channels that generate 0-20 mA and 4-20mA output signals at 16-bit Analog to Digital Converter (ADC) resolution. This module can be used to drive modulating devices such as Control Valves, Variable Frequency Drives (VFD), Positioners, and similar devices. It may also be used for signal retransmission for termination to panel meters, data loggers, and recorders as well as input to other PLC-based and single-loop controllers. The 1746sc-NO8I has a backplane current consumption of 120mA at 5 VDC and 240 mA at 24 VDC. The module has a width designed to occupy a single slot of the chassis. It can be installed to any available slot except slot 0 that is reserved for the CPU. It can be installed to a local I/O rack where the CPU resides or to a remote I/O rack as part of distributed I/O architecture. The 1746sc-NO8I comes with a removable Terminal Block (RTB) mounted on the front panel which simplifies troubleshooting as pre-existing wires can be maintained when installing and replacement of modules. Similar to other SLC 500 modules, this module does not support removable ad insertion under power (RIUP).
1746SC-NO8I FAQ
|
Question: |
How does the AB 1746SC-NO8I ensure deterministic analog output performance in high-reliability industrial control systems? |
|
Anwser: |
The AB 1746SC-NO8I provides eight isolated analog output channels with high-resolution digital-to-analog conversion, enabling precise signal transmission for process control applications that demand stable and repeatable output performance. |
|
Question: |
Why is the AB 1746SC-NO8I considered an optimal solution for precision process variable regulation? |
|
Anwser: |
The AB 1746SC-NO8I delivers accurate voltage or current analog outputs, making it ideal for controlling actuators, control valves, variable frequency drives (VFDs), and other field devices requiring finely tuned output signals. |
|
Question: |
Which engineering factors should be evaluated before integrating the AB 1746SC-NO8I into an existing SLC 500 automation architecture? |
|
Anwser: |
Before deploying the AB 1746SC-NO8I, engineers should verify chassis compatibility, output signal configuration (current or voltage), load impedance, channel isolation requirements, wiring practices, and software configuration to ensure seamless integration and reliable operation. |
|
Question: |
What operational advantages does the AB 1746SC-NO8I offer for mission-critical manufacturing and continuous process industries? |
|
Anwser: |
The AB 1746SC-NO8I enhances control accuracy by providing isolated multi-channel analog outputs, minimizing electrical interference while supporting consistent signal integrity in demanding industrial environments such as power generation, water treatment, chemical processing, and manufacturing. |
|
Question: |
How can the diagnostic and calibration capabilities of the AB 1746SC-NO8I improve long-term system reliability and maintenance efficiency? |
|
Anwser: |
The AB 1746SC-NO8I supports accurate output calibration and dependable channel operation, allowing maintenance personnel to reduce commissioning time, simplify troubleshooting, and maintain long-term control accuracy throughout the module's operational lifecycle. |
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