Product Details
Overview
The Allen Bradley SLC 500 series 1746-BAS BASIC module provides advanced communication and programming capabilities for SLC 500 controllers. It is designed to handle multiple communication protocols, integrate with external devices, and support custom applications through BASIC programming.
Key Specifications
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Manufacturer Allen Bradley
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Series SLC 500
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Product Type BASIC Module
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Model/Part Number 1746-BAS
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Weight 0.63 lbs (0.28 kg)
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Communication Ports
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PRT1: RS-232/423, RS-422, RS-485
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PRT2: RS-232/423, RS-422, RS-485
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PRT3: DH-485 (DF1 protocol supported)
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Backplane Current (5 V) 150 mA
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Backplane Current (24 V) 40 mA
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Indicators ACT, 485, PRT1, PRT2, FAULT, BAT LOW, LED 1, LED 2
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Noise Immunity Standard NEMA compliance
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Operating Temperature 32–140 °F (0–60 °C)
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Memory 24 KB RAM
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Clock/Calendar Accuracy ±1 minute/month at 25 °C; +0, -6 minutes/month at 60 °C
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Vibration Resistance
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Displacement: 0.015 in. peak-to-peak at 5–57 Hz
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Acceleration: 2.5 g at 57–2000 Hz
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Operating Shock 30 g
Application Scenarios The 1746-BAS is ideal for applications requiring custom communication handling, integration with external serial devices, and BASIC programming for specialized control logic. It is commonly used in manufacturing automation, process control, and systems requiring DH-485 connectivity.
FAQ
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Q: What programming language does the 1746-BAS support? A: It supports BASIC programming for custom applications.
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Q: Can the module communicate with multiple protocols simultaneously? A: Yes, it supports RS-232, RS-422, RS-485, and DH-485 across three ports.
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Q: How reliable is the onboard clock/calendar? A: It maintains accuracy within ±1 minute per month at 25 °C, with minor drift at higher temperatures.
Comparison with Similar Models Compared to the 1746-ASCII module, the 1746-BAS offers greater flexibility with multiple communication ports and BASIC programming capability, making it more suitable for complex integration tasks.
Overview The Allen Bradley SLC 500 series 1746-BAS BASIC module provides advanced communication and programming capabilities for SLC 500 controllers. It is designed to handle multiple communication protocols, integrate with external devices, and support custom applications through BASIC programming.
Key Specifications
-
Manufacturer Allen Bradley
-
Series SLC 500
-
Product Type BASIC Module
-
Model/Part Number 1746-BAS
-
Weight 0.63 lbs (0.28 kg)
-
Communication Ports
-
PRT1: RS-232/423, RS-422, RS-485
-
PRT2: RS-232/423, RS-422, RS-485
-
PRT3: DH-485 (DF1 protocol supported)
-
Backplane Current (5 V) 150 mA
-
Backplane Current (24 V) 40 mA
-
Indicators ACT, 485, PRT1, PRT2, FAULT, BAT LOW, LED 1, LED 2
-
Noise Immunity Standard NEMA compliance
-
Operating Temperature 32–140 °F (0–60 °C)
-
Memory 24 KB RAM
-
Clock/Calendar Accuracy ±1 minute/month at 25 °C; +0, -6 minutes/month at 60 °C
-
Vibration Resistance
-
Displacement: 0.015 in. peak-to-peak at 5–57 Hz
-
Acceleration: 2.5 g at 57–2000 Hz
-
Operating Shock 30 g
Application Scenarios The 1746-BAS is ideal for applications requiring custom communication handling, integration with external serial devices, and BASIC programming for specialized control logic. It is commonly used in manufacturing automation, process control, and systems requiring DH-485 connectivity.
FAQ
-
Q: What programming language does the 1746-BAS support? A: It supports BASIC programming for custom applications.
-
Q: Can the module communicate with multiple protocols simultaneously? A: Yes, it supports RS-232, RS-422, RS-485, and DH-485 across three ports.
-
Q: How reliable is the onboard clock/calendar? A: It maintains accuracy within ±1 minute per month at 25 °C, with minor drift at higher temperatures.
Comparison with Similar Models Compared to the 1746-ASCII module, the 1746-BAS offers greater flexibility with multiple communication ports and BASIC programming capability, making it more suitable for complex integration tasks.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.
Understanding Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.