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
-
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.
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 Root Causes of Unplanned PLC Stop Mode in Industrial Automation
Modern Programmable Logic Controllers manage execution through distinct operational states: Run, Stop, Start-Up, and Hold. During power-up, a controller initializes memory registers within Stop mode before briefly transitioning to Start-Up mode. During this phase, internal self-diagnostics evaluate system integrity across hardware and user programs. If the controller detects no critical faults, it enters Run mode to execute the control program continuously. However, any severe system anomaly forces the CPU back into Stop mode immediately to prevent erratic machine behavior across the plant floor.
Human-Machine Interface Design: Essential Guide to HMI Selection, Visualization, and Control System Integration
Human-Machine Interfaces (HMIs) serve as the primary operational window into complex industrial automation systems. Modern HMIs convert raw machine data into clear graphical displays, enabling operators to oversee entire manufacturing processes in real time. Instead of relying on physical control panels full of hardwired switches, engineers program interactive screens using intuitive graphics, dynamic color coding, and responsive touch interfaces. Over my 15 years in control systems engineering, I have observed HMIs transform from basic display screens into sophisticated command centers that drive operational efficiency across DCS and PLC environments.
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.