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Allen-Bradley 1738-APB Communication Module
Manufacturer:Allen Bradley
Product Number:1738-APB
Product Type:Communication Module
Origin:USA
Dimensions:112 × 72 × 65 mm
Weight:0.36 kg
Views:144
Payment Methods:T/T, PayPal, Western Union
Condition:New & In Stock
Warranty:1 Year
Lead Time:1-3 Working Days
Certificate:COO
Courier partners:DHL, UPS, TNT, FedEx and EMS.
Business hours:7*24
Product Description
When it comes to distributed control in harsh environments, the Allen-Bradley 1738-APB Communication Module delivers a combination of precision, toughness, and field-ready design. Acting as a PROFIBUS DP adapter for ArmorPoint I/O, this module integrates industrial performance with a simplified mounting approach — ideal for engineers seeking a resilient and reliable fieldbus node solution in demanding applications.
Technical Data Sheet
| Parameter | Specification | Notes |
|---|---|---|
| Module Type | ArmorPoint PROFIBUS DP Adapter | Provides interface between PROFIBUS DP and ArmorPoint I/O |
| Supported Protocol | PROFIBUS DP Slave | Conforms to EN 50170 standard |
| Data Transmission Rate | 9.6 kbps to 12 Mbps | Auto-baud rate detection |
| Field Connectors | Dual M12 5-pin connectors (In/Out) | Supports daisy-chain connection |
| Field Voltage Input | 10 – 28.8 VDC (nominal 24 VDC) | Power input for field devices |
| Power Consumption | Approx. 8.1 W | Typical operational load |
| Backplane Supply Current | 1 A @ 5 VDC | Supplies power to connected ArmorPoint modules |
| Max Number of Modules | Up to 63 | Based on load and current draw |
| Diagnostic Indicators | Module, PROFIBUS, POINTBus, Network | LED-based visual diagnostics |
| Protection Type | IP20 / machine mount | Suitable for protected industrial environments |
| Operating Temperature | -20 °C to +60 °C | Field-operational range |
| Storage Temperature | -40 °C to +85 °C | Safe storage limits |
| Relative Humidity | 5% – 95% non-condensing | Industrial environmental rating |
| Mounting Method | Panel or DIN-rail with adapter base | Flexible installation options |
| Dimensions (H × W × D) | 112 × 72 × 65 mm (4.41″ × 2.83″ × 2.56″) | Compact form factor |
| Weight | 0.36 kg (0.8 lb) | Lightweight aluminum housing |
Real-World Applications
Engineers rely on the 1738-APB for distributed I/O control in machine environments where PROFIBUS remains a core communication backbone. Common applications include:
-
Multi-axis packaging and labeling machines requiring modular expansion.
-
Conveyor automation where I/O distribution reduces wiring distance.
-
Process skids in pharmaceutical and food-grade plants using PROFIBUS DP control.
-
Retrofit projects integrating existing PROFIBUS infrastructure with ArmorPoint I/O.
-
Automotive or bottling systems with decentralized machine-level control points.
Technical Edge & Performance Advantages
-
Integrated PROFIBUS Connectivity: Enables seamless integration with legacy PROFIBUS controllers.
-
High Node Capacity: Supports up to 63 modules, ideal for modular, scalable systems.
-
On-Machine Mounting: Reduces cabinet space and simplifies wiring complexity.
-
LED Diagnostics: Real-time status indication minimizes troubleshooting effort.
-
Wide Power Range: Flexible operation from 10 to 28.8 VDC ensures compatibility.
-
Durable Build: Withstands industrial vibration, temperature, and electrical noise.
-
Rapid Setup: Auto-baud detection and simple addressing reduce commissioning time.
-
Scalable Design: Easily expanded by adding ArmorPoint I/O modules.
-
Efficient Power Distribution: Integrated backplane current reduces need for external supplies.
-
Reduced Downtime: Field diagnostics and modular replaceability enhance uptime.
FAQs
-
Q: Does the 1738-APB automatically detect PROFIBUS baud rate?
A: Yes, it supports full auto-baud detection across all standard PROFIBUS DP speeds.
-
Q: How many ArmorPoint modules can be attached per node?
A: Up to 63 modules, depending on current consumption and power distribution.
-
Q: Can I use this module in outdoor or washdown environments?
A: It’s suitable for protected environments or inside enclosures; higher IP-rated ArmorPoint versions are available for washdown.
-
Q: What is the current capacity of the internal backplane?
A: It provides up to 1 A @ 5 VDC to supply attached ArmorPoint I/O modules.
-
Q: Does it support redundant PROFIBUS connections?
A: No, redundancy is not natively supported; it is a single-network device.
-
Q: What are the recommended cable types for PROFIBUS connections?
A: Use shielded twisted-pair cables compliant with EN 50170 for optimal signal integrity.
-
Q: Is it possible to hot-swap modules on the POINTBus?
A: Controlled replacement is possible with proper power isolation and configuration management.
-
Q: Can diagnostic data be read remotely?
A: Yes, diagnostic and fault information are available to the PROFIBUS master.
-
Q: How do I verify network integrity?
A: Use LED indicators and PROFIBUS diagnostic tools to monitor communication and module health.
-
Q: What’s the recommended grounding practice?
A: Ensure single-point grounding and shield continuity for minimal noise interference.
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Allen-Bradley 1738-APB Communication Module
Manufacturer:Allen Bradley
Product Number:1738-APB
Product Type:Communication Module
Origin:USA
Dimensions:112 × 72 × 65 mm
Weight:0.36 kg
Views:144
Payment Methods:T/T, PayPal, Western Union
Condition:New & In Stock
Warranty:1 Year
Lead Time:1-3 Working Days
Certificate:COO
Courier partners:DHL, UPS, TNT, FedEx and EMS.
Business hours:7*24
Product Description
When it comes to distributed control in harsh environments, the Allen-Bradley 1738-APB Communication Module delivers a combination of precision, toughness, and field-ready design. Acting as a PROFIBUS DP adapter for ArmorPoint I/O, this module integrates industrial performance with a simplified mounting approach — ideal for engineers seeking a resilient and reliable fieldbus node solution in demanding applications.
Technical Data Sheet
| Parameter | Specification | Notes |
|---|---|---|
| Module Type | ArmorPoint PROFIBUS DP Adapter | Provides interface between PROFIBUS DP and ArmorPoint I/O |
| Supported Protocol | PROFIBUS DP Slave | Conforms to EN 50170 standard |
| Data Transmission Rate | 9.6 kbps to 12 Mbps | Auto-baud rate detection |
| Field Connectors | Dual M12 5-pin connectors (In/Out) | Supports daisy-chain connection |
| Field Voltage Input | 10 – 28.8 VDC (nominal 24 VDC) | Power input for field devices |
| Power Consumption | Approx. 8.1 W | Typical operational load |
| Backplane Supply Current | 1 A @ 5 VDC | Supplies power to connected ArmorPoint modules |
| Max Number of Modules | Up to 63 | Based on load and current draw |
| Diagnostic Indicators | Module, PROFIBUS, POINTBus, Network | LED-based visual diagnostics |
| Protection Type | IP20 / machine mount | Suitable for protected industrial environments |
| Operating Temperature | -20 °C to +60 °C | Field-operational range |
| Storage Temperature | -40 °C to +85 °C | Safe storage limits |
| Relative Humidity | 5% – 95% non-condensing | Industrial environmental rating |
| Mounting Method | Panel or DIN-rail with adapter base | Flexible installation options |
| Dimensions (H × W × D) | 112 × 72 × 65 mm (4.41″ × 2.83″ × 2.56″) | Compact form factor |
| Weight | 0.36 kg (0.8 lb) | Lightweight aluminum housing |
Real-World Applications
Engineers rely on the 1738-APB for distributed I/O control in machine environments where PROFIBUS remains a core communication backbone. Common applications include:
-
Multi-axis packaging and labeling machines requiring modular expansion.
-
Conveyor automation where I/O distribution reduces wiring distance.
-
Process skids in pharmaceutical and food-grade plants using PROFIBUS DP control.
-
Retrofit projects integrating existing PROFIBUS infrastructure with ArmorPoint I/O.
-
Automotive or bottling systems with decentralized machine-level control points.
Technical Edge & Performance Advantages
-
Integrated PROFIBUS Connectivity: Enables seamless integration with legacy PROFIBUS controllers.
-
High Node Capacity: Supports up to 63 modules, ideal for modular, scalable systems.
-
On-Machine Mounting: Reduces cabinet space and simplifies wiring complexity.
-
LED Diagnostics: Real-time status indication minimizes troubleshooting effort.
-
Wide Power Range: Flexible operation from 10 to 28.8 VDC ensures compatibility.
-
Durable Build: Withstands industrial vibration, temperature, and electrical noise.
-
Rapid Setup: Auto-baud detection and simple addressing reduce commissioning time.
-
Scalable Design: Easily expanded by adding ArmorPoint I/O modules.
-
Efficient Power Distribution: Integrated backplane current reduces need for external supplies.
-
Reduced Downtime: Field diagnostics and modular replaceability enhance uptime.
FAQs
-
Q: Does the 1738-APB automatically detect PROFIBUS baud rate?
A: Yes, it supports full auto-baud detection across all standard PROFIBUS DP speeds.
-
Q: How many ArmorPoint modules can be attached per node?
A: Up to 63 modules, depending on current consumption and power distribution.
-
Q: Can I use this module in outdoor or washdown environments?
A: It’s suitable for protected environments or inside enclosures; higher IP-rated ArmorPoint versions are available for washdown.
-
Q: What is the current capacity of the internal backplane?
A: It provides up to 1 A @ 5 VDC to supply attached ArmorPoint I/O modules.
-
Q: Does it support redundant PROFIBUS connections?
A: No, redundancy is not natively supported; it is a single-network device.
-
Q: What are the recommended cable types for PROFIBUS connections?
A: Use shielded twisted-pair cables compliant with EN 50170 for optimal signal integrity.
-
Q: Is it possible to hot-swap modules on the POINTBus?
A: Controlled replacement is possible with proper power isolation and configuration management.
-
Q: Can diagnostic data be read remotely?
A: Yes, diagnostic and fault information are available to the PROFIBUS master.
-
Q: How do I verify network integrity?
A: Use LED indicators and PROFIBUS diagnostic tools to monitor communication and module health.
-
Q: What’s the recommended grounding practice?
A: Ensure single-point grounding and shield continuity for minimal noise interference.
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