Description
Product Name: 1747-DTAM-E-D Allen Braley Central control module
Product details:
The Allen-Bradley 1747-DTAM-E-D is a Data Table Access Module (DTAM) Micro, specifically designed for use with SLC 500 and MicroLogix controller families. It serves as a human-machine interface (HMI) that allows operators to monitor and manipulate data within the PLC’s data tables.
Detailed Product Description
The 1747-DTAM-E-D provides a cost-effective, compact solution for localized operator interface needs. It features a backlit liquid crystal display (LCD) and a tactile keypad. The “E” in the part number signifies Enhanced functionality, and the “D” indicates a DC-powered unit (typically 24V DC).
It connects directly to the processor’s DH-485 port or via a network, enabling users to view bit, integer, and timer/counter files without needing a full-sized industrial computer or complex SCADA system.
Technical Specifications (Product Parameters)
| Feature | Specification |
| Input Voltage | 18–30V DC |
| Power Consumption | 2.5 Watts (maximum) |
| Display Type | Backlit LCD, yellow-green |
| Display Capacity | 2 lines of 16 characters each |
| Communication Port | RS-485 (DH-485 Protocol) |
| Keypad | 20-button tactile membrane (Numeric + Function keys) |
| Operating Temperature | 0°C to 55°C (32°F to 131°F) |
| Enclosure Rating | NEMA Type 4X, 12, 13 (Indoor use only) |
| Memory Type | EEPROM for application storage |
Key Advantages
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Portability & Compactness: Its small footprint makes it ideal for mounting on small control panels or for use as a handheld diagnostic tool.
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Ease of Configuration: No complex programming language is required; it uses a menu-driven configuration for data table mapping.
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Durability: The front panel is rated for harsh industrial environments, offering protection against hose-down, dust, and oil.
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Real-time Interaction: Provides immediate access to PLC registers, allowing for quick setpoint adjustments and troubleshooting on the plant floor.
Important Considerations (Precautions)
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Wiring: Ensure that the 24V DC power supply is stable. Incorrect polarity or voltage spikes can damage the internal circuitry.
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Communication Distance: When using DH-485, ensure the total cable length and termination resistors adhere to Allen-Bradley networking standards to avoid data corruption.
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Legacy Status: Please note that the 1747 series is considered a “Legacy” or “End-of-Life” product line by Rockwell Automation. Availability may be limited to refurbished units or surplus stock.
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Environment: While the front is NEMA rated, the rear of the unit must be protected from moisture and conductive contaminants.
Product Applications
The 1747-DTAM-E-D is commonly used in applications where a full graphic HMI is unnecessary or too expensive:
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Machine Tuning: Adjusting timers and counters for packaging or assembly lines.
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Diagnostics: Monitoring error codes and status bits for maintenance troubleshooting.
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Parameter Entry: Inputting recipes or operational setpoints in small-scale manufacturing.
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Remote Monitoring: Acting as a localized display nodes in a larger DH-485 network.
Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!
We have the same series of models in stock. If you don’t find the model you need, please contact us and we will provide you with an official quotation！
Colour：new Warranty: 12 months
Lead Time：3-day working day Country of origin: Sweden
Price: Please contact us Product weight：0.515kg
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
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