Siemens TD400C SIMATIC S7-200 Text Display Module 6AV6640-0AA00-0AX1

Description

The Siemens SIMATIC TD400C Text Display (6AV6640-0AA00-0AX1) is a compact, cost-effective Human Machine Interface designed specifically for the SIMATIC S7-200 PLC family. Engineered for small machines requiring basic operator interaction, the TD400C allows operators to read diagnostic messages, view process alarms, and modify timer or counter values directly on the factory floor.

By translating complex controller signals into readable text, this text display simplifies machine diagnostics and daily parameter adjustments. Automation engineers, panel builders, and machine operators across Bangladesh rely on the TD400C text display module for economical retrofits, simple machine builds, and unbroken industrial runtime.

Key Features

• Customizable Backlit Text Display: Provides clear text rendering for process parameters, alarm messages, and operational status.
• Tactile Keypad with Custom Faceplate: Equipped with membrane function keys that can be custom-labeled for specific machine actions.
• Native S7-200 Compatibility: Designed for plug-and-play communication with Siemens SIMATIC S7-200 CPUs via the PPI interface.
• Direct Parameter Modification: Enables operators to adjust setpoints, timers, counters, and bit memory variables in real time.
• Compact Cutout Design: Minimal panel depth and small footprint permit mounting in space-restricted electrical control cabinets.
• IP65 Front Protection: Front enclosure rated IP65 to guard against dust, grime, and splash ingress in busy plant environments.

Technical Advantages

• High Efficiency & Low Overhead: Low power draw eliminates the thermal and electrical overhead of larger graphical panels.
• Durable Construction: Heavy-duty front membrane resists wear, dust, and continuous mechanical key presses.
• Easy Maintenance: Quick project parameter updates handled directly via STEP 7 Micro/WIN configuration software.
• Safety & Access Control: Password protection prevents unauthorized changing of critical PLC parameters.

Applications

• Industrial Facilities: Small automated machinery, conveyor starters, dosing systems, and packaging equipment.
• Factory Environments: Textile auxiliary machinery, plastic blow molding controllers, and small food processing lines.
• Commercial & Utility Projects: Water pump control stations, small HVAC monitoring units, and generator control panels.
• Project Installation: Excellent budget-friendly choice for local machine builders and integrators assembling S7-200 panels across Bangladesh.

Why Choose This Product?

• Proven Siemens Quality: Built to rigorous standards for continuous, long-term operation on factory floors.
• Maximum Cost Effectiveness: Delivers essential operator control and diagnostic monitoring without the cost of complex graphic displays.
• Simplicity & Speed: Simple wiring and straightforward STEP 7 Micro/WIN setup reduce engineering and installation time.
• Trusted Local Service: Sourced with technical accuracy and backed by fast nationwide delivery from LOOP Shop in Bangladesh.

Technical Specification Table

Features List

• ✓ Backlit text display for alarm and parameter monitoring
• ✓ Directly compatible with Siemens SIMATIC S7-200 PLC series
• ✓ Customizable membrane keypad layout for flexible operation
• ✓ Connects via PPI (RS485) communication protocol
• ✓ Configurable via STEP 7 Micro/WIN engineering software
• ✓ IP65 rated front enclosure against dust and moisture

Benefits For Customers

• Improves Operational Reliability: Real-time alarm text visibility allows operators to detect machine faults immediately.
• Reduces Machinery Costs: Offers essential operator interaction at a fraction of the cost of full graphical HMI panels.
• Saves Panel Space: Ultra-compact footprint fits easily into small control boxes with limited door area.
• Suitable for Bangladesh Environment: Operates reliably under high ambient factory temperatures (up to 50 °C) standard in Bangladesh.

Installation & Maintenance Guide

Installation Requirements:

• Prepare a clean panel cutout on the cabinet door according to TD400C physical mounting frame dimensions.
• Secure the unit into the cutout using the included rear fixing clips to seal against the front panel gasket.
• Connect the PPI communication cable between the TD400C port and the RS485 communication port on the S7-200 PLC.

Maintenance Tips:

• Clean the front membrane panel regularly using a soft, non-abrasive cloth; avoid harsh solvents or industrial cleaners.
• Routinely check the PPI communication cable connection for secure physical locking and signal continuity.
• Keep backup copies of your STEP 7 Micro/WIN project file containing the TD text configurations on your workstation.

Safety Instructions:

• Disconnect primary power to the control cabinet before installing, wiring, or replacing the text display unit.
• Ensure proper cabinet grounding to shield the communication line against high-frequency electromagnetic noise.

Frequently Asked Questions (FAQ)

Q: What is the price of Siemens TD400C Text Display 6AV6640-0AA00-0AX1 in Bangladesh?

A: For live stock updates, current pricing, and official commercial quotes in BD, please visit loopshop.com.bd or contact our sales team.

Q: Where can I buy original Siemens TD400C Text Display in Bangladesh?

A: You can purchase authentic Siemens TD400C text display modules online directly from LOOP Shop at loopshop.com.bd.

Q: Which PLC series is the Siemens TD400C compatible with?

A: The TD400C is designed specifically to interface with Siemens SIMATIC S7-200 PLC controllers.

Q: What software is required to configure the TD400C text display?

A: It is configured using Siemens STEP 7 Micro/WIN software via the built-in Text Display Wizard.

Q: What warranty does this product have?

A: Standard supplier/manufacturer warranty terms apply when purchased through LOOP Shop. Contact our support team for specific terms.

Q: Is this text display suitable for Bangladesh industrial conditions?

A: Yes, with an IP65 rated front membrane and operating temperature range up to 50 °C, it performs reliably in local factory environments.

Q: How to install this product?

A: Mount the chassis into a designated panel door cutout, clamp it from the rear, and connect it to the S7-200 PLC using a standard PPI cable.

Q: Can the keypad layout on the TD400C be customized?

A: Yes, the TD400C features a customizable membrane faceplate allowing custom key labeling for specific machine functions.

Q: Does it require a separate power supply cable?

A: It can receive power directly through the S7-200 PPI interface cable in standard installations, or via an external 24 V DC supply depending on distance.

Q: Does LOOP Shop provide nationwide delivery in Bangladesh?

A: Yes, LOOP Shop delivers industrial hardware and automation components to all major districts and industrial zones across Bangladesh.