Siemens 6AV6640-0CA11-0AX1

Brand: Siemens
Model: 6AV6640-0CA11-0AX1

Inventory situation: Goods are available in stock.

Product features

Siemens 6AV6640-0CA11-0AX1, also called the SIMATIC Touch Panel TP 177micro, is a dependable industrial HMI (Human-Machine Interface) built for small-scale industrial tasks. One of the key features of Siemens 6AV6640-0CA11-0AX1 is its 5.7-inch STN liquid crystal display with a resolution of 320×240 pixels. The display uses a blue mode with 4 grayscale levels, offering clear visibility even in busy factory environments. It also has an analog resistive touchscreen that responds accurately to taps and presses, so operation is simple and intuitive for workers of all skill levels.

Siemens 6AV6640-0CA11-0AX1 comes with an ARM processor and 256KB of user data storage, enough to handle basic HMI functions. It includes one RS485 interface with a maximum data transfer rate of 187.5 kbit/s, supporting essential industrial communication protocols like PROFIBUS DP/FMS/PA (which can connect up to 125 nodes with speeds from 9.6 to 12Mbit/s). The touch panel runs on a 24V DC power supply (with a voltage range of 20.4V to 28.8V) and has low power consumption-about 80mA in standby, 210mA during normal use, and 0.5A at peak times.

Siemens 6AV6640-0CA11-0AX1 is compact and easy to install, with dimensions of 156mm × 212mm × 45mm and a required cutout size of 198mm × 142mm. It weighs only around 0.7kg and is designed for vertical mounting, even allowing a maximum tilt angle of 35° without needing external ventilation. The front panel has an IP65 protection rating (resistant to dust and water splashes), while the back panel has IP20 protection, making it durable for industrial settings.

Specifications

Model	6AV6640-0CA11-0AX1
Product name	SIMATIC Touch Panel TP 177micro
Product type	Industrial touch panel operator interface
Screen type	5.7 inch STN LCD display
Resolution	320 × 240 pixels
Display colors	Blue mode (4 shades of gray)
Touchscreen	Analog resistive
Interface	1 x RS485 interface (max. 187.5 kbit/s)

Application scenarios

One key application of Siemens 6AV6640-0CA11-0AX1 is in small machine tools, such as mini lathes, drilling machines, and milling machines. In these settings, workers use Siemens 6AV6640-0CA11-0AX1 to set operating parameters (like spindle speed and cutting depth), monitor machine status, and receive alarm notifications if there's a malfunction. Its 5.7-inch clear display and responsive touchscreen let operators make quick adjustments without complex training, while the RS485 interface ensures smooth communication with S7-200 PLCs to keep the machines running stably.

Siemens 6AV6640-0CA11-0AX1 also plays a vital role in packaging equipment, including small bagging machines, labeling machines, and sealing devices. These devices often work in busy workshop environments with dust or occasional water splashes, so the IP65 front panel protection of Siemens 6AV6640-0CA11-0AX1 is a big advantage-it resists dust and water splashes to stay durable. Operators use the touch panel to control packaging speed, count finished products, and switch between different packaging modes, and its low power consumption (210mA during normal use) means it can run for long shifts without high energy costs.

FAQ

Q: What is the Siemens 6AV6640-0CA11-0AX1?

A: The Siemens 6AV6640-0CA11-0AX1 is a compact SIMATIC HMI (Human Machine Interface) device. Its official product name is the SIMATIC TP 177 MICRO touch panel. It is a 5.7-inch industrial touchscreen designed for basic operator control and monitoring in automation systems.

Q: Which programmable logic controllers (PLCs) is it compatible with?

A: The TP 177 MICRO (6AV6640-0CA11-0AX1) was primarily designed for integration with the SIMATIC S7-200 PLC series. This makes it a classic choice for smaller automation projects or legacy systems built around the S7-200 platform.

Q: What software is used to program or configure this HMI panel?

A: This panel is configured using Siemens WinCC flexible software. Specifically, it requires at least WinCC flexible 2004 Micro HSP or higher versions for project development and download.

Q: I've seen conflicting information calling this a "PLC" or "LED module." Which is correct?

A: The descriptions calling it a "mini PLC" or an "LED module" are incorrect. This is a common issue where part numbers are miscategorized on broad electronic component platforms. The 6AV6640-0CA11-0AX1 is definitively an HMI Touch Panel. The "LED module" classification may stem from the fact that it contains LED indicators, but its primary function is as an operator interface.

Q: What would be a modern replacement for the TP 177 MICRO?

A: Siemens' current basic panel range, such as the SIMATIC HMI Basic Panels (e.g., KTP400 Basic, KTP700 Basic), are the modern successors. These newer panels offer higher-resolution displays, more advanced features, and integration with the current TIA Portal engineering software. For projects still using S7-200 PLCs, compatibility with newer HMIs should be verified.