Siemens 6AV6355-1CA47-7CC3 OP 177B

€ 3.495,00

SKU: 6AV6355-1CA47-7CC3 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6355-1CA47-7CC3 is an operator panel belonging to the OP 177B series within the Siemens SIMATIC HMI family. This unit provides a compact and robust human-machine interface solution designed for machine-level visualization and control tasks. It runs on the WinCC flexible runtime environment and is part of the established SIMATIC HMI product line.

The OP 177B 6AV6355-1CA47-7CC3 features a 5.7-inch STN color display with a resolution of 320 x 240 pixels (QVGA) and includes both a touchscreen and function keys for operator input. It supports MPI, PROFIBUS DP, and Ethernet (PROFINET) communication interfaces, enabling integration into a wide range of Siemens and third-party control architectures. The panel operates on 24 V DC supply voltage and offers a USB interface for project transfer and data backup. Internal flash memory is used for project and recipe storage, and the unit supports up to 800 tags.

The OP 177B is commonly deployed in machine-level applications across manufacturing, packaging, food and beverage, and process industries. Its combination of touch and key-based operation makes it suitable for environments where operators require both graphical navigation and dedicated function key access. The panel's compact form factor and PROFIBUS/PROFINET connectivity make it a practical choice for integration with SIMATIC S7-300 and S7-400 PLC systems.

Technical Specifications

Display Size	5.7 inch
Display Type	STN color
Display Resolution	320 x 240 pixels (QVGA)
Display Colors	256 colors
Touch Technology	Resistive touchscreen with membrane keypad
Input/Operating Voltage	24 V DC
Power Consumption	Max. 12 W
Communication Interface	MPI, PROFIBUS DP, Ethernet (PROFINET), USB
Memory	Flash memory, up to 800 tags
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
Relative Humidity	10% to 90%, non-condensing
IP/Protection Rating	IP65 (front panel)
Mounting	Panel mounting
Certifications	CE, UL, cULus
Series/Product Family	SIMATIC HMI OP 177B

Common Error Codes & System Events

Event ID: 10000: Communication error between HMI panel and PLC. Connection to the configured controller cannot be established or has been lost.
Check MPI/PROFIBUS/Ethernet cable connections and termination resistors. Verify PLC address settings match HMI project configuration. Confirm PLC is in RUN mode.
Event ID: 10001: Connection to PLC interrupted during runtime operation.
Inspect communication cables for damage. Check bus termination and cable shielding. Verify network address conflicts are not present.
Event ID: 40000: Project download error. Transfer of the HMI project to the panel failed.
Ensure the panel is in Transfer mode before initiating download. Check USB or Ethernet connection between engineering PC and panel. Verify WinCC flexible version compatibility.
Event ID: 20000: Tag read/write error. A configured tag could not be read from or written to the PLC.
Verify the PLC data block and address referenced in the HMI project exist and are accessible. Check PLC program for address changes.
Event ID: 50000: System memory low. Available runtime memory on the panel is insufficient.
Reduce the number of active screens or tags. Optimize the project by removing unused graphics or scripts. Consider archiving historical data to external storage.
Event ID: 70000: Backup/restore error. A project backup or restore operation failed.
Check the USB device for sufficient free space and correct formatting. Ensure the backup file is not corrupted. Retry the operation with a freshly formatted USB drive.
Event ID: 30000: Recipe data error. Recipe records could not be read or written correctly.
Verify recipe configuration in WinCC flexible. Check that recipe data records do not exceed the configured limits. Re-transfer the project if recipe structure has changed.

Frequently Asked Questions

What communication interfaces does the 6AV6355-1CA47-7CC3 support?

The OP 177B supports MPI, PROFIBUS DP, and Ethernet (PROFINET) interfaces, as well as a USB port for project transfer and data backup.

Which PLCs is the OP 177B compatible with?

The OP 177B is primarily designed for use with Siemens SIMATIC S7-300 and S7-400 PLCs, but can also be configured for use with S7-200 and third-party controllers via appropriate drivers in WinCC flexible.

What software is required to program the OP 177B?

The OP 177B is programmed using Siemens WinCC flexible 2008 or a compatible version. Projects are created on a PC and transferred to the panel via USB or Ethernet.

What is the supply voltage for this panel?

The panel operates on a 24 V DC supply voltage.

What is the front panel protection rating of the OP 177B?

The front panel of the OP 177B carries an IP65 protection rating, making it suitable for use in environments where dust and water jets may be present.

Troubleshooting

Display remains blank after power on

Measure 24 V DC at the power supply connector. Check internal fuse if accessible. Observe whether the backlight is off or the screen shows no image at all.

Verify the 24 V DC supply is within tolerance. If the backlight is faulty, the display assembly may require replacement. If no power is reaching the unit, inspect the supply wiring and connector.

Panel fails to communicate with the PLC

Check the MPI or PROFIBUS cable connections and verify bus termination at both ends of the network. Confirm the PLC address in the HMI project matches the physical PLC setting.

Replace or reseat communication cables. Ensure correct bus termination resistors are installed. Re-download the HMI project with corrected PLC address settings if a mismatch is found.

Touchscreen does not respond or responds inaccurately

Attempt to recalibrate the touchscreen via the panel's Start Center or Control Panel settings. Check for physical damage or contamination on the screen surface.

Perform a touchscreen calibration using the built-in calibration tool. Clean the screen surface with a soft, dry cloth. If calibration does not resolve the issue, the touchscreen overlay may need replacement.

Project transfer via USB fails

Verify the panel is set to Transfer mode before initiating the download. Check that the USB drive is formatted correctly (FAT32) and is recognized by the panel.

Switch the panel to Transfer mode via the Start Center. Use a freshly formatted FAT32 USB drive. Ensure the WinCC flexible project version is compatible with the panel firmware version.

Panel repeatedly restarts or crashes during operation

Check the 24 V DC supply for voltage fluctuations or noise. Review the project for memory-intensive scripts or excessive tag polling rates.

Stabilize the power supply and add filtering if necessary. Optimize the WinCC flexible project by reducing script complexity and tag update cycles. Update the panel firmware to the latest available version if the issue persists.

Condition	Repair, Used, Refurbished, New in box (sealed)