Siemens 6AV6355-1AA47-7DC1 OP 177B

€ 1.995,00

SKU: 6AV6355-1AA47-7DC1 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6355-1AA47-7DC1 is an operator panel belonging to the SIMATIC HMI OP 177B series, designed for machine-level human-machine interface applications. This unit is part of Siemens' SIMATIC HMI product line and provides a monochrome or color display interface for process visualization and operator control. The OP 177B series is engineered for use in demanding industrial environments where reliable operator interaction is required.

The 6AV6355-1AA47-7DC1 features a 5.7-inch STN display and supports communication via MPI, PROFIBUS DP, and Ethernet interfaces, enabling integration with a wide range of Siemens SIMATIC S7 controllers. The panel is configured using WinCC flexible engineering software and supports recipe management, alarm logging, and trend display functions. It operates on a 24 V DC supply and is built to meet IP65 protection on the front face, making it suitable for panel-mount installations in industrial enclosures.

The OP 177B is commonly deployed in manufacturing, automotive, food and beverage, and process industries where operators require a compact yet capable interface for monitoring and controlling machinery. Its compatibility with SIMATIC S7-200, S7-300, and S7-400 PLCs makes it a versatile choice for both new installations and system upgrades. The panel's robust construction and wide operating temperature range make it well-suited for factory floor environments with variable ambient conditions.

Technical Specifications

Display Size	5.7 inch
Display Type	STN LCD
Display Colors	256 colors
Display Resolution	320 x 240 pixels (QVGA)
Input/Operating Voltage	24 V DC
Power Consumption	Max. 10 W
Communication Interface	MPI, PROFIBUS DP, Ethernet (RJ45)
IP Protection Rating (Front)	IP65
IP Protection Rating (Rear)	IP20
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
Relative Humidity	10% to 90%, non-condensing
Mounting	Panel mount
Certifications	CE, UL, cULus
Engineering Software	WinCC flexible 2005 or higher
Series/Product Family	SIMATIC HMI OP 177B

Common Error Codes & System Events

Event ID: 10000: Communication error between the HMI panel and the connected PLC. The configured connection to the controller cannot be established or has been interrupted.
Check the MPI or PROFIBUS DP cable connections and terminating resistors. Verify the PLC address settings in WinCC flexible match the hardware configuration. Ensure the PLC is powered and in RUN mode.
Event ID: 10001: Timeout error on the communication connection. The HMI did not receive a response from the PLC within the configured timeout period.
Check network cabling and connector integrity. Verify baud rate settings on both the HMI and PLC match. Reduce network load or increase the timeout value in the HMI project settings.
Event ID: 20000: Tag read error. The HMI panel was unable to read the value of a configured tag from the PLC.
Verify that the tag address configured in WinCC flexible exists and is accessible in the PLC program. Check that the data block or memory area referenced is not write-protected or out of range.
Event ID: 20001: Tag write error. The HMI panel was unable to write a value to the configured PLC tag.
Confirm the PLC is in RUN mode and the target memory area is writable. Check for address conflicts or incorrect data type assignments in the WinCC flexible project.
Event ID: 40000: Project download error. A project transfer from the engineering PC to the HMI panel failed or was interrupted.
Ensure the transfer cable or Ethernet connection is secure. Verify the HMI is in Transfer mode before initiating the download. Check that the WinCC flexible project version is compatible with the panel firmware version.
Event ID: 50000: System memory low warning. The available memory on the HMI panel for runtime operation is critically low.
Reduce the number of active alarms, recipe entries, or logged data stored on the panel. Archive or delete historical data and restart the HMI runtime.
Event ID: 60000: Firmware update error. An attempt to update the panel firmware was unsuccessful.
Restart the panel and retry the firmware update using ProSave or WinCC flexible. Ensure the correct firmware version for the 6AV6355-1AA47-7DC1 is used and that the power supply is stable during the update process.
Event ID: 70000: Internal device error or hardware fault detected on the HMI panel.
Perform a panel restart. If the error persists, perform a factory reset using the panel's loader menu. If the fault remains after reset, the unit may require hardware repair or replacement.

Frequently Asked Questions

Which engineering software is required to configure the OP 177B (6AV6355-1AA47-7DC1)?

The OP 177B is configured using Siemens WinCC flexible 2005 or later versions. Projects can be transferred to the panel via MPI, PROFIBUS DP, Ethernet, or USB using the ProSave utility.

Which Siemens PLCs are compatible with this HMI panel?

The OP 177B is compatible with SIMATIC S7-200, S7-300, and S7-400 PLCs, as well as WinAC software controllers. Communication is supported via MPI, PROFIBUS DP, and Ethernet interfaces.

What is the supply voltage for the 6AV6355-1AA47-7DC1?

The panel operates on a 24 V DC supply voltage. Ensure the power supply is within the specified tolerance range to avoid operational faults.

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

The front face of the OP 177B carries an IP65 protection rating, making it resistant to dust ingress and water jets. The rear of the unit is rated IP20.

Can the OP 177B be used as a replacement for older SIMATIC HMI panels?

The OP 177B can serve as a functional replacement for older SIMATIC OP 17 and OP 170B panels in many applications, though project migration using WinCC flexible may be required to adapt existing configurations.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the panel's power connector. Check for blown internal fuses or incorrect polarity on the supply wiring.

Correct the supply voltage or polarity if out of specification. If the supply is correct and the display remains blank, the internal power supply board or backlight may require replacement.

HMI panel fails to communicate with the PLC

Check the MPI or PROFIBUS DP cable for continuity and correct termination at both ends of the network. Verify that the bus address configured on the HMI matches the project settings and that no address conflicts exist on the network.

Replace or reseat the communication cable. Correct any address conflicts and ensure bus termination resistors are enabled only at the physical ends of the network. Re-download the project if configuration changes are made.

Touchscreen does not respond or responds inaccurately

Check for physical damage or contamination on the touch surface. Attempt to recalibrate the touchscreen via the panel's loader or control panel menu.

Clean the touch surface with a soft, dry cloth. Perform a touchscreen recalibration from the system settings. If inaccurate response persists after calibration, the touch overlay may need to be replaced.

Project transfer from PC to panel fails repeatedly

Verify the panel is set to Transfer mode in the loader menu. Check the Ethernet or MPI cable connection between the PC and the panel. Confirm that the firewall or antivirus software on the PC is not blocking the WinCC flexible transfer process.

Switch the panel to Transfer mode manually before initiating the download. Use ProSave to perform the transfer if WinCC flexible transfer fails. Temporarily disable PC firewall software and retry the transfer.

Alarm events are not being logged or displayed correctly

Check the alarm configuration in the WinCC flexible project for correct tag assignments and trigger conditions. Verify that the alarm log storage location (internal memory or memory card) has sufficient free space.

Correct any misconfigured alarm tags or trigger conditions in the project and re-download. Archive or delete old alarm logs to free storage space. If using an external memory card, ensure it is correctly seated and formatted.

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