Siemens 6AV6355-1FA00-0DM5 OP 177B

€ 1.866,14

SKU: 6AV6355-1FA00-0DM5 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6355-1FA00-0DM5 is an Operator Panel (OP 177B) belonging to the SIMATIC HMI series, designed for machine-level human-machine interface applications. This unit provides a monochrome or color display with touch and key-based operation, serving as a compact and robust panel for process visualization and control. It is part of Siemens' established SIMATIC HMI product line, engineered for integration into industrial control systems.

The OP 177B features a 5.7-inch STN display and supports both MPI/PROFIBUS DP and Ethernet communication interfaces, enabling flexible connectivity to SIMATIC S7 PLCs and other compatible controllers. The panel includes function keys and a membrane keypad for reliable operator input in demanding environments. It is configured using WinCC flexible engineering software and supports alarm management, recipe handling, and trend displays. The unit operates on 24 V DC and is rated to IP65 on the front face, providing protection against dust and water ingress.

The OP 177B is widely deployed in manufacturing, automotive, food and beverage, and process industries where a compact, panel-mounted HMI is required for machine control and status monitoring. Its combination of keypad and display makes it suitable for applications where touchscreen operation is not preferred or practical. The panel's compatibility with the SIMATIC S7-200, S7-300, and S7-400 controller families makes it a versatile choice for a broad range of automation tasks.

Technical Specifications

Display Size	5.7 inch
Display Type	STN LCD
Display Colors	256 colors
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 mounting
Engineering Software	WinCC flexible 2005 or higher
Certifications	CE, UL, cULus

Common Error Codes & System Events

Event ID: 10000: Configuration error detected on startup; the project loaded on the panel contains configuration inconsistencies.
Re-transfer the project using WinCC flexible. Verify the project is compiled without errors before downloading.
Event ID: 20000: Communication connection to the configured PLC controller has been lost or cannot be established.
Check MPI/PROFIBUS DP or Ethernet cabling and connector integrity. Verify PLC address settings match the HMI project configuration.
Event ID: 40000: Tag read/write error; the HMI panel cannot access a configured PLC tag or data block.
Verify the tag address in WinCC flexible matches the actual PLC data structure. Check PLC program for correct DB or variable definitions.
Event ID: 50000: Internal device error or system fault detected within the HMI panel hardware.
Perform a power cycle. If the fault persists, perform a factory reset via the Start Center and re-transfer the project. Contact Siemens support if unresolved.
Event ID: 70000: Alarm buffer overflow; the number of pending alarms exceeds the panel's alarm buffer capacity.
Acknowledge and clear active alarms. Review the alarm configuration in WinCC flexible to reduce simultaneous alarm load or increase buffer size settings.
Event ID: 110000: Recipe data error; a recipe record cannot be read from or written to the configured storage location.
Check available memory on the panel or external storage device. Verify recipe configuration in WinCC flexible and re-transfer if necessary.
Event ID: 120000: Backup/restore error; a project backup or restore operation has failed.
Ensure sufficient free memory is available. Retry the backup or restore operation. Check the integrity of the storage medium being used.

Frequently Asked Questions

Which engineering software is required to configure the OP 177B (6AV6355-1FA00-0DM5)?

The OP 177B is configured using Siemens WinCC flexible 2005 or later versions. Projects are compiled and transferred to the panel via MPI, PROFIBUS DP, or Ethernet connection.

Which Siemens PLC families are compatible with this panel?

The OP 177B is compatible with SIMATIC S7-200, S7-300, and S7-400 PLCs via MPI or PROFIBUS DP interfaces, and also supports Ethernet-based communication to compatible controllers.

What is the front panel protection rating of the 6AV6355-1FA00-0DM5?

The front face of the OP 177B is rated IP65, providing protection against dust ingress and low-pressure water jets. The rear of the unit is rated IP20.

Does the OP 177B support recipe and alarm management functions?

Yes, the OP 177B supports alarm management, recipe handling, trend displays, and user administration functions, all configurable through WinCC flexible engineering software.

What communication interfaces are available on this panel?

The 6AV6355-1FA00-0DM5 provides MPI/PROFIBUS DP and Ethernet (RJ45) communication interfaces for PLC connectivity and project transfer.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the panel's power connector. Check for correct polarity. Inspect the internal fuse if accessible.

Ensure the power supply provides a stable 24 V DC within the specified tolerance. Replace the power supply or internal fuse if faulty. If the display backlight has failed, the backlight unit may require replacement.

Panel displays 'No connection to PLC' or communication error on startup

Check the MPI/PROFIBUS DP or Ethernet cable connections at both the panel and PLC ends. Verify the bus address and baud rate settings in the HMI project match the PLC configuration.

Re-seat all communication connectors. Correct any address or baud rate mismatches in WinCC flexible and re-transfer the project. Replace the communication cable if damaged.

Touchscreen or function keys are unresponsive

Check whether the panel is in transfer mode or Start Center mode, which may disable normal operation. Verify the project has been successfully loaded onto the device.

Exit transfer mode via the Start Center and restart the panel with a valid project loaded. If keys remain unresponsive, perform a factory reset and re-transfer the project. Hardware key failure may require panel repair or replacement.

Panel repeatedly restarts or crashes during operation

Check the supply voltage stability under load. Review the active alarm log for system event codes indicating memory or configuration errors. Verify the project was compiled without errors.

Stabilize the power supply and eliminate voltage fluctuations. Re-compile and re-transfer the WinCC flexible project. If the issue persists, perform a factory reset via the Start Center and reload the project from a known-good backup.

Project transfer fails when connecting via Ethernet or MPI

Verify the IP address or MPI address configured in WinCC flexible matches the panel's current network settings. Check that the PC and panel are on the same network subnet for Ethernet transfers.

Access the panel's Start Center to confirm and correct the network or MPI address settings. Disable firewall software on the engineering PC that may block the transfer. Use a direct cable connection to eliminate network switch issues.

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