
Siemens 6AV6355-1CA47-7BB5 OP 177B
€ 1.995,00
The Siemens 6AV6355-1CA47-7BB5 is an operator panel belonging to the OP 177B series within Siemens' SIMATIC HMI product line. This unit serves as a human-machine interface device designed for machine-level visualization and control tasks. It features a color display and is engineered to integrate seamlessly with Siemens SIMATIC S7 and other compatible controller families.
The OP 177B 6AV6355-1CA47-7BB5 is equipped with a 5.7-inch STN color display and supports both touch and key-based operation, providing flexible interaction options for operators. It communicates via MPI, PROFIBUS DP, and Ethernet interfaces, enabling integration into a wide range of automation network architectures. The panel runs on the WinCC flexible runtime environment and offers sufficient onboard memory for storing project data, recipes, and alarm logs. It operates on a 24 V DC supply and is rated to IP65 on the front panel, making it suitable for industrial enclosure mounting.
The OP 177B is commonly deployed in manufacturing, packaging, and process automation environments where reliable machine-level HMI functionality is required. It is well suited for applications such as conveyor control, machine tool interfaces, and assembly line monitoring. Its compact form factor and robust front-panel protection make it appropriate for panel mounting in industrial cabinets and control desks.
Technical Specifications
| Display Size | 5.7 inch |
|---|---|
| Display Type | STN color |
| Display Colors | 256 colors |
| Display Resolution | 320 x 240 px (QVGA) |
| Touch Technology | Touch screen and membrane keys |
| Input/Operating Voltage | 24 V DC |
| Power Consumption | Max. 15 W |
| Communication Interface | MPI, PROFIBUS DP, Ethernet (RJ45) |
| IP/Protection Rating | IP65 (front panel) |
| Operating Temperature | 0 °C to +50 °C |
| Storage Temperature | -20 °C to +60 °C |
| Relative Humidity | 10 % to 90 %, non-condensing |
| Mounting | Panel mounting |
| Series/Product Family | SIMATIC HMI OP 177B |
| Certifications | CE, UL, cULus |
Common Error Codes and System Events
- Event ID: 10000
- Configuration error detected during startup; project data may be corrupted or incompatible with the firmware version.
Re-transfer the project from WinCC flexible to the panel. Ensure the WinCC flexible version matches the panel firmware version. - Event ID: 10001
- No project found on the device; the panel has started without a valid runtime project.
Transfer a valid WinCC flexible project to the panel using the appropriate transfer connection (MPI, PROFIBUS, or Ethernet). - Event ID: 20000
- Communication error with the configured PLC or controller; connection to the S7 controller has been lost.
Check MPI or PROFIBUS cabling and termination resistors. Verify PLC address settings match the HMI project configuration. - Event ID: 20001
- Tag read/write error; the HMI is unable to access one or more configured PLC tags.
Verify the PLC program is running and the tag addresses in the HMI project are correct. Check network connection integrity. - Event ID: 40000
- Internal device error; a hardware fault has been detected within the panel.
Perform a power cycle. If the error persists, perform a factory reset via the Control Panel and re-transfer the project. Contact Siemens support if unresolved. - Event ID: 50000
- Flash memory write error; data could not be saved to the internal flash storage.
Check available storage space on the device. Delete unnecessary files or recipes. If persistent, the internal flash memory may require replacement. - Event ID: 60000
- Firmware update error; the firmware transfer to the panel was interrupted or the firmware file is invalid.
Retry the firmware update using ProSave or WinCC flexible. Ensure the correct firmware version for the OP 177B is used and the connection is stable during transfer.
Frequently Asked Questions
What communication interfaces does the OP 177B 6AV6355-1CA47-7BB5 support?
The panel supports MPI, PROFIBUS DP, and Ethernet (RJ45) interfaces, allowing connection to a wide range of Siemens SIMATIC S7 controllers and other compatible devices.
What software is used to configure and program this HMI panel?
The OP 177B is configured using Siemens WinCC flexible. Projects are created on a PC and transferred to the panel via MPI, PROFIBUS, or Ethernet.
What is the supply voltage for this panel?
The 6AV6355-1CA47-7BB5 operates on a 24 V DC supply voltage.
Is this panel compatible with Siemens S7-300 and S7-400 PLCs?
Yes, the OP 177B is designed to communicate directly with Siemens SIMATIC S7-300 and S7-400 PLCs via MPI or PROFIBUS DP, and also supports S7-200 via specific communication drivers.
What is the front panel protection rating of this unit?
The front panel of the OP 177B is rated to IP65, providing protection against dust ingress and low-pressure water jets, making it suitable for industrial panel mounting.
Troubleshooting
Display remains blank after power on
Measure the 24 V DC supply voltage at the power connector on the rear of the panel. Check that the supply is within the specified tolerance range.
Ensure the 24 V DC supply is stable and correctly wired. If the supply is correct and the display remains blank, the internal power supply board or backlight may be faulty and require replacement.
HMI panel fails to communicate with the PLC
Check the MPI or PROFIBUS cable connections and verify that bus termination resistors are correctly placed at both ends of the network. Confirm the PLC address and baud rate settings match those configured in the WinCC flexible project.
Correct any wiring faults, replace damaged cables, and ensure address and baud rate settings are consistent across all network nodes. Restart both the PLC and the HMI panel after making changes.
Touchscreen does not respond or responds inaccurately
Check for physical damage or contamination on the touch surface. Access the Control Panel on the HMI and run the touchscreen calibration utility.
Clean the touch surface with a soft, dry cloth. Perform a touchscreen recalibration via the Control Panel. If the issue persists, the touch overlay may be damaged and require replacement.
Project transfer from PC to panel fails
Verify the transfer cable and interface settings in WinCC flexible match the physical connection being used (MPI, PROFIBUS, or Ethernet). Ensure the panel is set to Transfer mode via the Control Panel.
Set the panel to Transfer mode manually if auto-transfer is not enabled. Check and replace the transfer cable if faulty. Confirm the PC network or MPI adapter settings are correctly configured.
Panel repeatedly restarts or shows a boot loop
This may indicate a corrupted project or firmware on the device. Attempt to access the Control Panel during startup by pressing the appropriate key combination to interrupt the boot sequence.
Perform a factory reset using the Control Panel loader menu and re-transfer the project. If the boot loop continues, update or re-flash the firmware using ProSave to restore the panel to a stable state.
| Condition | Repair, Used, Refurbished, New in box (sealed) |
|---|
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