Siemens 6AV6355-1CA47-7CB1 OP 177B

€ 2.495,00

SKU: 6AV6355-1CA47-7CB1 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6355-1CA47-7CB1 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 operator panel for process visualization and control. As part of the SIMATIC HMI family, it integrates seamlessly into Siemens automation environments and is configured using WinCC flexible engineering software.

The OP 177B features a 5.7-inch STN display and supports both MPI and PROFIBUS DP communication interfaces, enabling direct connection to SIMATIC S7 PLCs without additional hardware. It includes an integrated Ethernet interface for network connectivity and remote access, along with USB ports for data transfer and peripheral connection. The panel offers configurable function keys, a numeric keypad, and supports recipe management, alarm logging, and trend displays. It operates on a 24 V DC supply and is built to withstand industrial environments with an IP65 front panel protection rating.

The OP 177B is widely deployed in manufacturing, process automation, and machine building industries where a compact, reliable operator interface is required. It is commonly found on packaging machines, conveyor systems, injection molding machines, and general-purpose industrial machinery. Its 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
Display Resolution	320 x 240 px (QVGA)
Input/Operating Voltage	24 V DC
Power Consumption	Max. 12 W
Communication Interface	MPI, PROFIBUS DP, Ethernet (RJ45), USB
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
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: Configuration error detected during startup; the loaded project is incompatible with the panel firmware version.
Re-transfer the project using a compatible version of WinCC flexible. Ensure firmware and project versions match.
Event ID: 20000: Communication error on MPI/PROFIBUS DP interface; connection to the PLC has been lost or cannot be established.
Check MPI/PROFIBUS cable connections, verify bus termination resistors are correctly placed, and confirm PLC address settings in the project configuration.
Event ID: 40000: Tag read/write error; the HMI panel cannot access a configured PLC tag or data block.
Verify the PLC program contains the referenced data blocks and tags. Check that the PLC is in RUN mode and the communication address is correct.
Event ID: 50000: Recipe data error; a recipe record could not be read from or written to the PLC or internal memory.
Check recipe configuration in WinCC flexible. Verify sufficient internal memory is available and that PLC data areas are correctly mapped.
Event ID: 60000: System memory low warning; available internal memory for runtime data is critically low.
Delete unused alarm logs, recipe data, and historical data from the panel. Consider archiving data to an external USB device.
Event ID: 70000: Firmware update error; the firmware transfer to the panel was interrupted or the firmware file is corrupted.
Restart the firmware update procedure using the correct firmware file via ProSave or WinCC flexible. Ensure stable power supply during the update.
Event ID: 80000: Printer communication error; the panel cannot communicate with the configured printer.
Check printer cable connections and verify printer driver settings in the project configuration. Confirm the printer is powered on and online.

Frequently Asked Questions

Which engineering software is required to configure the OP 177B (6AV6355-1CA47-7CB1)?

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

Which Siemens PLCs are compatible with this operator panel?

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

What is the supply voltage for the 6AV6355-1CA47-7CB1?

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

Can the OP 177B be used for remote monitoring via Ethernet?

Yes, the integrated Ethernet interface allows the panel to be connected to a network for remote access and data exchange, subject to project configuration in WinCC flexible.

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 installation in environments where dust and water spray may be present.

Troubleshooting

Display remains blank after power on

Check the 24 V DC supply voltage at the power connector. Verify that the supply is within the specified range and that the internal fuse is intact.

Restore correct supply voltage. If the display remains blank with correct voltage, the internal power supply or backlight may be faulty and the unit should be sent for repair or the backlight replaced.

Panel fails to communicate with the PLC via PROFIBUS DP

Verify PROFIBUS cable connections and check that bus termination is correctly applied at both ends of the bus. Confirm the panel and PLC addresses are correctly configured in the WinCC flexible project.

Correct any wiring faults, apply proper bus termination, and re-transfer the project with the correct communication parameters. Replace the PROFIBUS cable if continuity tests fail.

Touchscreen does not respond or responds inaccurately

Check for physical damage to the touch surface. Attempt a touchscreen recalibration from the panel's Start Center or Control Panel menu.

Perform a touchscreen calibration using the built-in calibration tool. If calibration does not resolve the issue, the touch foil or controller hardware may need replacement.

Project transfer fails via Ethernet or USB

Verify that the correct IP address or COM port is configured in WinCC flexible transfer settings. Check that the panel is in Transfer mode and that no firewall is blocking the connection.

Set the panel to Transfer mode via the Start Center, confirm network or USB settings, and retry the transfer. Reinstall the WinCC flexible communication drivers on the engineering PC if necessary.

Alarm messages are not displayed or alarm log is not updating

Check the alarm configuration in the WinCC flexible project. Verify that the PLC tags linked to alarm triggers are being updated and that the alarm log storage location has sufficient free space.

Correct alarm tag mappings in the project and re-transfer. Clear the alarm log if storage is full, or redirect logging to an external USB device with adequate capacity.

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