Siemens 6AV6321-1CA04-0CY0 SIMATIC HMI TP 170B

Name: Siemens 6AV6321-1CA04-0CY0 SIMATIC HMI TP 170B
Brand: Siemens
SKU: 6AV6321-1CA04-0CY0
Price: 1995.00 EUR
Availability: InStock

€ 1.995,00

Condition

Clear

SKU: 6AV6321-1CA04-0CY0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6321-1CA04-0CY0 is a Touch Panel operator interface belonging to the SIMATIC HMI TP 170B series, manufactured by Siemens. It is a 5.7-inch TFT touch panel designed for machine-level human-machine interface applications, providing operators with a graphical interface for monitoring and controlling industrial processes. This unit is part of the SIMATIC HMI 170 series, which was developed for compact and cost-effective panel integration.

The TP 170B features a 5.7-inch STN color display with a resolution of 320 x 240 pixels (QVGA) and supports touch-based input via a resistive touchscreen. It is powered by 24 V DC and communicates via an MPI/PROFIBUS DP interface, enabling direct connection to SIMATIC S7 PLCs. The panel includes 512 KB of user memory for project data and is configured using WinCC flexible software. It operates within a temperature range of 0 °C to 50 °C and carries CE and UL certifications.

The SIMATIC TP 170B is widely used in machine building, packaging machinery, conveyor systems, and general factory automation where a compact, touch-operated HMI is required. Its compatibility with the SIMATIC S7 controller family makes it a natural fit for installations already using Siemens automation infrastructure. The panel's rugged construction and IP65 front protection rating make it suitable for industrial environments with dust and splash water exposure.

Technical Specifications

Display Size	5.7 inch
Display Type	STN color TFT
Display Resolution	320 x 240 pixels (QVGA)
Touch Technology	Resistive touchscreen
Input Voltage	24 V DC
Power Consumption	Max. 6 W
Communication Interface	MPI / PROFIBUS DP (RS-485)
User Memory	512 KB
Operating Temperature	0 °C to 50 °C
Storage Temperature	-20 °C to 60 °C
IP Rating (Front)	IP65
IP Rating (Rear)	IP20
Mounting	Panel mounting
Certifications	CE, UL
Configuration Software	WinCC flexible

Common Error Codes & System Events

Event ID: 10000: Communication error between HMI panel and PLC. The connection to the configured controller has been lost or cannot be established.
Check MPI/PROFIBUS DP cable connections and termination resistors. Verify PLC address settings match the HMI project configuration. Restart both devices if necessary.
Event ID: 10001: Connection to PLC established. This is an informational event indicating successful communication link.
No action required. Verify the correct project is loaded and the PLC program is running as expected.
Event ID: 40000: Project download error. The project transfer from the configuration PC to the HMI panel failed or was interrupted.
Check the transfer cable connection. Ensure WinCC flexible is set to the correct transfer mode and the panel is in transfer mode. Retry the download.
Event ID: 50000: System memory low. Available memory for runtime operation is insufficient.
Reduce the project size by removing unused screens, tags, or graphics. Ensure no unnecessary background tasks are running on the panel.
Event ID: 20000: Tag read/write error. A configured tag could not be read from or written to the PLC.
Verify the tag address in the WinCC flexible project matches the actual PLC data block or memory address. Check PLC program for address conflicts.
Event ID: 70000: Operating system error. An internal system fault has occurred on the HMI panel.
Perform a panel restart. If the error persists, reload the operating system using the ProSave tool and re-download the project.
Event ID: 60000: Backup/restore error. A backup or restore operation of the panel data failed.
Check the storage medium (memory card) for errors or incompatibility. Ensure sufficient free space is available and retry the operation.

Frequently Asked Questions

Which PLC families are compatible with the TP 170B (6AV6321-1CA04-0CY0)?

The TP 170B is primarily designed for use with Siemens SIMATIC S7-200, S7-300, and S7-400 PLCs via MPI or PROFIBUS DP. It can also communicate with S7-200 via PPI protocol.

What software is used to configure and program the TP 170B?

The TP 170B is configured using Siemens WinCC flexible software. Projects are transferred to the panel via a PC/PPI or MPI cable, or via PROFIBUS DP.

What is the front protection rating of this panel?

The front panel of the TP 170B carries an IP65 protection rating, making it resistant to dust ingress and low-pressure water jets, suitable for most industrial enclosure installations.

Can the TP 170B display color graphics?

Yes, the TP 170B features an STN color display capable of rendering color graphics, though the color depth is limited compared to later TFT-based HMI panels in the SIMATIC range.

What is the supply voltage for the 6AV6321-1CA04-0CY0?

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

Troubleshooting

Display remains blank after power on

Check that 24 V DC is present at the power supply terminals. Measure voltage at the panel connector to confirm supply is within tolerance. Inspect internal fuse if accessible.

Restore correct 24 V DC supply. If voltage is correct and display remains blank, the backlight or internal power board may be faulty and the unit should be sent for repair or the backlight replaced.

HMI shows 'No connection to PLC' or communication error event

Verify MPI or PROFIBUS DP cable is correctly connected and terminated at both ends. Check that the PLC address configured in the WinCC flexible project matches the actual PLC station address.

Correct any address mismatches in the project configuration. Replace or reseat the communication cable. Ensure bus termination resistors are active only at the two physical ends of the bus segment.

Touchscreen does not respond or responds inaccurately

The resistive touchscreen may be miscalibrated or the touch surface may be damaged. Access the panel's system settings to check calibration status.

Perform a touchscreen recalibration via the panel's system menu. If calibration does not resolve the issue, inspect the touch overlay for physical damage and replace if necessary.

Project download fails during transfer from PC

Confirm the panel is set to transfer mode. Check the communication cable between PC and panel. Verify that the WinCC flexible project version is compatible with the panel firmware version.

Switch the panel to transfer mode manually via the start center. Use a known-good transfer cable. Update the panel operating system using ProSave if firmware incompatibility is suspected, then retry the download.

Panel repeatedly restarts or freezes during operation

This may indicate corrupted project data, a memory fault, or an unstable power supply. Check the supply voltage for ripple or drops under load.

Re-download the project to the panel using WinCC flexible. If the issue persists, restore the panel operating system using ProSave and reload the project. Verify the 24 V DC power supply is stable and adequately rated.

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