Omron C500-PRW05-V1 PROM Writer for SYSMAC C-Series PLCs

The Omron C500-PRW05-V1 is a dedicated PROM (Programmable Read-Only Memory) writer designed for programming EPROM and EEPROM memory packs used with SYSMAC C-series programmable logic controllers. This programming device is essential for creating, backing up, and restoring PLC user programs stored on removable memory packs for C-series PLCs including the C20, C200H, C500, C1000H, and C2000H models. The C500-PRW05-V1 enables users to write user programs onto EPROM or EEPROM chips, providing non-volatile program storage that is retained even when the PLC battery fails or is removed.

Product Overview

The C500-PRW05-V1 is a PROM writer unit that connects directly to compatible PLC systems or programming consoles for programming memory packs. The unit is specifically designed for use with the SYSMAC C-series PLC families, which feature removable Memory Packs that store the user program. The PROM writer allows users to program these Memory Packs with user programs developed on a programming console or computer. The ability to program EPROM and EEPROM memory provides a permanent, non-volatile storage method for PLC programs that is immune to battery failure, making it an essential tool for legacy system maintenance.

Compatible PLC Systems

The C500-PRW05-V1 is compatible with multiple SYSMAC C-series PLC systems that use removable Memory Packs. Compatible models include the C20, C200H, C500, C1000H, and C2000H PLCs. These systems use Memory Packs that plug into the CPU unit for program storage. The PROM writer can be connected directly to the PLC's peripheral port or to a programming console (GPC) for program transfer. This wide compatibility makes the C500-PRW05-V1 a versatile tool for facilities that operate multiple C-series PLC models across their production lines.

Memory Pack Programming Capabilities

The PROM writer supports programming of EPROM (Erasable Programmable Read-Only Memory) and EEPROM (Electrically Erasable Programmable Read-Only Memory) chips installed in Memory Packs. EPROM memory provides permanent program storage that is not affected by power loss or battery failure, making it ideal for applications where program integrity is critical. EPROM chips can be erased with ultraviolet light and reprogrammed as needed. EEPROM memory offers the permanence of EPROM with the convenience of electrical erasure, eliminating the need for UV erasers. The C500-PRW05-V1 can program both memory types, providing flexibility for different application requirements.

PLC Program Backup and Restoration

The C500-PRW05-V1 is an essential tool for PLC program management in facilities using C-series PLCs. The device enables users to create backup copies of PLC programs on EPROM or EEPROM, protecting against program loss due to battery failure or accidental corruption. When a PLC program is finalized and proven in production, it can be written to EPROM to ensure that the program cannot be inadvertently modified and will be retained indefinitely. The PROM writer also allows multiple PLCs to be programmed with the same program by writing to multiple EPROM chips, reducing programming time for multi-machine installations.

Connection and Operation

The C500-PRW05-V1 connects directly to the peripheral port of compatible PLC systems or to a programming console. The PROM writer can be plugged directly into the following models: C20, C200H, C500, C1000H, and C2000H. It can also be connected to a GPC (Graphic Programming Console) via the peripheral port. For use with the PROM writer, appropriate EPROM chips must be installed in the Memory Pack. The programming process involves loading the user program into the PROM writer and writing it to the EPROM chip with verification to ensure data integrity.

Application in Legacy System Maintenance

The C500-PRW05-V1 remains relevant for facilities that continue to operate C-series PLCs. These legacy systems often run critical production processes where replacement is not economically justified, making the PROM writer an essential maintenance tool for program backup and restoration. When PLC battery failures cause program loss, the PROM writer enables rapid restoration of the user program from EPROM backup, minimizing production downtime. For facilities with multiple identical machines, the PROM writer allows efficient duplication of proven programs across all units.

Memory Pack Types and EPROM Selection

To use the C500-PRW05-V1, users must obtain appropriate EPROM chips for the Memory Pack. The specific EPROM type required depends on the PLC model and Memory Pack configuration. After programming, the Memory Pack containing the EPROM can be installed in the target PLC, where the program will be loaded automatically at power-up. The PROM writer includes verification functions that compare the programmed data with the original program source, ensuring that the EPROM was programmed correctly.

Programming Console Compatibility

The C500-PRW05-V1 can be used with various programming consoles and support tools. When using a PROM writer, data created by the Support Tool is sent to the PROM writer for programming. The settings for transfer to the PROM writer are displayed before data transfer, allowing operators to verify these settings before proceeding. After verifying that the PROM writer can receive the data, the user confirms the transfer to begin programming. This verification step prevents programming errors and ensures data integrity.

Comparison with C500-PRW06

The C500-PRW05-V1 is similar to the C500-PRW06 PROM writer model, which is also compatible with the same C-series PLC families. Both models serve the same basic function of programming EPROM and EEPROM memory packs. The -V1 designation indicates a specific version or revision of the PROM writer. Users should consult the appropriate documentation for their specific PROM writer model and PLC system to ensure compatibility and proper operation.

Conclusion

The Omron C500-PRW05-V1 PROM writer provides essential programming capabilities for EPROM and EEPROM memory packs used in SYSMAC C20, C200H, C500, C1000H, and C2000H PLCs. This device enables program backup, restoration, and distribution for legacy automation systems where permanent, non-volatile program storage is required.