OMRON CS1W-SCB41-V1 SERIAL COMMUNICATIONS BOARD 1 X RS232 PORT 1 X RS422/485 PORT SUPPORTS PROTOCOL MACRO BACKUP FROM MEMORY CARD 

S1 - Our S1 designated products are new parts, never used, in original manufacturer packaging and may be an older date code, firmware, series or style. When purchasing S1 products, please verify series and firmware if applicable. All units will have been tested when required and consequently may not carry the original factory seal.een tested when required and consequently may not carry the original factory seal.