Keyence KV-L20V Expansion Serial Interface Module

Expansion serial communication module designed to add RS‑232C and RS‑422/485 serial interfaces to Keyence KV‑series PLC systems, enabling communication with peripheral devices and external equipment. Manufacturer: Keyence Corporation Manufacturer country: Japan Product type: Expansion serial interface module Model: KV‑L20V Compatible PLC series: Keyence KV‑series PLCs Function: Serial communication expansion Supported interfaces: RS‑232C and RS‑422 / RS‑485 Communication ports: 1 serial port Connector type: D‑sub 9‑pin (DE‑9) Communication mode: Half‑duplex / full‑duplex (protocol dependent) Supported protocols: No‑protocol mode, PLC link, Modbus RTU (PLC dependent) Transmission speed: Programmable baud rate (up to typical industrial limits) Data format: Configurable data bits, stop bits, and parity Isolation: Electrical isolation between communication and PLC logic Status indicators: LED indicators for RUN, ERR, SEND, and RECEIVE Mounting type: Snap‑on PLC expansion mounting Housing material: Industrial flame‑retardant plastic Power supply: Supplied internally from PLC backplane Current consumption: Low power, PLC bus‑powered Operating temperature range: 0 °C to +55 °C Operating environment: Industrial control panels Certifications: CE marked Application use: Communication with HMIs, barcode readers, drives, instruments, and serial devices Programming configuration: Set via PLC software environment Maintenance role: Plug‑in expansion module Industry usage: Factory automation, machine control, process automation Product status: Standard Keyence PLC expansion module Please review pictures carefully and let us know if you have any questions!