Keyence KV-XL402 / KV-XL202 are 2 KEYENCE latest serial communication modules with outstanding features compared to older models like KV-L21V / KVL20V
The KV-XL402 supports 2 ports (RS-422A / 485 × 2)
KV-XL202 supports 2 ports (RS-232C × 2)

The KV-XL402 / KV-XL202 User Manual consists of 15 chapters
- Chapter 1: CONFIGURATION & SPECIFICATIONS
- Chapter 2: UNIT INSTALLATION AND MAINTENANCE
- Chapter 3: ACCESS WINDOW OPERATION
- Chapter 4: MONITOR
- Chapter 5: PROGRAMMING THE KV HOST LINK MODE
- Chapter 6: OPERATIONS IN THE KV STUDIO MODE
- Chapter 7: PROTOCOL STUDIO MODE OPERATION
- Chapter 8: PROGRAMMING IN LINK MODE
- Chapter 9: PROGRAMMING IN PROTOCOL MODE
- Chapter 10: PROGRAMMING THE NONPROCEDURE MODE
- Chapter 11: MODBUS SLAVE MODE
- Chapter 12: PLC LINK MODE
- Chapter 13: X-UNIT FUNCTION
- Chapter 14: FUNCTION BLOCK
- Chapter 15: FLOW

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