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X21

Isolated 3CH RS485/RS232 + 1CH CAN Bus Module

Expansion I/O boards (X and Y series)

X21 is an industrial-grade 3-channel serial port and 1-channel CAN Bus module specifically designed to expand the capabilities of the ARMxy series Single Board Computer. It features electrical isolation, significantly enhancing the performance of the ARMxy series ARM Single Board Computer.The X21 serial port module supports baud rates from 2400bps to 230400bps and Full-duplex / Half-duplex communication modes.

ARMxy X Series I/O Board Selection
ModelRS232/RS485CANDIDOGPIOPIN
X102××××6PIN
X11×2×××6PIN
X1211×××6PIN
X13××22×6PIN
X14××4××6PIN
X15×××4×6PIN
X16××××46PIN
X204××××10PIN
X2131×××10PIN
X2222×××10PIN
X234×44×20PIN
X243144×20PIN
X252244×20PIN
X262×84×20PIN
X271184×20PIN
X282×12××20PIN
X291112××20PIN
X30××××1620PIN
Supply information
ManufacturerBLIIoT — Beilai Technology Co., Ltd.
Model codeX21
Full nameX21 | Isolated 3CH RS485/RS232 + 1CH CAN Bus Module
CategoryExpansion I/O boards (X and Y series)
Supplied in Korea byACUSYS Co., Ltd. · Official BLIIoT distributor in Korea
CompatibleHosts

X21 Compatible hosts

6 models
BL3302×A7 T113-i Industrial ARM Based Edge ComputerBL350TI Sitara AM62x Industrial Computer with PRU-ICSSBL3604×A53 i.MX8M Mini Industrial ARM Embedded ComputerBL370RK3562 Industrial Computer with 1TOPS NPU and 58,302 I/O CombosBL410RK3568 Industrial ARM Controller with 1TOPS NPUBL4406TOPS NPU AI Edge Controller with 8K Video

X boards are for the ARMxy series only. They fit only if the host slot has the matching pin count. I/O board selection guide →

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