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v10.0.1.x for R2026a
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IO50X/IO581

IO50X/IO581 — The IO50X/IO581 I/O modules are serial modules supporting RS232/422/485 protocols

Introduction

The following table indicates the number of channels, oscillator frequency, baud rates and buffer sizes for each modules:

I/O ModuleChannelsProtocolsAvailable Oscillator FrequenciesBaud RateHardware Buffer size
IO5034RS232/422/485

44.2368 MHz (Default)

33 MHz

40 MHz

48 MHz

50 MHz

Up to 920 kb/s (RS232) and 5.5296 Mb/s (RS422/485)64 bytes
IO5048
IO5054 (galv. isolation)
IO5814125 MHzUp to 1 Mb/s (RS232) and 10 Mb/s (RS422/485)256 bytes

Please note that the actual achievable baud rate depends on the oscillator frequency of the hardware. The selected baud rates must be a divisor of the oscillator frequency. Note that the divisor must be an integer for the I/O modules IO503,IO504 and IO505.

Driver Blocks

Pin Mapping

Usage Notes

Examples