---
lang: "en"
title: "MODBUS RTU Module 4 Digital Inputs"
sku: "RESI-4DI-SIO"
canonical_url: "https://shop.marcomweb.it/en/modbus/modbus-rtu-module-4-digital-inputs"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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RESI-4DI-SIO: ultra-slim IO module, 1MU, module with 4 digital inputs for 12-48V= signals, RS232+RS485, MODBUS/RTU+ASCII slave, 12-48V DC

Ultra-slim MODBUS/RTU module with 4 digital inputs for 12-48Vdc signals, communication with host: via RS232 or RS485 with MODBUS/RTU slave protocol or ASCII text, host baud rate: 300-256000Bd, no parity, even or odd, 8 data bits, 1 or 2 stop bits, module configuration and testing via our free LIBRE OFFICE (R) based configurator software or with our free PC software MODBUS configurator.

## Technical Features 

- Type: Slim input/output module
- MODBUS/RTU slave protocol and ASCII text
- 4 digital inputs for DC signals ≦48V=, 1xRS232, 1xRS485
- Baud rate: 2400-115200bd
- Parity: none, even or odd
- Data bits: 8
- Stop bits: 1 or 2
- Housing: dimensions (LxWxH): 17.5x90x58mm, 1 UM
- Power supply 12-48V=
- TARIC number: 8538 90 91
- Certification: CE

 

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Source: https://shop.marcomweb.it/en/modbus/modbus-rtu-module-4-digital-inputs

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