---
lang: "en"
title: "1 relay output, RS232+RS485, MODBUS/RTU+ASCII slave"
sku: "RESI-1RO-SIO"
canonical_url: "https://shop.marcomweb.it/en/modbus/1-relay-output-rs232rs485-modbusrtuascii-slave"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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RESI-1RO-SIO MODBUS/RTU or ASCII module for controlling 1 relay output with changeover contacts for 250Vac or 30Vdc with max.

MODBUS/RTU or ASCII module for controlling 1 relay output with changeover contacts for 250Vac or 30Vdc with max. 8A via serial bus, Host communication: via RS232 or RS485 with simple ASCII strings or MODBUS/RTU slave protocol, Host baud rate: 9600, 19200, 38400 or 57600Bd, no, even or odd parity, 8 data bits, 1 stop bit, the relay output has changeover contacts and is galvanically isolated, Relay output: contact material: AgNi with Au coating, resistive load: with 250Vac, max. 8A, with 30Vdc, max. 8A, maximum switching power: with 250Vac 2000VA, with 30Vdc 240W, maximum switching voltage: 250Vac or 125Vdc with 0.2A, Module configuration and testing with the free PC software MODBUS configurator. 

## Technical Features

- Type: Slim input/output module
- MODBUS/RTU slave protocol and ASCII text
- 1 relay output
- Contact material: AgSnO2 , ≦30V=, ≦250V~, ≦8A
- 1 x RS232, 1 x RS485
- 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/1-relay-output-rs232rs485-modbusrtuascii-slave

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