16-channel relay output module Modbus RTU unit 220V 5A contact capacity equipment RS485 | Обустройство дома

16-channel relay output module Modbus RTU unit 220V 5A contact capacity equipment RS485 | Обустройство дома

Model: RTU-328A

DO: 16 (normally open relay)

RS232: 1

RS485: 1

MODBUS-RTU protocol: support

note

1. Please disconnect the input power before installation and wiring!

2. Please confirm whether the wiring is correct before powering on!

3. Do not operate in an flammable and explosive environment!

4. Please operate within the specified voltage range!

Wiring diagram

Module overview

This product is widely used in various industries such as building, HVAC, fire protection, water supply, petrochemical, environmental protection, etc. It is adopted by most system integrators, automation companies, and research institutes. It is a stable and reliable data acquisition module with a very high character ratio.

1. Support PLC;

2. Support configuration software;

3. Support RS232, RS485 interface, Modbus protocol touch screen, text screen;

4. Support all standard Modbus equipment online communication;

Applications

System parameters

CPU: 32-bit ATMEL ARM high-speed processor, 72MHZ

Operating system: GCOS, 10ms scheduling mechanism

Power supply voltage: 7-35VDC @2W, power supply reverse connection protection, isolation design

Communication interface: DCDC isolation design, 2500V lightning protection, ESD, overvoltage, overcurrent protection

Dimensions: 155L x 95W x 39H (mm)

Installation method: screw fixation or rail installation

Environmental indicators: -40～85℃, 5%～95%RH non-condensing, IP20 protection

Hardware watchdog: 1.5-second hardware watchdog protection system

Channel isolation: 2500VDC isolation, anti-interference protection design

RS485/RS232

Number of channels: 1 RS485 1 RS232

Baud rate: 1200～115200, the default is 9600

Parity check: odd check, even check, no check

Start bit: 1 bit

Data bits: 8 bits

Stop bits: 1, 2 bits

Communication protocol: MODBUS RTU

Default parameters: 9600.N.8.1, station number: 1

1. Address: 1-254;

2. Module type: select the I/O module type;

3. Protocol type:

    a. Standard MODBUS RTU communication protocol;

    b. Other options: keep unused;

DO relay output

Modbus address: 00001-00016, function code 05, 15

Output mode: normally open relay 5A/220VAC/30VDC

Isolation design: optocoupler isolation + relay isolation

Response time: ≤0.01 seconds

Mechanical life: rated 20 million times

Wiring method：

Detection scheme：

1. Open "Module Test Software.exe"

2. Control the opening and closing of each relay

3. There will be corresponding indicator lights dimmed and brightened

LED indicator

POWER light: display power status

RUN light: module running indicator, flashing once per second

485 light: RS485 sending data indication

232 light: RS232 sending data indication

IO light: Each digital IO has a corresponding indicator light

Reset method

Long press the reset button for 10 seconds, the module will automatically restore the factory value, and then restart the module power supply, it can work normally