PMD388 – Digital I/O Modbus TCP/RTU Gateway

8x DI, 8x DO, Modbus TCP/RTU

OverviewSpecificationsInquiryDownload

Send commands over Modbus TCP/RTU to get Digital Input Status and trigger Digital Output

Modbus TCP Slave for DIO
Modbus RTU Slave for DIO
Web Setup
Web-based Control Digital I/O
8 x Digital Ouput
8 x Digital Input
Relay built inside

Hardware
CPU : ARM 32-bit CPU
RAM : 16M Bytes SDRAM
ROM : 8M Bytes Flash ROM

Ethernet
Port Type : RJ-45 Connector
Speed : 10/100 Mbps (Auto Detection)
Setup : HTTP Browser Setup ( IE & Chrome ), Console
Security : Setup Password
Protection : Built-in 1.5KV Magnetic Isolation

Serial Port
Port : RS422/485 x 1
Speed : 300 bps ~ 230.4K bps
Parity : None, Odd, Even, Mark, Space
Data Bits : 5, 6, 7, 8
Stop Bits : 1, 2
RS422 : Rx+, Rx-, Tx+, Tx- ( Surge & Over Current protection )
RS485 : Data+, Data- ( Surge & Over Current protection )
15KV ESD for all signals

Digital I/O
Digital Input x 8 Pins (Active High / Active Low Selective)
Dry Contact : Logic level 0 : close to GND , Logic level 1 : open
Wet Contact : Logic level 0 : 0~3 V , Logic level 1 : 10 ~ 30 V
Digital Output x 8 Pins ( Active High / Active Low Selective )
Relay 120VAC @ 10A , 240VAC @ 7A , 24VDC @ 10A

Software
Modbus TCP Slave for DIO
Modbus RTU Slave for DIO

USB ( Host x 1 Port ) For Memory Storage
SD Interface micro SD card ( Max 16G storage )
RTC Real Time Clock x 1
Buzzer x 1
Watch Dog Function
Power : DC12V~30V, 1000 mA. 1000mA@12V
LED Indicators : SYS ( PWR ), LAN, LED 1 (User Define), LED 2 (User Define)
Operating Temperature : 0 ~ +70 °C
Storage Temperature : -10 ~ +80 °C
Dimensions : 240 x 120 x 30 mm ( W x D x H )
Weight: 800 g
Warranty : 1 year

Remark
The RS232 connector have no function
DI-9 and DI-10 connector has no function

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    Downloads

    File Description File size
    pdf MODBUS TCP/RTU Protocol for 8DI8DO Modbus TCP/RTU Protocol for 8 Digital Inputs & 8 Digital Outputs
    750 KB
    pdf Http CGI commands for 8DI 8DO or 4DO Modbus Gateway Http CGI commands for 8DI 8DO or 4DO Modbus Gateway
    56 KB
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