RDI511A

1. Introduction

1.1 Description

RDI511 is a DTU of RS485-4G independently developed by ManThink Technology Co Ltd,which can get data from several slave devices by RS485 and uploading data to platform through 4G network. It supports downlink passthrough and is easy to use. Customers can quickly deploy it as needed without any configration.

1.2 Applications

RDI511A is applicable to scenarios where there are several devices with RS485 and large data is needed to uploading frequently,such as the data collection of water and electricity meters.

1.3 Main features

Support 4G
Support for remote upgrade by FUOTA
Support heartbeat function
Supports transmission from RS-485 to 4G or from 4G to RS-485 pass-through
Support pop-up SIM card
Supports mqtt
Supports multiple power supply modes

1.4 product appearance

2. Charactoristics

2.1 Interface

Name	Defined
RS-485A	RS-485A
RS-485B	RS-485B
NC	Reserved Port
NC	Reserved Port
GND	GND
VOUT	3.3v output
GND	GND
+ 5V_IN	5V in
Power	12V in
Type-C	Power supply
SIM card slot	SIM CARD
4G antenna interface	connect 4G antenna
PWE	LED indicator for power,light on when it is powered on
RUN	LED indicator for system application run status. It blinks in one second when the system is running normally.
RX	LED indicator for RS485,It blinks when RDI511A is receiving data from RS485.
TX	LED indicator for RS485,It blinks when RDI511A is sending data to RS485.
BH	LED indicator for uplink or downlink,it will blink once when RDI511 sending data or receiving data by 4G.
4G	LED indicator for 4G module status,it will blink every 500 ms when the 4G module is searching network,and every 1s when connected to 4G network.

2.2 Electrical charactoristics

Operating voltage	DC 5V/12V
Operating temperature	-40℃ ~ 85℃
Working humidity	0%~95%RH
Protection level	IP53

2.3 Dimensions

Size:97mm * 90mm * 24mm

Network layer

Application layer