InHand Networks InDTU324

The InDTU324 cellular modem provides wireless data communications between field serial devices and the central control system to enable remote control of industrial field sites.

Featuring rugged design, small form factor, high reliability and easy-to-use features, the InDTU324 is ideal for M2M and IoT applications including distribution automation, smart metering, water & wastewater, heating, street light monitoring and etc. It is available with LTE CAT 4, CAT M1, CAT NB1, and EGPRS globally.


Industrial Design

• Small form factor
• Wide operating temperature: -40�‹C~70�‹C
• Wide voltage input: 5~35VDC
• Metal housing, IP30 protection
• Compact-sized, easy to fit and integrate
• CE, FCC certified

Highly-reliable Wireless Communications

• Self-recovery: embedded watchdog, self recover from faults, ensuring normal operation of the device
• Link redundancy: SMS and 4G/3G/GPRS link mutual backup to ensure continuous data transmission
• Link detection: multi-layer link detection mechanisms including PPP layer heartbeat, ICMP detection, TCP Keepalive and application layer heartbeat, keeping wireless connection "always on"

Easy and Flexible to Manage

• Support configuration software login via local serial port
• Support RTOOL remote configuration over TCP/IP
• Support remote batch management via InHand Device Manager cloud
• Support SMS configuration

Rich Functions for Intelligent Solutions

• Modbus RTU/Modbus TCP protocol conversion for industrial SCADA systems and field devices
• Support IEC101/IEC104 conversion (coming soon)
• Support transparent TCP/UDP protocol
• Support InHand DC protocol
• Support user-defined TCP/UDP hearbeat and login data
• Support multi-center, 1-5 centers

Specifications

Network Connection


Internet Access
APN, VPDN

Authentication
CHAP/PAP

Network Type
4G/3G/GPR



Network Protocol


Network Protocol
Ping, DNS, transparent TCP/UDP, InHand DC TCP/DC UDP, user-defined login/heartbeat data packet

Protocol Conversion
Modbus RTU/TCP protocol conversion



Network Security


Multi-level Authorization
User levels: administrator, maintenance staff

Certification Security
Supports login security certification



Reliability


Reliable Upgrade
Patent upgrade mechanism, ensures reliable upgrade

Link Connection Detection
Sends heartbeat packet detection, auto connect once disconnected

Embedded Watchdog
Device operation self-detection technology, and self-recovery from operation faults



Network Management


Configuration Method
Local serial port, RTool, InHand Device Manager, SMS (InDTU324L only)

Configuration Backup
Supports import and export of configuration files

Upgrade Method
Patent upgrade mechanism, upgrade firmware through local serial port or remotely

Log
Supports local and remote viewing of logs, facilitate engineers to check device operating status

Dial-on-Demand
Data activation, timed on/off, SMS activation (depends on the carrier's platform), phone activation (InDTU324L only)

Network Management
Supports InHand Device Manager remote central management



Interface


Serial Port
2 x Logic serial ports:
Serial port 1: RS-232/485 (Optional)
Serial port 2: RS-232

RS-232 signal: TXD, RXD, GND

RS-485 signal: 485+, 485-, GND

10 PIN industrial terminal, 3.5mm pitch

SIM Card Slot
1.8V/3V, drawer-type slot

Antenna
50Ħ / SMA x 1



Mechanical Properties


Installation
Wall-mounting

Protection
IP30

Cooling
Fanless

Housing
Metal



Power Supply


Power Input
DC5-35V

Power Interface
Pluggable industrial terminal connection

Polarity Reverse Protection
Supported

Overload Protection
Supported

Consumption (@12V)
InDTU324L: 12mA (Standby), 50mA (Working), 200mA (Starting), 200mA (Starting)
InDTU324N: 15mA (Standby), 25mA (Working), 200mA (Starting), 200mA (Starting)



Environment


Operating Temp.
-40 ~ 70�Ž

Storage Temp.
-40 ~ 85�Ž

Ambient Humidity
5 ~ 95% (non-condensing)



LED Indicators


LED
POWER, SIM, STATUS



EMC Index


Static
EN61000-4-2, level 2

Surge
EN61000-4-5, level 2

Shock Wave Immunity
EN61000-4-12, Level 2



Certifications


CE

Order Information

InDTU324LQ25-232	Europe and Asia Pacific -LTE CAT4 LTE FDD: B1/B3/B7/B8/B20/B28A WCDMA: B1/B8 GSM: B3/B8 RS-232, single SIM
InDTU324LQ25-485	Europe and Asia Pacific -LTE CAT4 LTE FDD: B1/B3/B7/B8/B20/B28A WCDMA: B1/B8 GSM: B3/B8 RS-485, single SIM