Saturn Pyro Sdn Bhd
Johor Bahru Office
44 & 44A, Jalan Palma Rafis 1,
Taman Dato Chellam,
81800 Ulu Tiram,
Johor, Malaysia.

Shah Alam Office
K03-03-12, Tower 3,
UOA Business Park,
No 1, Jalan
Pengaturcara U1/51A,
Section U1, Kawasan
Perindustrian Temasya,
40150 Shah Alam,
Selangor, Malaysia.
Penang Office
Penthouse 1-21-1,
Suntech @ Penang Cybercity
Lintang Mayang Pasir 3,
11950 Bayan Baru,
Penang, Malaysia.

Singapore Office
Saturn Pyro Pte Ltd

101 Kitchener Road,
#02-42 Jalan Besar Plaza,
Singapore 208511
India Office
Saturn Pyro India

3, Gr Floor, Eishita,
Shiv Vallabh Cross Road,
Ashokvan, Dahisar (E.),
Mumbai 400068.
+91 22284 84682
+91 98191 56654

RAY-3 Modbus 3G Data Logger with Analog and Digital I/O

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RAY-3 Modbus 3G Data Logger with Analog and Digital I/O Data Communication

RAY-3 data logger is dedicated for measuring of analog (voltage, current, resistance) parameters, for tracking thesta- tusofdiscrete inputs, formation of discrete output signals, archiving and sending data to local users/server over RS232 or RS485 and to remote users/server over Ethernetor 3G (UMTS/HSPA+) using Modbus TCP/IP protocol.


  • Reading data from meters (heat, water, gas, electricity), sensors, controllers
  • Independent data log with real time stamp (Real TimeClock)
  • Supported interfaces: M-Bus, RS232, RS485, USB, 3G, Ethernet
  • Up to 6 analog inputs (voltage, current,resistance)
  • Up to 2 analog outputs (voltage0-10V)
  • Up to 4 discrete inputs (contact, impulse counter, alarm)
  • Up to 2 relay outputs (230Vac,3A)
  • SMS sending for alarmevents
  • Remote data sending over Ethernet or 3G (UMTS/HSPA+) using Modbus TCP/IPprotocol

Technical Data

RS232 (2 ports) up to 15 m, speed up to 57600 bit/s
RS485 (1 port) distance up to 1,2 km, max 32 transivers, speed up to 57600 bit/s
M-Bus (1 port) up to 8 M-Bus devices
3G (UMTS/HSPA+) 2 band, depending on market 850/1900 MHz, 900/2100 or 800(850)/2100 MHz
Ethernet 10/100 Mbps, RJ45, distance up to 100m
Discrete IN 4 sink contacts
Discrete OUT 2 relay 3A
Analog IN 6 voltage 0-10V, current 0/4-20mA, resistance, PT100/PT1000
Analog OUT 2 voltage 0-10V, load up to 5mA
Modbus RTU, Modbus TCP/IP,  IP,  ICMP, UDP,  TCP, DHCP, PPP, ARP, SNTP, DynDNS, FTP server, FTP client, DNS cli- ent, IEC60870-5-104:2000 (IEC 104), MQTT
LED indication
Charging of internal battery
Status of discrete input, for each port
Serial ports read/write for each port
GSM/GPRS status
Ethernet status

Power supply 9-36 VDC
Galvanic isolation >1000V
Power consumption 500mA max
Internal battery 3,7V 750 mAh
SD card support micro SD card up to 8 GB
Memory archive storage up to 8 MB, in- dependent data storage with- out power about 5 years
Climate conditions
Operating temperature -25 .. +60oC
Storage temperature -40 .. +60oC
Humidity range 5-95%, non-condensing
Physical characteristics
Dimensions 147x128x50 mm
Weight 400 g
Mounting on DIN rail
IP protection IP20
Programming and updating
Remote 3G or Ethernet
Locally USB, RS232 or RS485
Other features
Real time clock
24 months warranty period

RAY-3 data logger can read data from M-Bus, Modbus devices/meters (heat, water, gas, electricity), can also commu- nicate with other controllers and sensors.

RAY-3 is perfect for telemetry/monitoring, control and smart metering.

RAY-3 Data Logger Possibilities

RAY-3 Data Logger Application Example

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