Overview
| brand | Songmao | size | one hundred and fifty × one hundred and three × 33mm |
| purpose | Collect the hart protocol of the instrument and transmit it remotely through GPRS | weight | 0.5kg |
| power | 1w | colour | silvery |
| measuring range | Suitable for all instruments with hart protocol | Processing customization | yes |
| Wavelength range | 0.01% | dynamic range | All instruments with hart protocol |
| Normal operating temperature | -40 ℃ to+85 ℃ | ||
Product Details
2、 Product performance
Two analog signal sampling, 12 bit high-precision A/D simultaneous sampling function.
● Two way switching value sampling function.
● One way HART interface.
One DC24V output.
One RS485 interface dedicated to RS485 instrument communication.
The USB interface is used to set parameters.
Configurable parameters and ranges, zero points, etc. for data collection.
Configurable station number, time, communication parameters, etc.
● Support Dynamic DNS and fixed IP.
● Support data transmission methods: UDP, TCP.
Directly read data from the instrument through the HART protocol.
All operating parameters can be queried and set locally and remotely.
Equipped with power outage memory function, there is no need to reset parameters after power outage.
Equipped with a large capacity EEPROM to save data according to the set save interval time.
The module status, GPRS communication data, and HART communication indicator light can clearly indicate the working status of the collector.
Support GSM SMS, which can perform parameter query, parameter setting, status query, alarm and other functions through SMS.
3、 Main parameters
Installation size: 150 mm long × Width 103 mm × Height 33 mm.
Working environment temperature: -40 ℃ to+85 ℃.
Storage temperature: -40 ℃ to+85 ℃.
Power input voltage: DC 9 to 24 V.
The analog input impedance is 250 Ω, which can collect DC 4-20mA and DC 0-5V DC signals.
The sampling resistance of the HART protocol is 250 Ω.
● DC24V output（
4、 Introduction to HART-GPRS Hardware
Indicator light instructions
GRPS indicator light: Flashes when GPRS sends and receives data.
● HART indicator light: Flashes when communicating with the HART instrument.
NET indicator light: On for 1 second and off for 3 seconds under normal function.
1、 Product Introduction
The HART-GPRS data collector is a high-tech product that integrates the HART protocol and GPRS communication. It is a micro RTU system that uses a high-end ARM microcontroller as the core. It is composed of high-precision operational amplifiers, interface chips, hardware watchdog circuits, input and output circuits, and is embedded with communication modules and a HART modulation and demodulation chip. It has stable performance and high cost-effectiveness.
The hardware structure design of the HART-GPRS data collector fully conforms to the industrial standards. Special designs are adopted in the temperature range, vibration, Electromagnetic compatibility, interface diversity and other aspects to ensure stable operation in harsh environments.