Multi channel 4-20mA analog data collector GPRS wireless telemetry terminal remote RTU

1.2 Product performance
Equipped with 16 or 40 analog signal acquisition channels and high-precision A/D simultaneous sampling function.
Equipped with 11 or 16 channel pulse counting function and switching sampling function.
It has a two channel or six channel DO relay output interface, which can be defined as alarm automatic control or command control.
Equipped with two RS485 instrument communication interfaces, supporting standard MODBUS_ RTU protocol and over 20 built-in flow meter communication protocols.
Equipped with 1 channel of 4-20mA analog output (please refer to 2.2 Product Selection Table for details).
Configurable parameter types, ranges, zero points, upper and lower alarm values, upper and lower limit thresholds, and pulse bottoms for data collection.
Configurable station number, time, communication parameters, etc.
When installing the All Network Communication module, it supports dynamic domain names and fixed IPs.
When installing the All Network Communication module, support UDP or TCP methods for data transmission.
Configurable analog and switch alarm enable.
Local query of parameters and real-time data, as well as setting of all operating parameters.
Equipped with power outage memory function, there is no need to reset parameters after power outage.
Equipped with a large capacity EEPROM, it saves data every five minutes and can store historical data for two months.

1.3 Main parameters
Housing size: 175 mm long × Width 90 mm × Height 75 mm.
Working environment temperature: -20 ℃~+80 ℃.
Storage temperature: -25 ℃~+80 ℃.
Power input voltage: DC 9~24V.
Analog input impedance: 250 Ω, capable of collecting 4-20mA, 0-5V DC signals.
Pulse and switching value: Some inputs are isolated through optoelectronic coupling, with high and low levels exceeding 20ms in width.
Relay output contact capacity: 5A/DC 30V, or 5A/AC 250V.
● Protection level: IP65.

Wiring diagram

1.4 Introduction to Wiring Terminals
POW, GDN: DC power supply, with the positive and negative poles (+, -) of the power line connected to the corresponding (POW, GND) terminals.
DI1+, DI1-~DI6+: Switching value channel optocoupler input, used to collect active switching values.
DI7~DI16: Switching value channel input, used to collect passive switching values.
AD1 to AD40, GDN: Analog channel input for collecting analog signals. Its input impedance is 250 Ω, and it can input a DC current signal (DC 4-20mA) or a DC voltage signal (DC 0-5V).
01A, 01B~06A, 06B: Relay output. If the collector alarm is set, the relay output can be used to control random equipment through relay signal output.
R485A and R485B: RS485 communication, used to collect RS485 instrument equipment and achieve data transmission between collectors and equipment.
DA+, DA -: Analog output, output 4-20mA DC current signal.

1.1 Product Introduction
The SM828H-M series data collector is an integrated collector RTU system based on GPRS transmission. It is centered around a high-end ARM processor, consisting of high-precision operational amplifiers, interface chips, watchdog circuits, LCD screens, keyboards, and input/output circuits, and is embedded with communication modules. The remote data acquisition RTU terminal formed by it has the characteristics of stable performance and high cost-effectiveness.
Because the SM828H-M series data collector is specially designed for industrial product integration, it is specially designed in terms of temperature range, vibration, Electromagnetic compatibility and interface diversity, ensuring stable operation in harsh environments and providing high quality assurance for your equipment.