Remote Terminal Unit IOT Cellular Modem With DI DO AI Ports For PLC Connection

• Introduction​ of IOT Cellular Modem

Product model: ZHC4931,  providing 1RS485/1RS232/1DI/1DO/1AI interface.
Features: Threshold reporting, wet and dry node detection, and the device itself supports logical operations.
Protocol: Support Modbusr RTU/TCP adaptive.
Industrial-grade quality: anti-reverse connection, anti-surge, dual watchdogs, can work normally at -20℃~+60℃
The product is suitable for: data security monitoring, remote water pump automatic control, water resources real-time management system

Parameters of IOT Cellular Modem

• Collection function of IOT Cellular Modem
• 
  Collect analog standard signals such as pressure and water level transmitters, 4-20mA signals (default);
  Collect data from 485 meters such as flow meters and electricity meters;
  Support fixed-point/timing acquisition, freely configure acquisition/frequency
  Incompatible instrument protocols can be instrument-driven development

• Details of IOT Cellular Modem ZHC4931

Antenna: GPS antenna (ZHC4931G supports GPS), MAIN (LTE network antenna).
SIM: Press the yellow dot on the side of the SIM card slot, pop out the card tray, and insert the SIM card.
DC5~30V (terminals): DC5~30V input.
RESET: restore factory button
DC5~30V (DC power socket): DC5~30V input.
WORK: Equipment operating status indicator
NET: Network status indicator/network data receiving indicator
DATA: Data transmission indicator
POW: Power indicator
485: RS485 interface.
232: RS232 interface (Choose)
DO: NC is normally closed, COM is common
DI: DI1~2 are 2-channel dry (wet) node detection, sharing one COM terminal.
AI: AI is 1 analog signal input