The GRM530 user manual provides installation, configuration, communication and maintenance instructions for Giant Control's smart controller.
This manual covers the GRM530 smart controller, detailing hardware installation, power requirements, and interface connections. It also explains how to configure network settings, Wi‑Fi, 4G, and SIM card operation.
Further sections describe software setup with GRMDEV, communication options (485/232, Ethernet, MODBUS, OPC), web monitoring, remote SCADA integration, SMS alarm functions, and troubleshooting procedures. This manual is written in Chinese.
| Power Input Voltage | DC 12~24V |
|---|---|
| Power Consumption | ≥12 W |
| Default LAN IP | 192.168.1.240 |
| WAN IP Assignment | Automatic (DHCP) |
| SIM Card Slot | Standard SIM slot with lock lever |
The module ships with a default LAN IP of 192.168.1.240, which can be modified using the GRMDEV software configuration tools.
It requires a DC power supply of 12 V to 24 V, with a power consumption of at least 12 W.
Insert the SIM card into the SIM card slot and press the yellow lever to release it; do not insert or remove the SIM while the module is powered.
Connect a Wi‑Fi antenna to the Wi‑Fi antenna socket; the module only supports the 2.4 GHz band.