GT-534 is a new industrial voice and SMS alarm device from Hongger. It can periodically report the value of the counter and trigger DI and AI alarm values by SMS to notify the operator of the occurrence of events or make voice calls. This manual mainly introduces the hardware functions, installation, configuration, and operating methods of GT-534, and provides answers to common problems.
The GT-534 is an industrial voice and SMS alarm module that can report counter values, trigger alerts via DI, and send voice calls or text messages. It supports RS‑232/RS‑485 interfaces for integration with PAC, PC, or PLC systems and offers dual power input with a Li‑ion backup.
This manual covers the device’s hardware specifications, connector layout, wiring diagrams, LED indicators, power‑up and reset procedures, installation of the GT‑534 Utility software, command syntax for SMS and DTMF control, data logging formats, audio file requirements, and a comprehensive troubleshooting guide. This manual is written in Chinese.
| CPU | 32‑bit, 96 MHz |
|---|---|
| SRAM | 32 KB |
| Flash Memory | 512 KB |
| Input Voltage | +10 VDC ~ +30 VDC |
| Operating Temperature | -25 °C ~ +55 °C |
| Dimensions (W × H × D) | 91 mm × 132 mm × 52 mm |
| DO Channels | 2 (isolated) |
| AI Input | 0 ~ 20 mA, 12‑bit resolution |
| Storage | MicroSD, up to 2 GB |
| GSM Frequencies | 850/900/1800/1900 MHz |
| Maximum GPRS Download Speed | 85.6 kbps |
It indicates that the SIM card requires a PIN or PUK code to be entered.
The device accepts a supply voltage between +10 VDC and +30 VDC.
The reset procedure is described in the section titled “如何 Reset GT‑534”.