Multi Function Controller

SUBJECT VIEWS FAQ TYPE MODEL LAST UPDATED DETAIL
How to confirm my SIM card can support GTP-500M? 3 Troubleshooting 2020-07-31
Please refer to the link below:

How to confirm my SIM card can support GTP-500M?
RTU Function - How do I change the Timeout parameter of Modbus Devices? 6 Product Functionality 2020-07-31
RTU Function - The Peripheral Device Status Error Code. 4 Product Functionality 2020-07-31
SMS Function - I wrote in the Hyperterminal +++hello and pressed enter many times, but the phone could not receive the same number of SMS. why it doesn't work and why sometimes it does work? 0 Troubleshooting 2020-07-31
SMS Function - Forgot password. 1 Troubleshooting 2020-07-31
Please refer to the link below:

SMS Function - Forgot password.
SMS Function - What is DTMF? 0 Product Functionality 2020-07-31
Please refer to the link below:

SMS Function - What is DTMF?
How to convert 2 bytes Hex value into a decimal reading for either a more meaningful 4 ~ 20mA? 0 Troubleshooting 2020-03-27
If the counter function of GTP-500M is always error. How does user do? 0 Troubleshooting 2020-07-30
How many maximum capacity of micro SD does the GTP-500M support? 4 Installation & Configuration 2020-07-30
Precautions of RTU function 0 Product Functionality 2020-03-27
Please refer to the link below:

Precautions of RTU function