| NO. | File Name | Download |
| 1 | |  |
| 2 | CI General MODBUS-RTU Communication Protocol for Counting,Timing and Frequencey Measurement Products(B Version) |  |
| 3 | DLT 645-2007 Multifunctional Energy Meter Communication Protocol | |
| 4 | DS Series Single-Phase Power Meter Communication Protocol Description (Version B) | |
| 5 | DTSD8080-L series three-phase intelligent electric energy meter MODBUS-RTU communication protocol | |
| 6 | DS Series Three-Phase Intelligent Power Meter Communication Protocol (B Version) | |
| 7 | DR9 Power Parameter Recorder Communication Protocol | |
| 8 | DTSD8080-4L series three-phase multi-loop smart meter MODBUS-RTU communication protocol | |
| 9 | CB7, CL7 Communication Protocol (The Old Version Has Been Discontinued) | |
| 10 | DS9L Communication Protocol | |
| 11 | Old Toky Non-Standard Communication Protocol ( KK052（A-0）) | |
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