Forlong (DRT 301C-II) data logger. MODBUS registers map.

This data is being extracted with the help of the Advanced Serial Data Logger (MODBUS RTU,ASCII) or Advanced TCP/IP Data Logger (MODBUS TCP) software only. It may not applicable for other software titles.

MODBUS offset	Description	Units	Data type
16	Voltage L1	V	single
18	Voltage L2	V	single
20	Voltage L3	V	single
78	Frequency	Hz	single
80	Current L1	A	single
82	Current L2	A	single
84	Current L3	A	single
86	Current neutral	A	single
88	Current total	A	single
144	Power L1	kW	single
146	Power L2	kW	single
148	Power L3	kW	single
150	Power total	kW	single
208	Apparent power L1	kVA	single
210	Apparent power L2	kVA	single
212	Apparent power L3	kVA	single
214	Apparent power total	kVA	single
272	Reactive power L1	kvar	single
274	Reactive power L2	kvar	single
276	Reactive power L3	kvar	single
278	Reactive power total	kvar	single
336	Power factor L1		single
338	Power factor L2		single
340	Power factor L3		single
342	Power factor total		single
352	Import	KW	single
358	Export energy	KW	single
1560	Total energy	kW	single
354	Import reactive energy	Kvar	single
360	Export reactive energy	kvar	single
1316	Modbus slave address number	a	word
1317	Modbus slave baud rate		word
1318	Serial number		string

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