GE EPM 6000 Multi-function Power Metering System instruction manual Modbus Memory Map Notes

CHAPTER 5: COMMUNICATIONS

	HEX		DESCRIPTION1	FORMAT	RANGE6	UNITS OR	COMMENTS	# REG
ADDRESS						RESOLUTION
7550	-	7554	Limit #2	SINT16				5
7555	-	7559	Limit #3	SINT16				5
755A	-	755E	Limit #4	SINT16				5
755F	-	7563	Limit #5	SINT16	same as Limit #1	same as Limit #1	same as Limit #1	5
7564	-	7568	Limit #6	SINT16				5
7569	-	756D	Limit #7	SINT16				5
756E	-	7572	Limit #8	SINT16				5
							Block Size:	68

SECONDARY READINGS SECTION
Secondary Block								read-only except as noted
9C40	-	9C40	System Sanity Indicator	UINT16	0 or 1	none	0 indicates proper meter operation				1
9C41	-	9C41	Volts A-N	UINT16	2047 to 4095	volts	2047= 0, 4095= +150				1
9C42	-	9C42	Volts B-N	UINT16	2047 to 4095	volts				volts = 150 * (register - 2047) / 2047	1
9C43	-	9C43	Volts C-N	UINT16	2047 to 4095	volts					1
9C44	-	9C44	Amps A	UINT16	0 to 4095	amps	0= -10, 2047= 0, 4095= +10				1
9C45	-	9C45	Amps B	UINT16	0 to 4095	amps				amps = 10 * (register - 2047) / 2047	1
9C46	-	9C46	Amps C	UINT16	0 to 4095	amps					1
9C47	-	9C47	Watts, 3-Ph total	UINT16	0 to 4095	watts	0= -3000, 2047= 0, 4095= +3000				1
9C48	-	9C48	VARs, 3-Ph total	UINT16	0 to 4095	VARs			watts, VARs, VAs =		1
										3000 * (register - 2047) / 2047
9C49	-	9C49	VAs, 3-Ph total	UINT16	2047 to 4095	VAs					1
9C4A	-	9C4A	Power Factor, 3-Ph total	UINT16	1047 to 3047	none	1047= -1, 2047= 0, 3047= +1				1
								pf = (register - 2047) / 1000
								0= 45 or less, 2047= 60, 2730= 65 or			1
9C4B	-	9C4B	Frequency	UINT16	0 to 2730	Hz		more
								freq = 45 + ((register / 4095) * 30)
9C4C	-	9C4C	Volts A-B	UINT16	2047 to 4095	volts	2047= 0, 4095= +300				1
9C4D	-	9C4D	Volts B-C	UINT16	2047 to 4095	volts				volts = 300 * (register - 2047) / 2047	1
9C4E	-	9C4E	Volts C-A	UINT16	2047 to 4095	volts					1
9C4F	-	9C4F	CT numerator	UINT16	1 to 9999	none				CT = numerator * multiplier /	1
9C50	-	9C50	CT multiplier	UINT16	1, 10, 100	none					1
								denominator
9C51	-	9C51	CT denominator	UINT16	1 or 5	none					1
9C52	-	9C52	PT numerator	UINT16	1 to 9999	none				PT = numerator * multiplier /	1
9C53	-	9C53	PT multiplier	UINT16	1, 10, 100	none					1
								denominator
9C54	-	9C54	PT denominator	UINT16	1 to 9999	none					1
9C55	-	9C56	W-hours, Positive	UINT32	0 to 99999999	Wh per energy format	* 5 to 8 digits				2
9C57	-	9C58	W-hours, Negative	UINT32	0 to 99999999	Wh per energy format		* decimal point implied, per energy			2
								format
								* resolution of digit before decimal
9C59	-	9C5A	VAR-hours, Positive	UINT32	0 to 99999999	VARh per energy format					2
								point = units, kilo, or mega, per energy
9C5B	-	9C5C	VAR-hours, Negative	UINT32	0 to 99999999	VARh per energy format format					2
9C5D	-	9C5E	VA-hours	UINT32	0 to 99999999	VAh per energy format				* see note 10	2
9C5F	-	9C5F	Neutral Current	UINT16	0 to 4095	amps	see Amps A/B/C above				1
9C60	-	9CA2	Reserved	N/A	N/A	none					67
9CA3	-	9CA3	Reset Energy	UINT16	password5			write-only register; always reads as 0			1
			Accumulators
								Block Size:			100

5.1.3Modbus Memory Map Notes

The memory map notes are indicated by number below.

1.All registers not explicitly listed in the table read as 0. Writes to these registers will be accepted but won't actually change the register (since it doesn't exist).

EPM 6000 MULTI-FUNCTION POWER METERING SYSTEM – USER GUIDE 5–7