CHAPTER 5: COMMUNICATIONS

5.2DNP Point Mapping

5.2.1 DNP Point Maps

The DNP point mappings (DNP-11 to DNP-22) for the EPM 6000 Power Metering System shows the client-server relationship in GE Multilin’s use of the DNP protocol. The notes are listed after the table.

Table 5–1: DNP Point Mapping (Sheet 1 of 2)

Object

Var

Point

Description

Format

Range/units

Multiplier

Comments

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Binary output states (Read via Class 0 only)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

Reset energy counters

BYTE

0

N/A

 

10

2

 

 

 

 

 

 

1

Change to Modbus RTU protocol

BYTE

0

N/A

 

 

 

 

 

 

 

 

 

 

 

 

Control Relay Outputs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

Reset energy counters

N/A

N/A

N/A

See note 1

12

1

 

 

 

 

 

 

1

Change to Modbus RTU protocol

N/A

N/A

N/A

See note 2

 

 

 

 

 

 

 

 

 

 

Binary Counters (Primary; read via Class 0 only)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

Positive watt-hours

UINT32

0 to 99999999 Wh

See note 3

See note 4

 

 

 

 

 

 

 

 

 

 

1

Negative watt-hours

UINT32

0 to 99999999 Wh

See note 3

See note 4

20

4

 

 

 

 

 

 

2

Positive var-hours

UINT32

0 to 99999999 varh

See note 3

See note 4

 

 

 

 

 

 

 

 

 

 

3

Negative var-hours

UINT32

0 to 99999999 varh

See note 3

See note 4

 

 

 

 

 

 

 

 

 

 

4

Total VA-hours

UINT32

0 to 99999999 VAh

See note 3

See note 4

 

 

 

 

 

 

 

 

Analog Inputs (Secondary; read via Class 0 only)

 

 

 

 

 

 

 

 

 

 

 

 

30

5

0

Meter health

SINT16

0 or 1

N/A

0 = OK

 

 

 

 

 

 

 

 

 

 

1

Voltage A-N

SINT16

0 to 32767 V

(150/32768)

See note 5

 

 

 

 

 

 

 

 

 

 

2

Voltage B-N

SINT16

0 to 32767 V

(150/32768)

See note 5

 

 

 

 

 

 

 

 

 

 

3

Voltage C-N

SINT16

0 to 32767 V

(150/32768)

See note 5

 

 

 

 

 

 

 

 

 

 

4

Phase voltage A-B

SINT16

0 to 32767 V

(300/32768)

See note 6

 

 

 

 

 

 

 

 

 

 

5

Phase voltage B-C

SINT16

0 to 32767 V

(300/32768)

See note 6

 

 

 

 

 

 

 

 

 

 

6

Phase voltage C-A

SINT16

0 to 32767 V

(300/32768)

See note 6

 

 

 

 

 

 

 

 

 

 

7

Phase A current

SINT16

0 to 32767 A

(10/32768)

See note 7

 

 

 

 

 

 

 

 

 

 

8

Phase B current

SINT16

0 to 32767 A

(10/32768)

See note 7

 

 

 

 

 

 

 

 

 

 

9

Phase C current

SINT16

0 to 32767 A

(10/32768)

See note 7

 

 

 

 

 

 

 

 

 

 

10

Total three-phase real power

SINT16

–32768 to +32767 W

(4500/32768)

 

 

 

 

 

 

 

 

 

 

 

11

Total three-phase reactive power

SINT16

–32768 to +32767 var

(4500/32768)

 

 

 

 

 

 

 

 

 

 

 

12

Total three-phase apparent power

SINT16

0 to 32767 VA

(4500/32768)

 

 

 

 

 

 

 

 

 

 

 

13

Total three-phase power factor

SINT16

–1000 to 1000

0.001

 

 

 

 

 

 

 

 

 

 

 

14

Frequency

SINT16

0 to 9999 Hz

0.01

 

 

 

 

 

 

 

 

 

5–10

EPM 6000 MULTI-FUNCTION POWER METERING SYSTEM – USER GUIDE

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GE EPM 6000 Multi-function Power Metering System instruction manual DNP Point Maps, DNP Point Mapping Sheet 1