HDPM6000 Modbus integer registers

[GREG.KADERA]

trying to confirm  Modbus integer registers for this unit the current for pole one L1 holding register starts 41336. Current registers are 41336 to 41377 pole 1-48 device ID of 2? Is the HDP6000 like the older Veris E30?

[Mehran_Mehrnia]

Hi @GREG.KADERA 

As mentioned in HDPM6000 Protocol Guide, depending how circuits are defined:
1- 123N Circuit Summaries:

If all branch circuits are configured with three phases and a neutral this section provides totals for each circuit. There are 48 of these, repeated in 100 register blocks from 21998 to 26797.

Based on the table above, the corresponding Modbus register for example for Vrms Phase 1 will be:

(N-1)*100+22000 where N is 1 to 48
When N=1 Addr: (1-1)*100+22000=0+22000=22000 or Register: 22001*

When N=48 Addr: (48-1)*100+22000=4700+22000=26700 or Register 26701*

*Note: For simplicity, Protocol Guide only deals with Modbus addresses using 0-based numbering. Modbus terminology puts register 1 is at address 0.

2- Circuit Summaries:

This section provides values for each defined circuit. There are 192 of these, repeated in 100 register blocks from 32998 to 52197. Each block corresponds to a channel and contains data for the circuit the channel is assigned to.

Based on the table above, the corresponding Modbus register for example for Vrms Phase 1 will be:

(N-1)*100+33000 where N is 1 to 192

When N=1 Addr: (1-1)*100+33000=0+33000=33000 or Register: 33001*

When N=192 Addr: (192-1)*100+33000=19100+33000=52100 or Register 52101*

e.g. N=1(channel or circuit 1) ->Modbus  Addr=33001*

e.g. N=85(channel or circuit 85) ->Modbus  Addr=8400+33001=41401*

Although I'm not familiar with Veris, the HDPM6000 is conceptually similar to the Veris, but it offers greater modularity and configuration flexibility, especially in how circuits are grouped and addressed.

Best Regards,

-Mehran

L3 Expert Advanced metering

[GREG.KADERA]

maybe I worded it wrong but the 6000 has two CT pickup board on each side. each ct pickups a value. I just want the register # for each CT. I am not using the 6000 to do any calculation or special setup just need the raw values. the power panels are split even odd as shown below. Am I to assume the first CT on the left side will be 21998? can you fill in the registers in the below list. or contact me we have 54 of these to get on line and start pulling data

[Mehran_Mehrnia]

Hi @GREG.KADERA 

For example, if you have two 21-channel strip units (totaling 42 channels) connected to the HDPM6000 and configured as ANSI (with the left side listed as odd and the right side as even), and each channel corresponds to a circuit(just as a simple single phase connections means there is no phase2, phase 3, ...), then based on the Per Circuit Registers table in Installation Guide, you can read the instantaneous RMS current (IRMS) by polling register C + 2, where C = channel number × 10, and the channel number ranges from 1 to 42.

e.g.

IRMS for channel 1(circuit 1) would be Address: (1 * 10) + 2 = 12 or Register 13

IRMS for channel 2(circuit 2) would be Address: (2 * 10) + 2 = 22 or Register 23

IRMS for channel 3(circuit 3) would be Address: (3 * 10) + 2 = 32 or Register 33

.

.

IRMS for channel 40(circuit 40) would be Address: (40 * 10) + 2 = 402 or Register 403

IRMS for channel 41(circuit 41) would be Address: (41 * 10) + 2 = 412 or Register 413

IRMS for channel 42(circuit 42) would be Address: (42 * 10) + 2 = 422 or Register 423

Best Regards,

-Mehran

L3 Expert Advanced metering