HMS OCPP User Manual

Modbus Server

Open Charge Point Protocol (OCPP)

CONFIGURATION GUIDE

Issue date: 03/2021 r1.2 ENGLISH

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Important User Information

Disclaimer

The information in this document is for informational purposes only. Please inform HMS Industrial Networks of any inaccuracies or omissions found in this document. HMS Industrial Networks disclaims any responsibility or liability for any errors that may appear in this document.

HMS Industrial Networks reserves the right to modify its products in line with its policy of continuous product development. The information in this document shall therefore not be construed as a commitment on the part of HMS Industrial Networks and is subject to change without notice. HMS Industrial Networks makes no commitment to update or keep current the information in this document.

The data, examples and illustrations found in this document are included for illustrative purposes and are only intended to help improve understanding of the functionality and handling of the product. In view of the wide range of possible applications of the product, and because of the many variables and requirements associated with any particular implementation, HMS Industrial Networks cannot assume responsibility or liability for actual use based on the data, examples or illustrations included in this document nor for any damages incurred during installation of the product. Those responsible for the use of the product must acquire sufficient knowledge in order to ensure that the product is used correctly in their specific application and that the application meets all performance and safety requirements including any applicable laws, regulations, codes and standards. Further, HMS Industrial Networks will under no circumstances assume liability or responsibility for any problems that may arise as a result from the use of undocumented features or functional side effects found outside the documented scope of the product. The effects caused by any direct or indirect use of such aspects of the product are undefined and may include e.g. compatibility issues and stability issues.

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Gateway for the integration of OCPP Charging Points into Modbus TCP or RTU enabled systems and external OCPP Central Systems

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INDEX

1 Introduction .............................................................................................................................................. 5

2 System configuration ................................................................................................................................ 6

Charger(s) configuration ................................................................................................................... 6

Intesis Gateway configuration using MAPS ..................................................................................... 6

Working with a BMS as a Central System: Integration into a Modbus BMS .................................. 10

2.3.1 Available Operations ............................................................................................................... 10

Working with an External OCPP Central system: Read-only Modbus registers ............................ 17

2.4.1 Available Operations ............................................................................................................... 17

Appendix 1 – UML Sequence diagrams ..................................................................................................... 18

SEQ_SyncDateTime ............................................................................................................................... 18

SEQ_Authorize ........................................................................................................................................ 19

SEQ_StartTransaction ............................................................................................................................. 20

SEQ_StopTransaction ............................................................................................................................. 21

SEQ_RemoteStartTransaction ................................................................................................................ 22

SEQ_RemoteStopTransaction ................................................................................................................ 22

SEQ_SendLocalList ................................................................................................................................ 23

SEQ_GetLocalListVersion ....................................................................................................................... 23

Appendix 2 – Modbus register map ............................................................................................................ 24

ORDER CODES

LEGACY ORDER CODE

INMBSOCP0010100

-

INMBSOCP0200100

-

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1 Introduction

This document describes the integration process of OCPP devices (EV Chargers) into Modbus TCP and RTU compatible systems and external OCPP Central Systems, using the Intesis Modbus Server – OCPP gateway.

For details about the gateway, how to install and set up the device, please refer to the User Manual. The configuration tool for this gateway is Intesis® MAPS software This document assumes that the user is familiar with Modbus and OCPP technologies and their technical terms.

Fig 1.1 Use case 1: Integration of OCPP EV Charging points into a Modbus BMS (TCP or RTU)

Fig 1.2 Use case 2: Modbus gateway acting as an bridge between an external OCPP Central System and

OCPP chargers

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2 System configuration

In the following chapter it´s described a set of general rules to perform the integration of EV charging points (chargers) and their connectors to the Intesis gateway.

Please keep in mind each charger is different and must have access to OCPP 1.6 networks to enable communication with Intesis gateway.

The configuration of the chargers must be applied when working in both OCPP modes: BMS Central System and External Central system.

Charger(s) configuration

In order to work with Intesis gateway, each charger connected must be enabled to work in an OCPP network. To do so, check on the User Manual or documentation of the EV charger´s manufacturer. Once the OCPP connection

is enabled, you should be able to change or copy the charger´s ID and configure IP settings of the OCPP network and some other parameters of the charger. When changing the IP settings, note that the Intesis gateway uses the not secure version of OCPP 1.6J WebSocket, therefore the URL should be set in the form: ws://xxx.xxx.xxx.xxx:9000/ChargerID. The TCP port by default is 9000, but it can be changed in MAPS as described in point 2.2.

Important: Note down the ChargerID to use it later when configuring Intesis MAPS.

Intesis Gateway configuration using MAPS

1. Start-up MAPS software in your PC and use the project template: IBOX-MBS-OCPP-template.

2. Go to Configuration, General tab and configure the networks details. Keep in mind the configuration used in the Charger(s)

3. Configure the Modbus slave/server details as required by your network on the Modbus Slave tab.

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4. Use the OCPP tab to configure the Chargers in your network. Please note that this configuration must be done, and it is the same, for both OCPP working modes. There are 2 different options to perform the set-up:

a. Manually

Gateway Configuration: a choice is given for the OCCP Central System to be implemented on the BMS interface (select BMS) or on an OCCP external Central System (select External) Chargers Configuration: Select as many Chargers and Connectors as you require to integrate (Note Intesis gateway is offered in 2 versions: 1 charger + 7 connectors or up 20 chargers + 7 connector each)

Use the Charger ID previously noted when configuring the chargers to identify each of the units.

b. OCPP SCAN:

This option will list as many chargers in the network that are trying to connect to Intesis gateway. IMPORTANT! Keep in mind that the Scan option will only list the chargers that are already configured

to connect to the Intesis gateway (same network)

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Once the setup is done, you can use the Heartbeat interval to adjust the time the chargers use this parameter to communicate with the Central System. Furthermore, the TCP configuration can be adapted to change the port enabled for OCPP communication. By default, it is always 9000.

5. Go to Connection tab to connect MAPS/PC to the Intesis gateway.

6. Use the Signals tab to activate the signals required for the project. This tab will be updated according the number of Chargers and Connectors defined in the OCPP tab and the OCPP operation mode.

a. When working as BMS Central system: All signals are available as Modbus registers to implement

the necessary operations to work as an OCPP central system with the Modbus BMS.

b. When working with an External OCPP Central system: Only measurements and information signals

are available as Modbus registers for integration and supervision from a Modbus BMS.

IMPORTANT! Not all the available charger signals are active by default. User might require activating some signals according to each project needs. Max limit is 10.000 signals per project.

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7. Go to Receive/Send and send the project to the Intesis gateway.

8. After 30 seconds, connect again to the Intesis gateway and go to Diagnostic tab to visualize the communication status in both sides: Modbus and OCPP.

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Working with a BMS as a Central System: Integration into a Modbus BMS

This section describes the sequences and workflows required to transmit information from OCPP to a Modbus client/master using all the available OCPP operations in the Intesis gateway.

2.3.1 Available Operations

2.3.1.1 Time synchronization

The Central System (Modbus BMS or PLC) can synchronize periodically the time with the Intesis gateway, so this one can do the same with the EV´s charger.

Considering that the synchronization between the BMS and the gateway happens periodically, the synchronization between the Intesis gateway and the charger though, only happens during the charger´s start up process. Check with the manufacturer´s manual to verify this functionality in the charger.

It is possible to change the date from a Modbus client/master using the dedicated Modbus registers, however these registers must be written in the gateway within 15 seconds time in between writing commands; after this time the gateway will take this actual registers as valid and update its internal clock. Note that all time registers must be written, partial dates are not valid.

Moreover, the time synchronization between the gateway and the charger it´s only performed with the message BootNotification.req, triggered by the charger, so the gateway responds with the date information. The charger should only launch the BootNotification.req in two cases:

- Charger´s reboot process

- When requested by the Central System using the registers of the command TriggerMessage, requesting the BootNotification.req.

Check the diagram SEQ_SyncDateTime in Appendix 1 to review the communication workflow between the 3 systems and check the Modbus registers involved.

2.3.1.2 Local start charging operation

Typically, the start of a charging operation can be done locally when the user initiates the charge using a RFID card at the charging point.

After this action, the charger initiates the operation to validate the user, checking the card ID´s number with its local authorization list (in case this option is available in the charger) If the local authorization method cannot be performed, an authorization message is triggered to the Central System (BMS) so this one can authorize or not the user´s ID card.

If the user is not authorized, the charging operation is cancelled. If the user is authorized, the charger initiates another operation with the user´s information and sends a notification to the Central system (BMS) to initiate the charging operation.

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Check the following diagram and SEQ_StartTransaction in Appendix 1 to review the communication workflow between the 3 systems and check the Modbus registers involved.

SEQ_Authorize

Authorized

SEQ_StartTransactio

n

Accepted

Not Author ized

Not Accepted

Check idTag in Local

Cache

Local Cache Disabled

Local Cache Enabled

Check idTag in Local

Authorization List

Local

Authorization

List Enabled

Local Authorization List

Disabled

idTag Pres ent

idTag NOT present

User passes a card throught card reader

Connector is charging

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2.3.1.3 Local stop charging operation

A user can stop the charging operation locally from the charging point. This is typically done by the charging point when the user passes a RFID or ID card over the charger´s reader.

After this action, the charger will check if the user that is requesting the stop operation is the same that initiated it. If that is the case, the stop operation is triggered directly without starting any other authentication method. If that is not the case, the charger should check if the user that is requesting the stop operation belongs to the same user´s group (parentIdTag) through the local cache list, the local authorization list and lastly through the standard authorization process with the Central system (BMS)

If after this authentication process the user is denied, the stop operation will be cancelled. If the user is accepted, the charger will send another message to the Central system so it can be accepted and stop the charging operation.

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Check the following diagram and SEQ_StopTransaction in Appendix 1 to review the communication workflow between the 3 systems and check the Modbus registers involved.

SEQ_Authorize

Authorized

SEQ_StopTransaction

Accepted

Not Authorized

Not Accep te d

Check idTag in Local

Cache

Local Cache Disabled

Local Cache Enabled

Check idTag in Local

Authorization List

Local

Authoriza tion

List Enabled

Local Autho rization List

Disable d

idTag Pres ent

idTag NO T present

idTag != tra nsactionId.idTag

Check if

idTag.Par entIdTag == transactionId.idTag.ParentIdTag

idTag == tr ansactionId.idTag

User passes a card throught card reader

Connector stops charging

and goes to available

status

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2.3.1.4 Remote Start charging operation

The remote start of a charging operation begins when the central system (BMS) requests a new charging transaction for a specific user (idTag).

If the charger accepts this transaction, depending on its configuration, the charger could require initiating a completely new Authorization process. In case the charger is not configured this way, the Authentication process would not be required, and the start of the charging operation will begin.

Check previous chapter 2.3.1.2 to review the Authorization operation. Check points the following diagram and SEQ_RemoteStartTransaction to review the communication workflow

between the 3 systems and check the Modbus registers involved.

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SEQ_Authorize

Authorized

SEQ_StartTransactio

n

Accepted

Not Authorized

Not Accepte d

Check idTag in Local

Cache

Local Cache Disabled

Local Cache Enabled

Check idTag in Local

Authorization List

Local

Authorization

List Enabled

Local Author ization List

Disabled

idTag Pres ent

idTag NOT pr esent

SEQ_RemoteStartTra

nsaction

AuthorizeRe moteTxRequests == tr ue

AuthorizeRe moteTxRequests == f alse

Accepted

Rejected

BMS starts a new transaction

Connector is charging

AuthorizeRemoteTxRequ

ests is a configuration key

in the Charger configuration

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2.3.1.5 Remote Stop charging operation

The remote start of a charging operation begins when the central system (BMS) requests a Stop transaction. If the charger accepts this request, it will stop the charging operation and will notify the Central system. Check points the following diagram and SEQ_RemoteStopTransaction to review the communication workflow

between the 3 systems and check the Modbus registers involved.

SEQ_StopTransaction

Accepted

Not Accepted

SEQ_RemoteStopTra

nsaction

Rejected

Accepted

BMS request to stop a transactionId

Connector stops charging

and goes to available

status

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2.3.1.6 How to read values from the charger

To read the values or measurements that the charger has available in OCPP, the user needs to configure them in the Charger´s configuration tool. Refer to charger´s user manual to learn which ones are present in the charger and how to activate them to be ready for OCPP communication.

Note that this type of notifications will only take place when there is an active transaction, otherwise the charger will not notify any value by itself.

In case an update of a specific value is required, the BMS can request an update using the “Trigger Message” registers and requesting them with a message MessageValues.

Refer to Intesis Modbus Register table to check the values implemented in the gateway.

2.3.1.7 Local Authorization list management

The Local Authorization list of the chargers can be managed by the central system (BMS) using the sequence described in the appendix 1: SEQ_SendLocalList

Using this sequence, the BMS can add, edit or delete elements in this list. Note that the BMS should write these registers one by one and one after another.

Each edition of the list will change its version. In order to check the version that the charger is using, the central system can request this value using the operation described in Appendix 1 SEQ_GetLocalListVersion

Working with an External OCPP Central system: Read-only Modbus registers

This section describes the basic information that a Modbus client can read from the gateway when is connected to an external OCPP central system.

2.4.1 Available Operations

When working in this mode, no OCPP operations are available since the gateway is acting as a bridge between an External OCPP Central system and OCPP enabled chargers.

2.4.1.1 How to read values from the chargers in Modbus

When working as an External OCPP Central system mode, the Intesis gateway will act as a bridge between OCPP chargers and an external OCPP central system, offering only OCPP measurements and values from the chargers to the Modbus BMS.

Note that these values will only be updated in the gateway when the External OCPP and the chargers have engaged in communication. When working in this mode, all the OCPP sequences and operations are managed by the External OCPP system, therefore the Intesis gateway is merely updating the values that are available in the OCPP communication.

To read the values or measurements that the charger has available in OCPP, the user needs to configure them in the Charger´s configuration tool. Refer to charger´s user manual to learn which ones are present in the charger and how to activate them to be ready for OCPP communication.

Once knowing which measurements are available in the OCPP system, they can be activated in the gateway to be ready as Modbus registers for the Modbus BMS.

Refer to Intesis Modbus Register table to check the values implemented in the gateway.

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Appendix 1 – UML Sequence diagrams

SEQ_SyncDateTime

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SEQ_Authorize

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SEQ_StartTransaction

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SEQ_StopTransaction

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SEQ_RemoteStartTransaction

SEQ_RemoteStopTransaction

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SEQ_SendLocalList

SEQ_GetLocalListVersion

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Appendix 2 – Modbus register map

Address

Format

R/RW/W (trigger)

Signal

Values

Comments

BMS Communication & Time sync

0

Integer

RW

Heartbeat

BMS should set to 1 periodically and gateway will set to 0 to check communication is open

Virtual signal. Only available in BMS Central system model

1

Integer

RW

SECOND

Only available in BMS Central system model

2

Integer

RW

MINUTE

Only available in BMS Central system model

3

Integer

RW

HOUR

Only available in BMS Central system model

4

Integer

RW

DAY

Only available in BMS Central system model

5

Integer

RW

MONTH

Only available in BMS Central system model

6

Integer

RW

YEAR

Only available in BMS Central system model

Charger Signals (xx = 0 to 19)

Charger information

100 + (xx * 2000) + 0

Integer

R

Charger Communication status

0 = OK 1 = Communication Error

100 + (xx * 2000) + 1

String

R

Charge Box Serial Number

100 + (xx * 2000) + 2

100 + (xx * 2000) + 3

100 + (xx * 2000) + 4

100 + (xx * 2000) + 5

100 + (xx * 2000) + 6

100 + (xx * 2000) + 7

100 + (xx * 2000) + 8

100 + (xx * 2000) + 9

100 + (xx * 2000) + 10

100 + (xx * 2000) + 11

100 + (xx * 2000) + 12

100 + (xx * 2000) + 13

100 + (xx * 2000) + 14

String

R

Charge Point Serial Number

100 + (xx * 2000) + 15

100 + (xx * 2000) + 16

100 + (xx * 2000) + 17

100 + (xx * 2000) + 18

100 + (xx * 2000) + 19

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100 + (xx * 2000) + 20

100 + (xx * 2000) + 21

100 + (xx * 2000) + 22

100 + (xx * 2000) + 23

100 + (xx * 2000) + 24

100 + (xx * 2000) + 25

100 + (xx * 2000) + 26

100 + (xx * 2000) + 27

String

R

Charge Point Vendor

100 + (xx * 2000) + 28

100 + (xx * 2000) + 29

100 + (xx * 2000) + 30

100 + (xx * 2000) + 31

100 + (xx * 2000) + 32

100 + (xx * 2000) + 33

100 + (xx * 2000) + 34

100 + (xx * 2000) + 35

100 + (xx * 2000) + 36

100 + (xx * 2000) + 37

String

R

Charge Point Model

100 + (xx * 2000) + 38

100 + (xx * 2000) + 39

100 + (xx * 2000) + 40

100 + (xx * 2000) + 41

100 + (xx * 2000) + 42

100 + (xx * 2000) + 43

100 + (xx * 2000) + 44

100 + (xx * 2000) + 45

100 + (xx * 2000) + 46

Messages to CS

Authorization Registers

100 + (xx * 2000) + 64

Integer

R

Authorization Flag

0 = No operation pending 1 = Operation pending

Only available in BMS Central system model

100 + (xx * 2000) + 65

String

R

Id Tag Authorization

Only available in BMS Central system model

100 + (xx * 2000) + 66

100 + (xx * 2000) + 67

100 + (xx * 2000) + 68

100 + (xx * 2000) + 69

100 + (xx * 2000) + 70

100 + (xx * 2000) + 71

100 + (xx * 2000) + 72

100 + (xx * 2000) + 73

100 + (xx * 2000) + 74

100 + (xx * 2000) + 75

Not used

100 + (xx * 2000) + 76

Not used

100 + (xx * 2000) + 77

Integer

W

Authorization processed

0 = Not processed 1 = Processed

Only available in BMS Central system model

100 + (xx * 2000) + 78

String

W

Parent Id Tag

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100 + (xx * 2000) + 79

Only available in BMS Central system model

100 + (xx * 2000) + 80

100 + (xx * 2000) + 81

100 + (xx * 2000) + 82

100 + (xx * 2000) + 83

100 + (xx * 2000) + 84

100 + (xx * 2000) + 85

100 + (xx * 2000) + 86

100 + (xx * 2000) + 87

100 + (xx * 2000) + 88

DateTime

W

Expiration Date

Only available in BMS Central system model. Note signal is in Epoch time (Unix Time stamp)

100 + (xx * 2000) + 89

100 + (xx * 2000) + 90

Integer

W

Authorization result

0 = Accepted 1 = Blocked 2 = Expired 3 = Invalid 4 = Concurrent Transaction

Only available in BMS Central system model

100 + (xx * 2000) + 91

Not used

100 + (xx * 2000) + 92

Not used

100 + (xx * 2000) + 93

Not used

Start Transaction Registers

100 + (xx * 2000) + 94

Integer

R

Start Transaction Flag

0 = No operation pending 1 = Operation pending

Only available in BMS Central system model

100 + (xx * 2000) + 95

Integer

R

Connector ID

Only available in BMS Central system model

100 + (xx * 2000) + 96

String

R

Id Tag

Only available in BMS Central system model

100 + (xx * 2000) + 97

100 + (xx * 2000) + 98

100 + (xx * 2000) + 99

100 + (xx * 2000) + 100

100 + (xx * 2000) + 101

100 + (xx * 2000) + 102

100 + (xx * 2000) + 103

100 + (xx * 2000) + 104

100 + (xx * 2000) + 105

100 + (xx * 2000) + 106

Float

R

Meter Value

Only available in BMS Central system model

100 + (xx * 2000) + 107

100 + (xx * 2000) + 108

Integer

R

Reservation ID

Only available in BMS Central system model

100 + (xx * 2000) + 109

DateTime

R

Timestamp

Only available in BMS Central system model

100 + (xx * 2000) + 110

100 + (xx * 2000) + 111

Not used

100 + (xx * 2000) + 112

Not used

100 + (xx * 2000) + 113

Not used

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100 + (xx * 2000) + 114

Integer

W

Start Transaction Processed

0 = Not processed 1 = Processed

Only available in BMS Central system model

100 + (xx * 2000) + 115

String

W

Parent Id Tag

Only available in BMS Central system model

100 + (xx * 2000) + 116

100 + (xx * 2000) + 117

100 + (xx * 2000) + 118

100 + (xx * 2000) + 119

100 + (xx * 2000) + 120

100 + (xx * 2000) + 121

100 + (xx * 2000) + 122

100 + (xx * 2000) + 123

100 + (xx * 2000) + 124

100 + (xx * 2000) + 125

DateTime

W

Expiration Date

Only available in BMS Central system model

100 + (xx * 2000) + 126

100 + (xx * 2000) + 127

Integer

W

Authorization result

0 = Accepted 1 = Blocked 2 = Expired 3 = Invalid 4 = Concurrent Transaction

Only available in BMS Central system model

100 + (xx * 2000) + 128

Integer

W

Transaction ID

Only available in BMS Central system model

100 + (xx * 2000) + 129

Not used

100 + (xx * 2000) + 130

Not used

100 + (xx * 2000) + 131

Not used

100 + (xx * 2000) + 132

Not used

100 + (xx * 2000) + 133

Not used

Stop Transaction Registers

100 + (xx * 2000) + 134

Integer

R

Stop Transaction Flag

0 = No operation pending 1 = Operation pending

Only available in BMS Central system model

100 + (xx * 2000) + 135

String

R

Id Tag

Only available in BMS Central system model

100 + (xx * 2000) + 136

100 + (xx * 2000) + 137

100 + (xx * 2000) + 138

100 + (xx * 2000) + 139

100 + (xx * 2000) + 140

100 + (xx * 2000) + 141

100 + (xx * 2000) + 142

100 + (xx * 2000) + 143

100 + (xx * 2000) + 144

100 + (xx * 2000) + 145

Float

R

Meter Value

Only available in BMS Central system model

100 + (xx * 2000) + 146

100 + (xx * 2000) + 147

DateTime

R

Timestamp

Only available in BMS Central system model

100 + (xx * 2000) + 148

100 + (xx * 2000) + 149

Integer

R

Transaction ID

Only available in BMS

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Central system model

100 + (xx * 2000) + 150

Integer

R

Reason

0 = DeAuthorized 1 = EmergencyStop 2 = EVDisconnected 3 = HardReset 4 = Local 5 = Other 6 = PowerLoss 7 = Reboot 8 = Remove 9 = SoftReset 10 = UnlockCommand

Only available in BMS Central system model

100 + (xx * 2000) + 151

Not used

100 + (xx * 2000) + 152

Not used

100 + (xx * 2000) + 153

Not used

100 + (xx * 2000) + 154

Not used

100 + (xx * 2000) + 155

Integer

W

Stop Transaction Processed

0 = Not processed 1 = Processed

Only available in BMS Central system model

100 + (xx * 2000) + 156

String

W

Parent Id Tag

Only available in BMS Central system model

100 + (xx * 2000) + 157

100 + (xx * 2000) + 158

100 + (xx * 2000) + 159

100 + (xx * 2000) + 160

100 + (xx * 2000) + 161

Only available in BMS Central system model

100 + (xx * 2000) + 162

100 + (xx * 2000) + 163

100 + (xx * 2000) + 164

100 + (xx * 2000) + 165

100 + (xx * 2000) + 166

DateTime

W

Expiration Date

Only available in BMS Central system model

100 + (xx * 2000) + 167

100 + (xx * 2000) + 168

Integer

W

Authorization result

0 = Accepted 1 = Blocked 2 = Expired 3 = Invalid 4 = Concurrent Transaction

Only available in BMS Central system model

100 + (xx * 2000) + 169

Not used

100 + (xx * 2000) + 170

Not used

100 + (xx * 2000) + 171

Not used

100 + (xx * 2000) + 172

Not used

100 + (xx * 2000) + 173

Not used

Messages from CS

Cancel Reservation Registers

100 + (xx * 2000) + 256

Integer

RW

Cancel Reservation Flag

0 = No operation pending 1 = Operation pending

Only available in BMS Central system model

100 + (xx * 2000) + 257

Integer

W

Reservation ID

100 + (xx * 2000) + 258

Not used

100 + (xx * 2000) + 259

Not used

100 + (xx * 2000) + 260

Not used

100 + (xx * 2000) + 261

Integer

R

Result

0 = Accepted 1 = Rejected

Only available in BMS

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Central system model

100 + (xx * 2000) + 262

Not used

100 + (xx * 2000) + 263

Not used

100 + (xx * 2000) + 264

Not used

100 + (xx * 2000) + 265

Not used

Clear Caché Registers

100 + (xx * 2000) + 266

Integer

RW

Clear Caché Flag

0 = No operation pending 1 = Operation pending

Only available in BMS Central system model

100 + (xx * 2000) + 267

Not used

100 + (xx * 2000) + 268

Not used

100 + (xx * 2000) + 269

Not used

100 + (xx * 2000) + 270

Not used

100 + (xx * 2000) + 271

Integer

R

Result

0 = Accepted 1 = Rejected

Only available in BMS Central system model

100 + (xx * 2000) + 272

Not used

100 + (xx * 2000) + 273

Not used

100 + (xx * 2000) + 274

Not used

100 + (xx * 2000) + 275

Not used

Clear Charging Profile Registers

100 + (xx * 2000) + 276

Integer

RW

Clear Charging Profile Flag

0 = No operation pending 1 = Operation pending

Only available in BMS Central system model

100 + (xx * 2000) + 277

Integer

W

Profile ID

Only available in BMS Central system model

100 + (xx * 2000) + 278

Integer

W

Connector ID

Only available in BMS Central system model

100 + (xx * 2000) + 279

Integer

W

Charging Profile Purpose

Only available in BMS Central system model

100 + (xx * 2000) + 280

Integer

W

Stack Level

Only available in BMS Central system model

100 + (xx * 2000) + 281

Not used

100 + (xx * 2000) + 282

Not used

100 + (xx * 2000) + 283

Integer

R

Result

0 = Accepted 4 = Unknown

Only available in BMS Central system model

100 + (xx * 2000) + 284

Not used

100 + (xx * 2000) + 285

Not used

Get Local List Version

100 + (xx * 2000) + 286

Integer

RW

Get Local List Flag

0 = No operation pending 1 = Operation pending

Only available in BMS Central system model

100 + (xx * 2000) + 287

Not used

100 + (xx * 2000) + 288

Not used

100 + (xx * 2000) + 289

Not used

100 + (xx * 2000) + 290

Not used

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100 + (xx * 2000) + 291

Integer

R

Version

Only available in BMS Central system model

100 + (xx * 2000) + 292

Not used

100 + (xx * 2000) + 293

Not used

100 + (xx * 2000) + 294

Not used

100 + (xx * 2000) + 295

Not used

Reserve Now Registers

100 + (xx * 2000) + 296

Integer

RW

Reserve Now Flag

0 = No operation pending 1 = Operation pending

Only available in BMS Central system model

100 + (xx * 2000) + 297

Integer

W

Connector ID

Only available in BMS Central system model

100 + (xx * 2000) + 298

DateTime

W

Expiration Date

Only available in BMS Central system model

100 + (xx * 2000) + 299

100 + (xx * 2000) + 300

String

W

Id Tag

Only available in BMS Central system model

100 + (xx * 2000) + 301

100 + (xx * 2000) + 302

100 + (xx * 2000) + 303

100 + (xx * 2000) + 304

100 + (xx * 2000) + 305

100 + (xx * 2000) + 306

100 + (xx * 2000) + 307

100 + (xx * 2000) + 308

100 + (xx * 2000) + 309

100 + (xx * 2000) + 310

String

W

Parent Id Tag

Only available in BMS Central system model

100 + (xx * 2000) + 311

100 + (xx * 2000) + 312

100 + (xx * 2000) + 313

100 + (xx * 2000) + 314

100 + (xx * 2000) + 315

100 + (xx * 2000) + 316

100 + (xx * 2000) + 317

100 + (xx * 2000) + 318

100 + (xx * 2000) + 319

100 + (xx * 2000) + 320

Integer

W

Reservation ID

Only available in BMS Central system model

100 + (xx * 2000) + 321

Not used

100 + (xx * 2000) + 322

Not used

100 + (xx * 2000) + 323

Integer

R

Result of the request

0 = Accepted 1 = Rejected 8 = Faulted 9 = Occupied

Only available in BMS Central system model

100 + (xx * 2000) + 324

Not used

100 + (xx * 2000) + 325

Not used

Reset Registers

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100 + (xx * 2000) + 326

Integer

RW

Reset Flag

0 = No operation pending 1 = Operation pending

Only available in BMS Central system model

100 + (xx * 2000) + 327

Not used

100 + (xx * 2000) + 328

Not used

100 + (xx * 2000) + 329

Not used

100 + (xx * 2000) + 330

Not used

100 + (xx * 2000) + 331

Integer

R

Status

Only available in BMS Central system model

100 + (xx * 2000) + 332

Not used

100 + (xx * 2000) + 333

Not used

100 + (xx * 2000) + 334

Not used

100 + (xx * 2000) + 335

Not used

Send Local List registers

100 + (xx * 2000) + 336

Integer

RW

Send Local List Flag

0 = No operation pending 1 = Operation pending

Only available in BMS Central system model

100 + (xx * 2000) + 337

Integer

W

Operation

1 = Add new entry 2 = Delete entry 3 = Modify entry

Only available in BMS Central system model

100 + (xx * 2000) + 338

String

W

Id Tag

Only available in BMS Central system model

100 + (xx * 2000) + 339

100 + (xx * 2000) + 340

100 + (xx * 2000) + 341

100 + (xx * 2000) + 342

100 + (xx * 2000) + 343

100 + (xx * 2000) + 344

100 + (xx * 2000) + 345

100 + (xx * 2000) + 346

100 + (xx * 2000) + 347

100 + (xx * 2000) + 348

String

W

Parent Id Tag

Only available in BMS Central system model

100 + (xx * 2000) + 349

100 + (xx * 2000) + 350

100 + (xx * 2000) + 351

100 + (xx * 2000) + 352

100 + (xx * 2000) + 353

100 + (xx * 2000) + 354

100 + (xx * 2000) + 355

100 + (xx * 2000) + 356

100 + (xx * 2000) + 357

100 + (xx * 2000) + 358

DateTime

W

Expiration Date

Only available in BMS Central system model

100 + (xx * 2000) + 359

100 + (xx * 2000) + 360

Integer

W

Authorization Status

0 = Accepted 1 = Blocked 2 = Expired 3 = Invalid 4 = Concurrent Transaction

Only available in BMS Central system model

100 + (xx * 2000) + 361

Not used

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100 + (xx * 2000) + 362

Not used

100 + (xx * 2000) + 363

Integer

R

Result of the request

0 = Accepted 3 = NotSupported 8 = Failed 12 = VersionMismatch

Only available in BMS Central system model

100 + (xx * 2000) + 364

Not used

100 + (xx * 2000) + 365

Not used

Trigger Message Registers

100 + (xx * 2000) + 366

Integer

RW

Trigger Message Flag

0 = No operation pending 1 = Operation pending

Only available in BMS Central system model

100 + (xx * 2000) + 367

Integer

W

Requested Message

0 = BootNotification 1 = DiagnosticStatusNotifi cation 2 = FirmwareStatusNotific ation 3 = Heartbeat 4 = MeterValues 5 = StatusNotification

Only available in BMS Central system model

100 + (xx * 2000) + 368

Integer

W

Connector ID

Only available in BMS Central system model

100 + (xx * 2000) + 369

Not used

100 + (xx * 2000) + 370

Not used

100 + (xx * 2000) + 371

Integer

R

Status

0 = Accepted 1 = Rejected 11 = NotImplemented

Only available in BMS Central system model

100 + (xx * 2000) + 372

Not used

100 + (xx * 2000) + 373

Not used

100 + (xx * 2000) + 374

Not used

100 + (xx * 2000) + 375

Not used

Remote Start registers

100 + (xx * 2000) + 376

Integer

RW

Remote Start Flag

0 = No operation pending 1 = Operation pending

Only available in BMS Central system model

100 + (xx * 2000) + 377

Integer

W

Connector ID

Only available in BMS Central system model

100 + (xx * 2000) + 378

String

W

Id Tag

Only available in BMS Central system model

100 + (xx * 2000) + 379

100 + (xx * 2000) + 380

100 + (xx * 2000) + 381

100 + (xx * 2000) + 382

100 + (xx * 2000) + 383

100 + (xx * 2000) + 384

100 + (xx * 2000) + 385

100 + (xx * 2000) + 386

100 + (xx * 2000) + 387

100 + (xx * 2000) + 388

Not used

100 + (xx * 2000) + 389

Not used

100 + (xx * 2000) + 390

Not used

100 + (xx * 2000) + 391

Not used

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URL https://www.intesis.com

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100 + (xx * 2000) + 392

Integer

R

Result of the request

0 = Accepted 1 = Rejected

Only available in BMS Central system model

100 + (xx * 2000) + 393

Not used

100 + (xx * 2000) + 394

Not used

100 + (xx * 2000) + 395

Not used

Remote Stop Registers

100 + (xx * 2000) + 396

Integer

RW

Remote Stop Flag

0 = No operation pending 1 = Operation pending

Only available in BMS Central system model

100 + (xx * 2000) + 397

Integer

W

Transaction ID

Only available in BMS Central system model

100 + (xx * 2000) + 398

Not used

100 + (xx * 2000) + 399

Not used

100 + (xx * 2000) + 400

Not used

100 + (xx * 2000) + 401

Integer

R

Status

0 = Accepted 1 = Rejected

Only available in BMS Central system model

100 + (xx * 2000) + 402

Not used

100 + (xx * 2000) + 403

Not used

100 + (xx * 2000) + 404

Not used

100 + (xx * 2000) + 405

Not used

Connectors (yy = 0 to 7)

(512 + 100 + (xx * 2000) + (100 * yy)) + 0

Integer

RW

Unlock Connector

(512 + 100 + (xx * 2000) + (100 * yy)) + 1

Integer

RW

Availabilty

0 = Inoperative 1 = Operative

(512 + 100 + (xx * 2000) + (100 * yy)) + 2

Integer

R

status

0 = Available 1 = Preparing 2 = Charging 3 = SuspendedEVSE 4 = SuspendedEV 5 = Finishing 6 = Reserved 7 = Unavailable 8 = Faulted

(512 + 100 + (xx * 2000) + (100 * yy)) + 3

Integer

R

errorCode

0 = ConnectorLockFailure 1 = EVCommunicationErr or 2 = GroundFailure 3 = HighTemperature 4 = InternalError 5 = LocalListConflict 6 = NoError 7 = OtherError 8 = OverCurrentFailure 9 = OverVoltage 10 = PowerMeterFailure 11 = PowerSwitchFailure 12 = ReaderFailure 13 = ResetFailure 14 = UnderVoltage 15 = WeakSignal

(512 + 100 + (xx * 2000) + (100 * yy)) + 4

Float

R

L1 Current.Export

(512 + 100 + (xx * 2000) + (100 * yy)) + 5

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(512 + 100 + (xx * 2000) + (100 * yy)) + 6

Float

R

L2 Current.Export

(512 + 100 + (xx * 2000) + (100 * yy)) + 7

(512 + 100 + (xx * 2000) + (100 * yy)) + 8

Float

R

L3 Current.Export

(512 + 100 + (xx * 2000) + (100 * yy)) + 9

(512 + 100 + (xx * 2000) + (100 * yy)) + 10

Integer

R

Current.Export.U nits

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 11

Float

R

L1 Current.Import

(512 + 100 + (xx * 2000) + (100 * yy)) + 12

(512 + 100 + (xx * 2000) + (100 * yy)) + 13

Float

R

L2 Current.Import

(512 + 100 + (xx * 2000) + (100 * yy)) + 14

(512 + 100 + (xx * 2000) + (100 * yy)) + 15

Float

R

L3 Current.Import

(512 + 100 + (xx * 2000) + (100 * yy)) + 16

(512 + 100 + (xx * 2000) + (100 * yy)) + 17

Integer

R

Current.Import.U nits

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 18

Float

R

L1 Current.Offered

(512 + 100 + (xx * 2000) + (100 * yy)) + 19

(512 + 100 + (xx * 2000) + (100 * yy)) + 20

Float

R

L2 Current.Offered

(512 + 100 + (xx * 2000) + (100 * yy)) + 21

(512 + 100 + (xx * 2000) + (100 * yy)) + 22

Float

R

L3 Current.Offered

(512 + 100 + (xx * 2000) + (100 * yy)) + 23

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(512 + 100 + (xx * 2000) + (100 * yy)) + 24

Integer

R

Current.Offered. Units

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 25

Float

R

Energy.Active.E xport.Register

(512 + 100 + (xx * 2000) + (100 * yy)) + 26

(512 + 100 + (xx * 2000) + (100 * yy)) + 27

Integer

R

Energy.Active.E xport.Register.U nits

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 28

Float

R

Energy.Active.I mport.Register

(512 + 100 + (xx * 2000) + (100 * yy)) + 29

(512 + 100 + (xx * 2000) + (100 * yy)) + 30

Integer

R

Energy.Active.I mport.Register. Units

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 31

Float

R

Energy.Reactive .Export.Register

(512 + 100 + (xx * 2000) + (100 * yy)) + 32

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(512 + 100 + (xx * 2000) + (100 * yy)) + 33

Integer

R

Energy.Reactive .Export.Register. Units

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 34

Float

R

Energy.Reactive .Import.Register

(512 + 100 + (xx * 2000) + (100 * yy)) + 35

(512 + 100 + (xx * 2000) + (100 * yy)) + 36

Integer

R

Energy.Reactive .Import.Register. Units

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 37

Float

R

Energy.Active.E xport.Interval

(512 + 100 + (xx * 2000) + (100 * yy)) + 38

(512 + 100 + (xx * 2000) + (100 * yy)) + 39

Integer

R

Energy.Active.E xport.Interval.Un its

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 40

Float

R

Energy.Active.I mport.Interval

(512 + 100 + (xx * 2000) + (100 * yy)) + 41

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37 / 41

(512 + 100 + (xx * 2000) + (100 * yy)) + 42

Integer

R

Energy.Active.I mport.Interval.U nits

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 43

Float

R

Energy.Reactive .Export.Interval

(512 + 100 + (xx * 2000) + (100 * yy)) + 44

(512 + 100 + (xx * 2000) + (100 * yy)) + 45

Integer

R

Energy.Reactive .Export.Interval. Units

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 46

Float

R

Energy.Reactive .Import.Interval

(512 + 100 + (xx * 2000) + (100 * yy)) + 47

(512 + 100 + (xx * 2000) + (100 * yy)) + 48

Integer

R

Energy.Reactive .Import.Interval. Units

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 49

Float

R

Frequency

(512 + 100 + (xx * 2000) + (100 * yy)) + 50

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(512 + 100 + (xx * 2000) + (100 * yy)) + 51

Integer

R

Frequency.Units

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 52

Float

R

Power.Active.Ex port

(512 + 100 + (xx * 2000) + (100 * yy)) + 53

(512 + 100 + (xx * 2000) + (100 * yy)) + 54

Integer

R

Power.Active.Ex port.Units

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 55

Float

R

Power.Active.Im port

(512 + 100 + (xx * 2000) + (100 * yy)) + 56

(512 + 100 + (xx * 2000) + (100 * yy)) + 57

Integer

R

Power.Active.Im port.Units

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 58

Float

R

Power.Factor

(512 + 100 + (xx * 2000) + (100 * yy)) + 59

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(512 + 100 + (xx * 2000) + (100 * yy)) + 60

Integer

R

Power.Factor.Un its

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 61

Float

R

Power.Offered

(512 + 100 + (xx * 2000) + (100 * yy)) + 62

(512 + 100 + (xx * 2000) + (100 * yy)) + 63

Integer

R

Power.Offered.U nits

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 64

Float

R

Power.Reactive. Export

(512 + 100 + (xx * 2000) + (100 * yy)) + 65

(512 + 100 + (xx * 2000) + (100 * yy)) + 66

Integer

R

Power.Reactive. Export.Units

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 67

Float

R

Power.Reactive. Import

(512 + 100 + (xx * 2000) + (100 * yy)) + 68

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(512 + 100 + (xx * 2000) + (100 * yy)) + 69

Integer

R

Power.Reactivve .Import.Units

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 70

Float

R

RPM

(512 + 100 + (xx * 2000) + (100 * yy)) + 71

(512 + 100 + (xx * 2000) + (100 * yy)) + 72

Integer

R

RPM.Units

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 73

Float

R

SoC

(512 + 100 + (xx * 2000) + (100 * yy)) + 74

(512 + 100 + (xx * 2000) + (100 * yy)) + 75

Integer

R

SoC.Units

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 76

Float

R

Temperature

(512 + 100 + (xx * 2000) + (100 * yy)) + 77

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41 / 41

(512 + 100 + (xx * 2000) + (100 * yy)) + 78

Integer

R

Temperature.Uni ts

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

(512 + 100 + (xx * 2000) + (100 * yy)) + 79

Float

R

L1-N Voltage

(512 + 100 + (xx * 2000) + (100 * yy)) + 80

(512 + 100 + (xx * 2000) + (100 * yy)) + 81

Float

R

L2-N Voltage

(512 + 100 + (xx * 2000) + (100 * yy)) + 82

(512 + 100 + (xx * 2000) + (100 * yy)) + 83

Float

R

L3-N Voltage

(512 + 100 + (xx * 2000) + (100 * yy)) + 84

(512 + 100 + (xx * 2000) + (100 * yy)) + 85

Integer

R

Voltage.Units

0 = Wh 1 = kWh 2 = varh 3 = kvarh 4 = W 5 = kW 6 = VA 7 = kVA 8 = var 9 = kvar 10 = A 11 = V 12 = ºC 13 = ºF 14 = ºK 15 = %

Current Transaction Data

(512 + 100 + (xx * 2000) + (100 * yy)) + 86

String

R

Id Tag

(512 + 100 + (xx * 2000) + (100 * yy)) + 87

(512 + 100 + (xx * 2000) + (100 * yy)) + 88

(512 + 100 + (xx * 2000) + (100 * yy)) + 89

(512 + 100 + (xx * 2000) + (100 * yy)) + 90

(512 + 100 + (xx * 2000) + (100 * yy)) + 91

(512 + 100 + (xx * 2000) + (100 * yy)) + 92

(512 + 100 + (xx * 2000) + (100 * yy)) + 93

(512 + 100 + (xx * 2000) + (100 * yy)) + 94

(512 + 100 + (xx * 2000) + (100 * yy)) + 95

(512 + 100 + (xx * 2000) + (100 * yy)) + 96

Float

R

Meter Value on Start

(512 + 100 + (xx * 2000) + (100 * yy)) + 97

(512 + 100 + (xx * 2000) + (100 * yy)) + 98

DateTime

R

Timestamp

(512 + 100 + (xx * 2000) + (100 * yy)) + 99

HMS OCPP User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual