Chipkin CAS-2700-24 Manuel utilisateur

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CAS-2700-24

SMA Gateway

Modbus / BACnet / HTML Gateway

CAS-2700-24

SMA

Modbus (RTU and TCP) / BACnet / HTML Gateway

2014© Chipkin Automation Systems, 3495 Cambie St. Unit211, Vancouver, BC, Canada, V5Z 4R3

Tel: (866) 383-1657, Fax: (416) 915-4024

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TABLE OF CONTENTS

TABLE OF CONTENTS..........................................................................................................................3

1. SMA Gateway Description ...........................................................................................................6

2. Connections ................................................................................................................................7

2.1. Block Diagram................................................................................................................................. 7

2.2. Wiring / Connections...................................................................................................................... 8

2.2.1. Modbus RTU Connections ....................................................................................................... 8

2.3. Limitations and Best Practices........................................................................................................ 9

3. Configuration and Settings ........................................................................................................10

3.1. SMA Sunny Webbox Connection Settings....................................................................................10

3.2. SMA Sunny Webbox Configuration Options ................................................................................10

3.3. ModbusTCP Settings..................................................................................................................... 11

3.4. ModbusRTU Settings .................................................................................................................... 11

3.5. BACnet IP Settings ........................................................................................................................ 12

3.6. Change Configuration Settings .....................................................................................................12

3.7. Adding SMA Devices..................................................................................................................... 14

3.8. Configuration Tools ...................................................................................................................... 15

4. Reading Data using HTML / Web Browser ..................................................................................16

5. Reading Modbus Data ...............................................................................................................17

5.1. Modbus Function Supported (RTU and TCP)................................................................................ 17

5.2. SMA Modbus Data Map ...............................................................................................................17

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5.3. Interpreting Modbus Data............................................................................................................ 25

5.4. Test Procedure –Use CAS Modbus Scanner ................................................................................26

6. Reading BACnet Data ................................................................................................................29

6.1. Most Common BACnet Problem ..................................................................................................29

6.2. Interpreting BACnet Data .............................................................................................................29

6.3. BACnet Objects.............................................................................................................................29

6.4. BACnet Test Procedure.................................................................................................................38

7. Commissioning, Diagnostics and Trouble Shooting .....................................................................44

7.1. What to Take to Site for Commissioning...................................................................................... 44

7.2. Gateway Status............................................................................................................................. 48

7.3. Gateway Diagnostics ....................................................................................................................48

7.4. Debug log...................................................................................................................................... 49

7.5. Veeder Device Connection ........................................................................................................... 51

7.6. Another Method for Changing the IP Address - DHCP.................................................................53

7.7. Discovering the Gateway.............................................................................................................. 54

7.8. Downloading New Firmware........................................................................................................54

8. Specifications............................................................................................................................56

9. SMA Enumerations....................................................................................................................57

9.1. SMA Invertor Data Enumerations ................................................................................................57

9.1.1. Mode ..................................................................................................................................... 57

9.1.2. Grid Type ............................................................................................................................... 57

9.1.3. Balancer................................................................................................................................. 57

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9.1.4. Backup State.......................................................................................................................... 57

9.1.5. Error....................................................................................................................................... 58

9.2. SMA Sunny Island Data Enumerations .........................................................................................59

9.2.1. Mode ..................................................................................................................................... 59

9.2.2. Invertor Operating State (InvOpStt) ...................................................................................... 59

9.2.3. Relay State (Rly1Stt, Rly2Stt)................................................................................................. 59

9.2.4. Battery Charging Process (BatChrgOp) .................................................................................59

9.2.5. Absorption Phase (AptPhs).................................................................................................... 59

9.2.6. GnDmdSrc.............................................................................................................................. 59

9.2.7. GnStatus ................................................................................................................................ 60

9.2.8. GnRnStatus............................................................................................................................ 60

9.2.9. CHPStatus.............................................................................................................................. 60

9.2.10. Address (Adr) ..................................................................................................................... 60

9.2.11. Operating Status (OpStt) ................................................................................................... 60

9.2.12. Card Status (CardStt) ......................................................................................................... 61

9.2.13. Error ................................................................................................................................... 61

10. Revision History.....................................................................................................................62

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1. SMA Gateway Description

The SMA Gateway connects to a SMA Sunny Webbox via an Ethernet (TCP/IP) connection. The SMA

Gateway can then be configured to poll for data values from a number of devices that are connected to

the Webbox. These devices can be Sunny Invertors, SensorBox, or Sunny Islands.

After configuration, the Gateway will poll and read the data from the SMA devices and stores it

internally. When a remote system requests data, this data is served in a form that is appropriate to the

requesting protocol (Modbus TCP/RTU or BACnet). In the event that the connection to the SMA

Webbox is lost, or data cannot be read, the gateway can signal this to the remote data clients by

changing all the values currently stored to a predefined default value.

The Gateway requires configuration that will be described later in this document.

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2. Connections

2.1. Block Diagram

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Tel: (866) 383-1657, Fax: (416) 915-4024

2.2. Wiring / Connections

2.2.1. Modbus RTU Connections

Port 0 –RS485 Mode Terminals

All 4 jumpers required for 2 wire operation.

CAS recommends the use of 3 conductors for so called 2-Wire RS485.

The signal common is there for purpose.

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2.3. Limitations and Best Practices

Maximum Number of SMA Sunny Webboxes per Gateway

Only 1 SMA Sunny Webbox can be connected to a single gateway.

RS232 Best Practices

We recommend a maximum of 30ft for the RS232 cable. A well-made cable in a clean environment

can easily run to 100ft and provide satisfactory performance.

CAS-2700-24 SMA Gateway Manual Page 10 of 62

2014© Chipkin Automation Systems, 3495 Cambie St. Unit211, Vancouver, BC, Canada, V5Z 4R3

Tel: (866) 383-1657, Fax: (416) 915-4024

3. Configuration and Settings

3.1. SMA Sunny Webbox Connection Settings

To poll for data from a Sunny Invertor, Sunny Island, or SensorBox all that is needed is the IP address

of the Sunny Webbox that these devices are connected to.

3.2. SMA Sunny Webbox Configuration Options

The following options are set to determine how the data from the SMA devices is handled.

- Night Data –SMA Invertors turn off at night. By enabling this option and selecting one of

the Night data methods, empty values will be replaced with either a zero value or the last

successfully polled value.

- Night Data Method

oUse Default Value –Uses the supplied default value to represent Invertor data at

night.

oUse Last Polled Values –Uses the last successfully polled Invertor data to represent

Invertor data at night. If no such data is available, the supplied default value is used.

- Default Value –The value that all points are set to initially and when the device is

disconnected or offline.

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