> For the complete documentation index, see [llms.txt](https://wecon.gitbook.io/pistudio-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wecon.gitbook.io/pistudio-manual/11.-plc-protocols/hitachi-ehv-series-ethernet.md).

# 11.5 Hitachi EHV Series (Ethernet)

Supported series: Hitachi EHV series

**HMI settings**

| **Items**  | **Settings**       | **Note** |   |
| ---------- | ------------------ | -------- | - |
| Protocol   | Hitachi EHV series |          |   |
| Connection | Ethernet           |          |   |
| Port No.   | 3004\~3007         |          |   |

**Address list**

| **Type** | **Register** | **Range**        | **Format**   | **Note**                                                                                                                                                                                                                                                                                                                    |
| -------- | ------------ | ---------------- | ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Bit      |              |                  |              |                                                                                                                                                                                                                                                                                                                             |
|          | T            | 0 - 2545         | T DDDD       |                                                                                                                                                                                                                                                                                                                             |
|          | M            | 0 - 7FFF.f (Hex) | M HHHH.h     |                                                                                                                                                                                                                                                                                                                             |
|          | X            | 0 – FFFF.f (Hex) | X H1H2H3H4.h | <p>H1H2H3H4 Module main number</p><p>H1: Remote number</p><p>H2: Unit number</p><p>H3: Slot number</p><p>H4: Word number of Module</p><p>H Sub number of Module</p><p>For example: X21.3</p><p>Slot number 2</p><p>Word number of module is 1</p><p>Bit number of module is 3</p><p>Remote number and unit number are 0</p> |
|          | Y            | 0 – FFFF.f (Hex) | Y H1H2H3H4.h |                                                                                                                                                                                                                                                                                                                             |
|          | R            | 0 – FF.f (Hex)   | R HH.h       |                                                                                                                                                                                                                                                                                                                             |
|          | L            | 0 - 73FF.f (Hex) | L HHHH.h     |                                                                                                                                                                                                                                                                                                                             |
| Word     |              |                  |              |                                                                                                                                                                                                                                                                                                                             |
|          | WM           | 0 - 7FFF (Hex)   | WM HHHH      |                                                                                                                                                                                                                                                                                                                             |
|          | WX           | 0 – FFFF (Hex)   | WX H1H2H3H4  | <p>H1H2H3H4 Module main number</p><p>H1: Remote number</p><p>H2: Unit number</p><p>H3: Slot number</p><p>H4: Word number of module</p><p>For example: WX21</p><p>Word number of module is 1</p><p>Slot number is 2</p><p>Remote number and unit number are 0</p>                                                            |
|          | WY           | 0 – FFFF (Hex)   | WY H1H2H3H4  |                                                                                                                                                                                                                                                                                                                             |
|          | WR           | 0 – FFFF (Hex)   | WR HHHH      |                                                                                                                                                                                                                                                                                                                             |
|          | WL           | 0 - 73FF (Hex)   | WL HHHH      |                                                                                                                                                                                                                                                                                                                             |
|          | TC           | 0 - 2559         | TC DDDD      |                                                                                                                                                                                                                                                                                                                             |

**Communication settings in HMI**

1\) Enable HMI Ethernet in \[Project Settings];

![](/files/-LvOB_seMBkYjSPudsg7)

2\) Set PLC IP in \[Device IP] settings;

![](/files/-LvOB_sf21s3jn0rbJjk)

**PLC configuration**

1\) Connect with PLC, select \[Online mode];

![](/files/-LvOB_sg3e7SrkCuVzx4)

2\) Set IP address, it is the same LAN parameters with HMI;

![](/files/-LvOB_sh4Z_BuCI4Jfu5)

3\) Save PLC communication parameter, and restart PLC

**PLC monitor mode**

1\) Connect with PLC and choose to “online” mode

![](/files/-LvOB_si-LK0Dca5NjxG)

2\) Open I/O monitor sheet 1

![](/files/-LvOB_sjwAikZygzM3FZ)

3\) During monitoring bit address, 1 pts should be selected; during monitoring word address, 16 pts should be selected

![](/files/-LvOB_skRrmPsqG1zVql)

4\) Enter the register address, click OK to view the value of the register.

![](/files/-LvOB_slmiJ8JVkaYNhK)

![](/files/-LvOB_smcZJ8-SGmcNRJ)

✎**Note:**

1\) Both word registers and bit registers support even continuous read/write functions;

2\) The range of registers is based on the specific PLC type;

**Communication cable**

![](/files/-LvOB_sn-HoYbnWLCR_u)