# Device Model Management
## 1. Function Overview
Device Model Management is used to uniformly maintain factory equipment classification information and equipment asset ledger information, achieving standardized equipment classification and transparent equipment asset information, providing basic data support for equipment inspection, maintenance, and servicing operations.
**Core Features:**
- Equipment Category Management: Define equipment classification information and unify equipment category standards
- Equipment Information Management: Maintain all equipment asset information in the factory, with automatic association between equipment information and equipment categories
**Feature Screenshots:**
Figure 1: Device Model Function Page
Figure 2: Equipment Category Function Page
Figure 3: Equipment Information Management Function Page
## 2. Term Definitions
#### 2.1 Device Model Related Terms
| Term | Definition | Description |
|------|------------|-------------|
| Equipment Category | Classification of equipment | Define equipment by function or purpose, such as OCV equipment category for all OCV equipment in the ledger |
| Equipment Information Management | Management of factory equipment | Archive records of all equipment assets in the factory, including asset code, device code, plant area, production line, etc. |
| Fixed Asset Code | Asset code of equipment | Unique asset number in enterprise asset management |
| Device Code | Fixed code information of equipment | Unique identification code for equipment in the system, used as the unique code for equipment docking |
| PPM | Pieces per minute produced by equipment | - |
| Designed PPM | PPM achievable as specified in equipment technical agreement | Used for equipment OEE calculation |
| IP | IP address of PC | IP address for communication between equipment and system |
---
## 3. Device Model Function Description
### 3.1 Equipment Category Management
Equipment Category Management is used to uniformly define factory equipment categories, providing classification basis for equipment information management and achieving standardized management of equipment classification.
**Core Features:**
- Add new equipment categories
- Edit equipment category information
- Query equipment category information
- Provide category basic data for equipment information management
**Field Description:**
Equipment category information includes the following fields:
| Field | Description | Required |
|-------|-------------|----------|
| No. | System-generated record serial number | - |
| Equipment Category Code | Unique code for equipment category | ✓ |
| Equipment Category Name | Name of equipment category, e.g., OCV Category | ✓ |
| Remarks | Supplementary description for equipment category | - |
| Creation Time | Record creation time, automatically generated by system | - |
---
#### 3.1.1 Add Equipment Category
**Operation Steps:**
1. Navigate to [Equipment Management] → [Device Model] → [Equipment Category]
2. Click [Add] button
3. Enter equipment category code
4. Enter equipment category name
5. Fill in remark information
6. Click [Save] button to complete the addition
**Field Description:**
| Field | Description | Required |
|-------|-------------|----------|
| Equipment Category Code | Suggested to code according to equipment classification rules (English code) | ✓ |
| Equipment Category Name | Equipment classification name (can be Chinese) | ✓ |
| Remarks | Supplementary description for equipment category | - |
**[Tip]** It is recommended to name equipment category codes according to unified rules for easy maintenance.
**Feature Screenshot:**
Figure 1: Equipment Category Add Function Page
---
#### 3.1.2 Query Equipment Category
**Query Conditions:**
| Query Condition | Description |
|----------------|-------------|
| Equipment Category Code | Query by category code |
| Equipment Category Name | Fuzzy query by category name |
**Operation Steps:**
1. Navigate to [Equipment Management] → [Device Model] → [Equipment Category]
2. Enter equipment category code or category name
3. Click [Query] button
4. The system returns a list of equipment categories that match the conditions
**Feature Screenshot:**
Figure 1: Equipment Category Query Function Page
---
#### 3.1.3 Edit/Delete Equipment Category
**Operation Steps:**
1. Navigate to [Equipment Management] → [Device Model] → [Equipment Category]
2. Select the target record in the equipment category list
3. Click [Edit] button in the operation column
4. Edit/Delete the equipment category
5. Click [Confirm] to complete the operation
**[Note]** If the equipment category has been referenced by equipment information management, it is recommended to carefully edit/delete the category code.
**Feature Screenshot:**
Figure 1: Equipment Category Edit Function Page
Figure 2: Equipment Category Delete Function Page
---
### 3.2 Equipment Information Management
Equipment Information Management is used to maintain factory equipment asset archive information, including equipment asset code, equipment classification, production line, network information, etc., providing basic data support for equipment lifecycle management.
**Core Features:**
- Add new equipment information
- Edit equipment asset information
- Query equipment asset information
- Equipment classification association
- Equipment status archive maintenance
**Field Description:**
Equipment information management includes the following fields:
| Field | Description | Required |
|-------|-------------|----------|
| No. | System-generated record number | - |
| Equipment Fixed Asset Code | Unique financial asset code | ✓ |
| Device Code | Unique system device number | ✓ |
| Device Name | Equipment name | ✓ |
| Equipment Category | Corresponding category in equipment category management | ✓ |
| Designed PPM | Designed PPM value at equipment purchase | ✓ |
| Plant Area | Belonging plant area | ✓ |
| Production Line | Belonging production line | ✓ |
| IP | Equipment IP address | - |
| Entry Date | Equipment entry date | - |
| Remarks | Equipment supplementary description | - |
| Creation Time | System-generated | - |
#### 3.2.1 Add Equipment Information
**Operation Steps:**
1. Navigate to [Equipment Management] → [Device Model] → [Equipment Information]
2. Click [Add] button
3. Fill in equipment fixed asset code
4. Fill in device code and device name
5. Select equipment category
6. Fill in PPM area, production line, IP, entry date, etc.
7. Click [Save] button to complete the addition
**Field Description:**
| Field | Description | Required |
|-------|-------------|----------|
| Device Code | Unique device code | ✓ |
| Device Name | Device name | ✓ |
| Equipment Category | Associated equipment category | ✓ |
| Designed PPM | Planned PPM at equipment purchase | ✓ |
| Plant Area | Belonging production area | ✓ |
| Production Line | Belonging production line | ✓ |
| IP | Equipment IP address | - |
| Equipment Fixed Asset Code | Financial fixed asset number | - |
| Entry Date | Equipment entry date | - |
| Remarks | Supplementary description | - |
**[Tip]** It is recommended that the device code be consistent with the on-site equipment nameplate number for easy management.
**Feature Screenshot:**
Figure 1: Equipment Information Add Function Page
---
#### 3.2.2 Query Equipment Information
**Query Conditions:**
| Query Condition | Description |
|----------------|-------------|
| Device Code | Query by device code |
| Device Name | Fuzzy query by device name |
| Equipment Category | Filter by equipment category |
| Production Line | Filter by belonging production line |
**Operation Steps:**
1. Navigate to [Equipment Management] → [Device Model] → [Equipment Information]
2. Enter query conditions
3. Click [Query] button
4. The system displays the equipment information management list
**Feature Screenshot:**
Figure 1: Equipment Information Query Function Page
---
#### 3.2.3 Edit/Delete Equipment Information
**Operation Steps:**
1. Navigate to [Equipment Management] → [Device Model] → [Equipment Information]
2. Select the target equipment in the equipment information management list
3. Click [Edit]/[Delete] button in the corresponding column
4. Edit/Delete equipment information
5. Click [Confirm] button to complete the operation
**[Note]** When editing/deleting equipment information for equipment already in use, confirm whether related business configurations are affected.
**Feature Screenshot:**
Figure 1: Equipment Information Edit Function Page
Figure 2: Equipment Information Delete Function Page
## 4. Business Relationship Description
There is a master-slave relationship between equipment category management and equipment information management:
```mermaid
flowchart LR
A[Equipment Category Management] --> B[Equipment Category Definition]
B --> C[Equipment Information Management]
C --> D[Equipment Inspection]
C --> E[Equipment Repair]
C --> F[Equipment Maintenance]
C --> G[Equipment Consumables Management]
C --> H[Equipment Repair Management]
```