P6-L Simulate UM-EM Part 3
1 Simulate UM-EM Communication
The following file is used in this documentation:
- folder: \Tools-Engines
- file: CDL-P6-UM-EM-Simulation.xlsm
The FRS work process is divided into nine parts:
| Index | Description |
|---|---|
| Part 1 | Assign IO to CCM and CM |
| Part 2 | Mode of Operation, Steps, and Transitions |
| Part 3 | Build CCM-Step-Interaction-Matrix |
| Part 4 | Review Build CCM-Step-Interaction-Matrix Dynamically |
| Part 5 | Review the pCode and Dictionary |
| Part 6 | Build and Modify DSS and SOP |
| Part 7 | Review FRS with MAC |
| Part 8 | Modify CCM Lib and regenerate D-Sheets |
| Part 9a | Add Generic EM to UM |
| Part 9b | Convert instantiated EM to generic Em |
| Part 9c | Simulate U-EM |
In this section, Part 9c - Simulate UM-EM is documented.
The following files are used to develop the UM-EM Simulation:
UM UmR340 - Folder: \Projects-VRT-20236-FRS-Functional-Requirement-Specification - File: P6-CDL-FRS-02b-UmR350-2EM-YN-v01a.xlsm
EM Em - Folder: \Tools-Templates-Templates - File: EmPump-DoSuc-DoMotor-DoDisc-v01a.xlsm (Generic EM) - File: P6-CDL-iFRS-1-02b-UmR350-EMP350A.xlsm (Instantiated EM) - File: P6-CDL-iFRS-2-02b-UmR350-EMP350B.xlsm (Instantiated EM)
1.1 Simulation Design
The simulation is developed using Excel VBA and has the following sections:
Information
UM Step Diagram
EM Step Diagram
Command Section
UM to EM and EM to UM Communication
Log
1.2 Information
This part displays the current information about the simulation:
The section parts are explained below:
| Index | What | Description | Comment |
|---|---|---|---|
| 1 | Time | Timestamp of last cycle | |
| 2 | UM Select Step | UM current step | |
| 3 | UM Request Sent | The UM Request sent to the EM | |
| 4 | EM Step (Row) | The row number of 1st MoO EM Step | |
| 5 | Current EM Step (Row) | The row number of the Current EM Step | |
| 6 | EM Status Returned | The EM Status returned to the UM |
1.3 UM Step Diagram
This part displays the UM step diagram:
The active step has a green background, the inactive steps have a yellow background. The transitions are shown with a gray background.
1.4 EM Step Diagram
This part displays the UM step diagram
| Index | What | Description | Comment |
|---|---|---|---|
| 1 | EM Step | EM Step Number | |
| 2 | Mode of Oper | Mode of Operation | |
| 3 | Pump Em350A | Step Name | |
| 4 | UM Request Target | Assigned UM Request | |
| 5 | Step Time | Time Stamp of Execution | |
| 6 | Alarm | Alarm Status | |
| 7 | MoO Status | MoO Status | |
| 8 | Status | Step Status | |
| 9 | Next step | Next step Row | |
| 10 | Suc BV | Suction BV (C Close) (O Open) | |
| 11 | Pump | Pump Motor (S Stop) (R Run) | |
| 12 | Disc BV | Discharge BV (C Close) (O Open) |
1.5 Command Section
This part displays the command to execute the simulation
The commands are
| Index | What | Description | Comment |
|---|---|---|---|
| 1 | [1] OPER ACK | The operator acknowledges the program request to move a step forward, or Move em Step forward |
|
| 2 | [2] Run 1 Sec | Execute simulation 1 step forward | |
| 3 | [3] Reset | Reset simulation | |
| 4 | [4] Run | Run the program continuously |
The normal order of execution should be
Click the [3] Reset
Click the [4] Run (can be stopped by pressing the “End” key)
Acknowledge the OPER ACK request
However, to understand the simulation, the order should be
Click the [3] Reset
Click the [2] Run 1 Sec
Acknowledge the OPER ACK request
1.6 UM to EM and EM to UM Communication
The following shows the current communication between UM and EM and EM back to UM
1.7 Log
The following shows the log of events
| Index | What | Description | Comment |
|---|---|---|---|
| 1 | Log-N | Index of Log | |
| 2 | Log Time | Timestamp of log | |
| 3 | UM | Current UM Step | |
| 4 | EM MoO | EM mode of Operation | |
| 5 | EM Step | EM Step |
1.8 Normal Operation
Purpose: The purpose of this task is to check the design of UM-EM communication
To Do: Do the following tasks:
Click the [3] Reset button
observe the communication
once it is at SD click the No button on the operator acknowledgement to stop
The log of this operation is shown below:
The operation of the Block Valves and Pump Motor are shown below
In m01 and m02 the Motor is stopped first and the block valves. in m03 motor is assumed running (not turning it on and then off). However, when m03 starts the block valves are turned on first.
1.9 Abnormal Operation
Purpose: The purpose of this task is to show if the UM sends a request and EM encounters an alarm, the UM step can not proceed.
To Do: Do the following tasks:
Click the [3] Reset button
Change cells R12 C14 from True to False (Pull Down)
- Click the [4] Run button
The above error is presented to the operator.
The program then can not proceed forward.
2 Development of FRS UM - EM
The following files are used to develop the UM-EM Simulation:
UM UmR340 - Folder: \Projects-VRT-20236-FRS-Functional-Requirement-Specification - File: P6-CDL-FRS-02b-UmR350-2EM-YN-v01a.xlsm
EM Em - Folder: \Tools-Templates-Templates - File: EmPump-DoSuc-DoMotor-DoDisc-v01a.xlsm (Generic EM) - File: P6-CDL-iFRS-1-02b-UmR350-EMP350A.xlsm (Instantiated EM) - File: P6-CDL-iFRS-2-02b-UmR350-EMP350B.xlsm (Instantiated EM)