QUESTION 10 1:1/1 Rung 1 36 C5:1/DN Rung 2E Rung 3 Rung 4 C5:1/DN 1:1/2 36 -CTU- COUNT-UP COUNTER Counter Preset Accumulated C5:1 50 0 33 (CU) (DN) 0:2/0 (CH 0:2/1 C5:1 (Res What type of counter is being used in the above ladder logic program O Count down counter O Count up counter O Count up/down counter O none of the above

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**Ladder Logic Program Explanation**

In the image, there's a ladder logic diagram consisting of four rungs. Here’s a detailed breakdown of the elements and functionality:

### Rung 1:
- **Instructions:**
  - `I:1/1` - Input instruction.
  - **Count-Up Counter (CTU):** 
    - **Counter**: Addressed as `C5:1`.
    - **Preset**: Set to 50.
    - **Accumulated**: Starts at 0.
    - `(CU)` - Count-Up bit.
    - `(DN)` - Done bit.

### Rung 2:
- **Instructions:**
  - `C5:1/DN` - Done bit of the counter.
  - **Output:**
    - `O:2/0` - Output instruction.

### Rung 3:
- **Instructions:**
  - `C5:1/DN` - Done bit of the counter.
  - **Output:**
    - `O:2/1` - Output instruction.

### Rung 4:
- **Instructions:**
  - `I:1/2` - Input instruction.
  - `C5:1` (Res) - Counter Reset.

**Question:**
- What type of counter is being used in the above ladder logic program?

  Choices:
  - [ ] Count down counter
  - [ ] Count up counter
  - [ ] Count up/down counter
  - [ ] None of the above

**Correct Answer:**
- Count up counter

**Instructions for Submission:**
- Click 'Save and Submit' to save and submit your answer. Use 'Save All Answers' to save all responses.
Transcribed Image Text:**Ladder Logic Program Explanation** In the image, there's a ladder logic diagram consisting of four rungs. Here’s a detailed breakdown of the elements and functionality: ### Rung 1: - **Instructions:** - `I:1/1` - Input instruction. - **Count-Up Counter (CTU):** - **Counter**: Addressed as `C5:1`. - **Preset**: Set to 50. - **Accumulated**: Starts at 0. - `(CU)` - Count-Up bit. - `(DN)` - Done bit. ### Rung 2: - **Instructions:** - `C5:1/DN` - Done bit of the counter. - **Output:** - `O:2/0` - Output instruction. ### Rung 3: - **Instructions:** - `C5:1/DN` - Done bit of the counter. - **Output:** - `O:2/1` - Output instruction. ### Rung 4: - **Instructions:** - `I:1/2` - Input instruction. - `C5:1` (Res) - Counter Reset. **Question:** - What type of counter is being used in the above ladder logic program? Choices: - [ ] Count down counter - [ ] Count up counter - [ ] Count up/down counter - [ ] None of the above **Correct Answer:** - Count up counter **Instructions for Submission:** - Click 'Save and Submit' to save and submit your answer. Use 'Save All Answers' to save all responses.
Expert Solution
Step 1

Introduction:

A counter in PLC is a function block that counts up or down until it reaches a limit. The output is set when the limit is reached. A counter is a PLC instruction that increments (counts up) or decrements (counts down) an integer value when requested by a bit transition from 0 to 1 .

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