English (UK) Counter Elements
CTU
Image
Description
Every rising trigger of CU increases the current value (CV) by one. The rising trigger of R resets CV to 0. If CV >= PV: Q gets TRUE.
Properties
| CU | Boolean |
| R | Boolean |
| PV | Integer |
| Q | Boolean |
| CV | Integer |
| Add Inputs | No Inputs Addable |
| Add Outputs | No Outputs Addable |
CTD
Image
Description
Every rising trigger of CD decreases the current value (CV) by one. The rising trigger of LD loads PV to CV. If CV <= 0: Q gets TRUE.
Properties
| CU | Boolean |
| LD | Boolean |
| PV | Integer |
| Q | Boolean |
| CV | Integer |
| Add Inputs | No Inputs Addable |
| Add Outputs | No Outputs Addable |
CTUD
Image
Description
The CTUD-Element is a combination of the CU-Element and the CD-Element. Every rising trigger of CU increases the current value (CV) by one. Every rising trigger of CD decreases the current value (CV) by one. The rising trigger of R resets CV to 0. The rising trigger of LD loads PV to CV. If CV >= PV: Q gets TRUE. If CV <= 0: QD gets TRUE.
Properties
| CU | Boolean |
| CD | Boolean |
| R | Boolean |
| LD | Boolean |
| PV | Integer |
| QU | Boolean |
| QD | Boolean |
| CV | Integer |
| Add Inputs | No Inputs Addable |
| Add Outputs | No Outputs Addable |