THRSe wiring and programming example

This example complies with ISO 13849-1 Category 4 operation. The standard control portion of the application is not shown. There are (2) two-hand run stations are shown connected to a 1791DS-IB12 module.

Wiring Diagram

This programming diagram logically illustrates the use of two THRSe instructions. If one of the Two-hand Run Station's buttons is released, the output is de-energized and the other Two-hand Run Station's buttons must also be released before the output can be energized again.

Programming Diagram

Ladder Diagram

The programming software is used to configure the input and test output parameters of the

Guard I/O

module, as illustrated.

Module Definition

Rockwell Automation

suggests selecting

Exact Match

for the

Electronic Keying

as shown. You can also select

Compatible Match

.

Module Input Configuration

Module Test Output Configuration