modconnect

Touch.PLS

Principle of Operation

The Touch.PLS, as shown in the block diagram, uses two processors, one for the PLS and the other to  manage, display, and communicate to the PLC. The PLS processor reads its position signals from the  resolver mounted on the machine's shaft. It controls position-based outputs independent of the interface  processor, providing fast repeatable outputs. The PLS processor and the interface processor share  information using a 1,024-register shared memory.

The dynamic informa-tion, such as position, RPM, and  output status, is available to the interface processor for display through registers.

c l o s e t h i s w i n d o w
touch.pls communications

The interface processor also shares data with the connected PLC through a second set of 1,024 registers. This arrangement makes  it easy to display data from both the PLC and PLS on one screen. In addition, 32 registers (16 in each  direction) are used to exchange time-critical information between the PLS and PLC through the interface  processor. These registers can be used to send position, RPM, and output status information to the PLC.