A customer requested that we be able to send the XL Line Speed to the PLC via MODBUS. They are unable to add an Analog card to their PLC to get this information via analog.

This feature sends the speed as an integer in inches per 100 seconds. This is easily converted to inches per second and provides two decimal places of resolution.

The update rate can also be specified by setting a field in the MODBUS configuration structure. This field indicates how many times per second to update the field. Care must be taken by the customer to only update it as often as required to prevent excessive slowing of other MODBUS features.

Explicit details on how to use configure the feature in MODBUS can be found in the XL200 Series PLC Interface Spec.