This manual describes the application interface of the DeviceNet-Slave stack for netX products. The goal of this manual is to support the developer during the integration process of the given stack into auser Application. This stack is based on the Hilscher Task Layer Reference Programming Model. It is a description ofhow to program a task in general, which is defined as a combination of appropriate functions belonging to the same type of protocol layer. It furthermore defines of how different tasks have to communicate with each other in order to exchange their layer information in between. The Reference Model is commonly used by all programmers at Hilscher and shall be used by you as well when writing your application task on top of the stack.