www.dadehpardazan.ir 88594014-154.3 260IF Module Setup4-134Saving ParametersOnce the parameters have been set, select File and then Save from the menu to save the set-tings.Additional Explanation of I/O Allocation Settings1. Master/SlaveSet the same value as that set on SW1 (X1) on the 260IF Module.2. MAC IDSet the same value as that set on SW2 and SW3 on the 260IF Module.3. Communications Cycle TimeEnter the communications cycle time calculated in 4.2 Calculating CommunicationsCycle Times.This setting is not required when the 260IF Module is used as a DeviceNet Slave.4. I/O AllocationsAllocate the I/O registers for data exchange between the Controller CPU and the 260IFModule according to the DeviceNet system configuration.Master I/O Allocations ExampleThe settings in the following diagram are made when, for example, the 260IF Module is tobe used as the DeviceNet Master with MAC ID = 5 and I/O data is to be exchangedbetween the 260IF Module and a 2-byte Output Module with MAC ID = 2 and a 1-byteInput Module with MAC ID = 3.Setting ContentsEM(ExplicitMessage)EM is turned ON when the 260IF Module is set as a DeviceNet Master andonly message communications are performed with Slaves.The EM allocation setting is not required when the 260IF Module is set as aDeviceNet Slave.Comment The name and type of the relevant device and other information can be enteredas a character string of up to 32 characters.