Function
2-1 Robostar Co., Ltd
Chapter 2. Function
2.1 Profibus-DP device type and function
2.1.1 DP Master class1(DPM1)
This is a central controller which exchanges information periodically with the
dispersed station (Slave) within the defined Message cycle. Its conventional device
includes Programmable Logic Controllers(PLC) or PC.
2.1.2 DP Master class2(DPM2)
Used for engineering or setting/operation device type, setting of a connected
device, evaluating measurements and parameters and commissioning for request of
device status, as well as for maintaining and diagnosing use.
2.1.3 DP Slave
Slave is a peripheral device (I/O device, drive, HMI, valve, measurement transducer)
which sends output data to the peripheral device by gathering input data, and a
certain device supplies only one - input or output data.
Req : request, Res : response ○: Essential function, △ : Optional function, - : No function
Table 2.1 Alarms for Profibus-DP Function
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