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  The EASY 204-DP module >>

by Dieter Bauerfeind

The EASY204-DP was developed as a communication bus for automation tasks with the PROFIBUS DP. The EASY204-DP can only be operated in conjunction with the expandable EASY6.. basic units. The device is always configured as a PROFIBUS-DP slave in the network.

Device function description >>

The EASY204-DP module connects the PROFIBUS-DP master with an expandable EASY6... control relay. The following data can be transmitted in accordance with the module selection made in the PROFIBUS-GSD file:

  • S1 to S8; EASY6.. output range, “Run”/“Stop” (Inputs from DP master)
  • R1 to R16; EASY6.. input range, “Run”/“Stop” (Outputs from DP master)

All data of the function relay (read, as seen by DP master):

  • timing relay
  • counter relay
  • clock timer
  • analog value comparator
  • weekday, time, summer time/winter time
  • all states of the EASY6.. relay and contacts

The setpoint values of the function relay (write, as seen by the DP master):

  • timing relay
  • counter relay
  • clock timer
  • analog value comparator
  • weekday, time, summer time/winter time

Figure 1 shows an EASY621-DC-TC together with an EASY204-DP module.



Fig. 1: EASY621-DC-TC + EASY204-DP

     
         
         
         
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