Ritron DATAFLOW RTU Series Podręcznik Użytkownika Pobierz pdf (Strona 46)

DATAFLOW RTU

EXAMPLE 5

8.6 EXAMPLE 5 illustrates a DATAFLOW RTU system with one RTU configured as a repeater.

Connect the RTUs according to the following 2 tables:

RTU END 1 RF LINK 1 RTU END 2

Input 1 connected to Digital Output 1

Input 2

Input 3

Input 4

Digital Output 1

Digital Output 2

Analog Output 1 connected to Input 1

Analog Output 2

RTU END 1 RF LINK 2 RTU END 3

Input 1

Input 2 connected to Digital Output 1

Input 3

Input 4

Digital Output 1

Digital Output 2

Analog Output 1

Analog Output 2 connected to Input 1

NOTE: In Example 5:

· RTU ID 1 has line of sight with RTU ID 2, and RTU ID 2 has line of sight with RTU ID 3.

· RTU ID 1 DOES NOT HAVE line of sight with RTU ID 3.

· RTU ID 2 is configured as a repeater between RTU ID 1 and RTU ID 3.

8.6.1 RTU ID 1 SETUP: Example 5 requires one DATAFLOW RTU to be wired and its hardware

configured according to Figure B9 - EXAMPLE 5 ID 1 Wiring Diagram on page B-33. Load

Software Programming configuration file EXP5ID1.USR into RTU ID 1.

8.6.2 RTU ID 2 SETUP: Example 5 requires one DATAFLOW RTU to be wired and its hardware

configured according to Figure B10 - EXAMPLE 5 ID 2 Wiring Diagram on page B-34. Load

Software Programming configuration file EXP5ID2.USR into RTU ID 2.

8.6.3 RTU ID 3 SETUP: Example 5 requires one DATAFLOW RTU to be wired and its hardware

configured according to Figure B11 - EXAMPLE 5 ID 3 Wiring Diagram on page B-35. Load

Software Programming configuration file EXP5ID3.USR into RTU ID 3.

8.6.4 EXPLANATION: Using an RTU as a digital repeater can increase DATAFLOW RTU range.

This RTU performs both repeating and normal Input/ Output functions.

Examine the configurations of the three RTUs. Notice the fail-safe performance of each

unit.

· RTU ID 1  send list contains only ID 2.

· RTU ID 2  first line of the REPEAT LIST contains FROM ID 1 and TO ID 3; second

line of the REPEAT LIST contains FROM ID 3 and TO ID 1.

· RTU ID 3  send list contains only ID 2.

NOTE: You must extend the listen time of ID1 and ID3 to .8 seconds to allow for the repeat function.

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Ritron DATAFLOW RTU Series Podręcznik Użytkownika Strona 46

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