Danfoss FC 300 Interbus Instrukcje Operacyjne Pobierz pdf (Strona 17)

5. How to Control the FC 300

5.1.1. Process Data

The Process Data provides an agile way of controlling the FC 300 frequency converter. Two different telegram-types are for process data are supported:

• Standard Telegram 1, is a telegram with 4 PCD’s. The two first PCD’s is for holding Control word and reference for Master-to-slave comm. And

Status word and Main Actual Value for Slave-to-master comm. The last two PCD’s (3 and 4) is reserved for future use, and contains only 0’s.

• Custom Telegram 1, is a telegram with 4 PCD’s that in addition also holds information on digital and analogue I/O’s and torque limit.

See section

How to Install

for more information on how to select the different telegram profiles.

5.1.2. Standard Telegram 1

The Process Data length is fixed to 4 words, each of two bytes, with the following format:

Master slave→

PCD Name Function

1 Control Word Sends the Control Word to the frequency converter. The format depends of the setting of par.

8-10.

2 Reference Sends the reference in %. See section:

Bus speed reference value

Slave master→

PCD Name Function

1 Status Word Sends the Status word from the frequency converter. The format depends of the setting of par.

8-10.

2 Actual value Sends actual output frequency in %. See section:

Bus speed reference Value

FC 300 Interbus Operating Instructions 5. How to Control the FC 300

MG.33.H3.02 - VLT is a registered Danfoss trademark

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 44 45

Komentarze do niniejszej Instrukcji

Brak uwag

Danfoss FC 300 Interbus Instrukcje Operacyjne Strona 17

Komentarze do niniejszej Instrukcji

Powiązane produkty i podręczniki dla Zasilacze i falowniki Danfoss FC 300 Interbus