10.4.11 Data Types Supported by AF-650 GP
Unsigned means that there is no operational sign in the telegram.
Data types
Description
3 Integer 16
4Integer 32
5 Unsigned 8
6Unsigned 16
7 Unsigned 32
9Text string
10 Byte string
13 Time difference
33 Reserved
35 Bit sequence
10.4.12 Conversion
The various attributes of each parameter are displayed in the section Factory
Settings. Parameter values are transferred as whole numbers only. Conver-
sion factors are therefore used to transfer decimals.
Par. F-16 Motor Speed Low Limit [Hz] has a conversion factor of 0.1.
To preset the minimum frequency to 10 Hz, transfer the value 100. A conver-
sion factor of 0.1 means that the value transferred is multiplied by 0.1. The
value 100 is thus perceived as 10.0.
Conversion table
Conversion index Conversion factor
74 0.1
2 100
110
0 1
-1 0.1
-2 0.01
-3 0.001
-4 0.0001
-5 0.00001
10.4.13 Process Words (PCD)
The block of process words is divided into two blocks of 16 bits, which always occur in the defined sequence.
PCD 1
PCD 2
Control telegram (master⇒slave Control word)
Reference-value
Control telegram (slave ⇒master) Status word
Present outp. frequency
AF-650 GP Design Guide
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