Festo IFB11-03, Electronic Manual

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B. Accessories
B−41
Festo P.BE−VIFB11−03−EN en 0503g
B.6.4 Assembly Object: Class Code 04 (0x04)
Two Instances of Assembly Object are supported. Instance 1
is for input data and Instance 2 is for output data. The only
supported assembly instance attribute is the Value At
tribute(#3). The Get Service is supported for the assembly
instances. Set Service is supported for the output assembly.
Assembly Object Class Attributes
No class service supported
Assembly Object Instance 1 Attribute 3
The following table shows the I/O Assembly data attribute
format for the input data containing multiple discrete inputs
(Discr Input 0...N) and multiple status inputs (Stat Input).
Instance Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
1 0 Discr
Input 7 Discr
Input 6 Discr
Input 5 Discr
Input 4 Discr
Input 3 Discr
Input 2 Discr
Input 1 Discr
Input 0
1 Discr
Input
15 Discr
Input
14 Discr
Input
13 Discr
Input
12 Discr
Input
11 Discr
Input
10 Discr
Input
9 Discr
Input
8
•
•
•
K Stat
Input
M Stat
Input
M−1 Stat
Input
M−2 Stat
Input
M−3 Discr. Input N...N−3
or
Unused (0 to 3 bits)
The number of bytes 0...K used/allocated depends on the assembled I/O size of the valve terminal
(see Chapter 4.1)