BECKHOFF IPxxxx-B520 - Manual (Page 24)

Analog Input Point Object
21 IPxxxx-B520
6 Analog Input Point Object
Analog Input Points
The Analog Input Point Class allows the access to the IO-Data and the
Register Data of each analog channel of the IPxxxx. At Boot Up the IPxxxx
determines the number of analog input channels and creates one instance
of the object class for each channel.
Class Code:
10 (0Ahex)
Class Attributes
Attribute
ID
Access
Rule
Name Data
Type
Description Semantics of
Value
1 get Revision UINT Revision of implementation 1
2 get Max. Instance UINT Max. number of instances
Instance Attributes
Attribute
ID
Access
Rule
Name Data
Type
Description Semantics of Value
3
(03hex)
get Value INT or
based on
Attribute 8
Value of analog input Number of Bytes
differs between ana-
log and special signal
boxes
4
(04hex)
get Status BOOL Indicates fault or alarm
conditions 0 = OK,
1 = alarm or fault
see semantics
7
(07hex)
get Input Range USINT Input Range 0 = -10 to 10V,
2 = 0V to 10V
3 = 4mA to 20mA
8 = 0mA to 20mA
100 = Vendor Spec.
101 = Resistor
102 = Thermo
103 = SSI
104 = Increment
105 = Serial
8
(08hex)
get Value Data
Type
USINT Datatype of Value 0 = INT
6 = UINT
100 = Vendor specific
100
(64hex)
get/set
1
Register 0 DWORD Value of Register 0 of
the analog input chan-
nel See semantics
: : : : : :
106
(6Ahex)
get Register 6 DWORD Diagnosis Register see semantics
: : : : : :
163
(A3hex)
get/set
1
Register 63 DWORD Value of Register 63 of
the analog input chan-
nel see semantics
170
(AAhex)
get Value Length USINT Value length in Bytes
1: before writing the registers the write protection of the registers has to be disabled.