Configuration
4.22 Data points
TIM 1531 IRC
112 Operating Instructions, 02/2018, C79000-G8976-C468-02
Note
Effect of the change of arrays for data points
If an array is modified later, the data point must be recreated.
The direction of the data transfer is specified in the "Data point type" column.
● Input = Monitoring direction
The objects (right column) for the monitoring direction have the abbreviation "_S".
● Output = Control direction
The objects (right column) for the control direction have the abbreviation "_R".
Table 4- 6 Supported data point types and compatible S7 data types
Format (memory
requirements)
Number of data
points per object
1)
1)
Integer with sign
(16 bits)
2)
1)
1)
Counter input UInt, Word I, Q, M, DB 4 Cnt04D_S
1)
1)
Counter output
1)
UDInt, DWord Q, M, DB 4 Cnt04D_R
1)
Floating-point
number (32 bits)
Data block
(4 .. 48 bytes)
ARRAY [1...12] of
DInt / UDInt /
DWord / Real
3)
2)
1)
1)
Only ST7-TIM as master station or node station
See below, section "1: Mirroring back”
3)
See below, section "2: Data block"