Data Exchange with the SM 335
3-18
SM 335 – High-Speed Analog Input/Output Module for the SIMATIC S7-300
6ES7 335-7HG00-8BA1
3.3.2 SM 335 parameters in the Free Cycle and Conditional Cycle
Modes
Data Record 1 (DR1)
Data record 1 (DR1) of the SM 335 contains dynamic parameters (see Table 3-11).
The parameters are set via HW Config, or can be modified via system function 55.
Data record DR1 must always be completely transferred using system function 55.
Table 3-11 SM 335 parameters in Data Record 1 (DR1)
Byte
Content Default
0 Interrupt and substitute value output 00
H
1 Reserved 00
H
2 Measuring range for analog input channel
CH0
19
H
3 Measuring range for analog input channel
CH1
19
H
4 Measuring range for analog input channel
CH2
depends on
measuring range mod-
5 Measuring range for analog input channel
CH3
ule setting
(see Table 3-12)
6 Output range for analog output channel CH0 19
H
7 Output range for analog output channel CH1 19
H
8 Output range for analog output channel CH2 19
H
9 Output range for analog output channel CH3 19
H
10 Measuring cycle time 01
H
11 Dynamic measurement cycle control:
fixed in Free Cycle and
Conditional Cycle modes: 00
H
00
H
12 Open-wire test 00
H
13 Factor for interval counter monitoring time
(see Section 4.4)
00
H
To Next Page
Loading...
