Siemens ET 200S Manual page 44

Brief Instructions on Commissioning ET 200S
Integration in the user program
1. Create the user program in the LAD/STL/FBD editor in OB1.
Example 1: Reading an input and driving an output:
STL
A I 0.0
A M 2.0
S Q 0.0
Example 2: Transferring an input byte to an output byte:
STL
L PIB 0
T PQB 0
2. Save the project in SIMATIC Manager.
3. Load the configuration in the DP master.
Switching On
1. Switch on all the power supplies of the ET 200S.
2. Watch the status LEDs on the DP master and ET 200S.
– CPU 315-2 DP:
5 VDC: Lights up
SF DP: Off
BUSF: Off
– ET 200S:
SF: Off
BF: Off
ON: Lights up
Diagnostics
1. In the event of a fault, OB 82 is started. Evaluate the start information in OB 82.
Tip: Call SFC13 in OB 82, and evaluate the diagnostic frame. See
Section 6.6.1.
2-6
Explanation
If input bit 0.0 and
memory bit 2.0 are set, then
set output bit 0.0
Explanation
Load I/O byte 0 in the accumulator
(bits 0.0 to 0.7)
Transfer the contents of the accumulator to
I/O output byte 0 (bits 0.0 to 0.7)
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07