Siemens SIMATIC ET 200S Manual page 48

Brief Instructions on Commissioning ET 200S
Integration in the user program
1. Create the OB 1 user program in the LAD/STL/FBD editor.
Example 1: Reading an input and controlling 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:
DC 5V: lit
SF DP: off
BUSF: off
-- ET 200S:
SF: Off
BF: Off
ON: lit
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
to 0.7)
Transfer the contents of the accumulator to
I/O output byte 0 (bits 0.0 to 0.7)
(bits 0.0
ET 200S Distributed I/O System
EWA-4NEB 780602402-12