Siemens SIMATIC ET 200S Manual page 58

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 I/O controller.
Switching on
1. Switch on all the power supplies of the ET 200S.
2. Observe the status LEDs on the I/O controller, ET 200S and switch.
-- CPU 317-2 PN/DP:
DC 5V: lit
SF: off
BF2: off
LINK: lit
-- ET 200S:
SF: Off
BF: Off
ON: lit
LINK: lit
-- Switch:
LINK: lit
100MB: lit
2-16
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)
ET 200S Distributed I/O System
EWA-4NEB 780602402-12