Siemens Simatic SM331 - Page 73

Appendix
A.1 Source of the user program
SM331; AI 8x12 Bit Getting Started part 1: 4 -20mA
Getting Started, 11/2006, A5E00253410-02
A-5
L002: NOP 0;
NETWORK
TITLE =Sensor 2 (Channel 2): Lower limit value
U L 9.2; // Channel 2 low limit value
SPBNB L003;
L W#16#4;
L MW 100;
OW ;
T MW 100;
L003: NOP 0;
NETWORK
TITLE =Sensor 2 (Channel 2): Upper limit value
U L 8.2; // Channel 2 upper limit value
SPBNB L004;
L W#16#8;
L MW 100;
OW ;
T MW 100;
L004: NOP 0;
NETWORK
TITLE =Sensor 3 (Channel 3): Lower limit value
// Only for demonstration purposes. Channel 3 has now hardware interrupt capabilities
U L 9.3; // Channel 3 low limit value
SPBNB L005;
L W#16#10;
L MW 100;
OW ;
T MW 100;
L005: NOP 0;
NETWORK
TITLE =Sensor 3 (Channel 3): Upper limit value
// Only for demonstration purposes. Channel 3 has now hardware interrupt capabilities
U L 8.3; // Channel 3 upper limit value
SPBNB L006;
L W#16#20;
L MW 100;
OW ;
T MW 100;
L006: NOP 0;
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