Page 374 - Programmable Logic Controllers, Fifth Edition - Mobile version

L1 Inputs Ladder logic program
4_Sensor
<Local:1:I.Data.0> ADD
4_Sensor ADD
Source A Sum_ONS
0
Source B 4

8_Sensor Dest Sum_ONS
0

8_Sensor
12_Sensor <Local:1:I.Data.1> OSR
One Shot Rising OB
Storage Bit Storage_OSR
Output Bit Output_Bit_OSR SB
Clear_Sums

Output_Bit_OSR ADD
ADD
Source A Sum_OSR
0
Source B 8
Dest Sum_OSR
0

12_Sensor
<Local:1:I.Data.2> OSF
One Shot Falling OB
Storage Bit Storage_OSF
Output Bit Output_Bit_OSF SB

Output_Bit_OSF ADD
ADD
Source A Sum_OSF
0
Source B 12
Dest Sum_OSF
0

Clear_Sums_PB
<Local:1:I.Data.3> CLR CLR CLR
Clear Clear Clear
Dest Sum_ONS Dest Sum_OSR Dest Sum_OSF
0 0 0

Figure 15-46 One-shot instructions used in conjunction with math operations.

Bit-Level Programming Part 2 355

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