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Siemens SIMATIC S7 System Manual page 817

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D.15 SMB66-SMB85 (PTO0/PWM0, PTO1/PWM1), SMB166-SMB169 (PTO0), SMB176-SMB179 (PTO1), and SMB566-S
S7-200 SMART
SM address
symbol name
PTO0_Seg_Num
SMB166
PTO0_Profile_Offset
SMW168
Table D- 16
High-speed output 1 configuration and control
S7-200 SMART
SM address
symbol name
PTO1_Status
SMB76
PLS1_Abort_AE
SM76.4
PLS1_Disable_UC
SM76.5
PLS1_Ovr
SM76.6
PLS1_Idle
SM76.7
PLS1_Ctrl
SMB77
PLS1_Cycle_Update
SM77.0
PWM1_PW_Update
SM77.1
PTO1_PC_Update
SM77.2
PWM1_TimeBase
SM77.3
SM77.4
PTO1_Operation
SM77.5
PLS1_Select
SM77.6
PLS1_Enable
SM77.7
PLS1_Cycle
SMW78
PWM1_PW
SMW80
PTO1_PC
SMD82
PTO1_Seg_Num
SMB176
PTO1_Profile_Offset
SMW178
S7-200 SMART
System Manual, V2.3, 07/2017, A5E03822230-AF
Special memory (SM) and system symbol names
Function
Byte data type: The currently executing segment number for PTO0's
profile
Word data type: Starting location of PTO0's profile table (byte offset from
V0)
Function
PTO1 Status
PTO1 profile was aborted due to an add error: FALSE: No abort;
TRUE:Aborted
PTO1 user manually disabled a PTO profile while it was running: FALSE:
Not disabled; TRUE: Manually disabled
PTO1 pipeline overflow/underflow, loading pipeline while full or transfer-
ring an empty pipeline: FALSE: No overflow; TRUE: Pipeline over-
flow/underflow
PTO1 idle: FALSE: PTO in progress; TRUE: PTO is idle
Monitor and control PTO1 (Pulse Train Output) and PWM1 (Pulse Width
Modulation) for Q0.1
PTO1/PWM1 update the cycle time or frequency value: FALSE: No up-
date; TRUE: Write new cycle time/frequency
PWM1 update the pulse width value: FALSE: No update; TRUE: Write
new pulse width
PTO1 update the pulse count value: FALSE: No update; TRUE: Write
new pulse count
PWM1 time base: FALSE: 1 μs/tick, TRUE: 1 ms/tick
Reserved
PTO1 select single/multiple segment operation: FALSE: Single; TRUE:
Multiple
PTO1/PWM1 mode select: FALSE: PWM; TRUE: PTO
PTO1/PWM1 enable: FALSE: Disable; TRUE: Enable
Word data type: PWM1 cycle time value (2 to 65,535 units of time base);
PTO1 frequency value (1 to 65,535 Hz)
Word data type: PWM1 pulse width value (0 to 65,535 units of time base)
Double Word data type: PTO1 pulse count value (1 to 2,147,483,647)
Byte data type: The currently executing segment number for PTO1's
profile
Word data type: Starting location of PTO1's profile table (byte offset from
V0)
817

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