Siemens SIMATIC S7 - Page 817

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