Siemens SIMATIC S7-300 FM 350-1 Manual page 59

Offset to the start Parameters
address
Byte 14 STS_COMP2
STS_COMP1
STS_CMP2
STS_CMP1
STS_STP
STS_STA
STS_LATCH
STS_SET
Byte 15 –
STS_C_DOPARA
STS_RES_ZERO
STS_RES_SYNC
STS_T_CMP_V2
STS_T_CMP_V1
STS_L_PREPAR
STS_L_DIRECT
FM 350-1 Counter module
Manual, 05/2011, A5E03648639-01
Meaning
Bit 7: Latched state of comparator 2
Bit 6: Latched state of comparator 1
Bit 5: Status at output DO1
Bit 4: Status at output DO0
Bit 3: Status at digital input DI-Stop
Bit 2: Status at digital input DI-Start
Bit 1: New latch value for isochronous mode
Bit 0: Status at digital input DI-Set
Bit 7: Reserve = 0
Bit 6: Change function of DO0/DO1, hysteresis or pulse duration
Bit 5: Status bit of zero transition, overflow, underflow or comparator
Resetting
Bit 4: Reset synchronization status bit
Bit 3: Load comparison value 2
Bit 2: Load comparison value 1
Bit 1: Load counter in preparation
Bit 0: Direct and preparatory loading of counter
Programming the FM 350-1
5.7 Programming FM 350-1 without FCs
59