Siemens SIMATIC S7-300 FM 350-1, Manual

Page: 56 / 198

Programming the FM 350-1
5.7 Programming FM 350-1 without FCs
FM 350-1 Counter module
56
Manual, 05/2011, A5E03648639-01
Offset to the start
address Parameters Meaning
Byte 14 –
–
–
–
SET_DO1
SET_DO0
CTRL_DO1
CTRL_DO0 Bit 7: Reserve = 0
Bit 6: Reserve = 0
Bit 5: Reserve = 0
Bit 4: Reserve = 0
Bit 3: Control bit DO1
Bit 2: Control bit DO0
Bit 1: Enable DO1
Bit 0: Enable DO0
Byte 15 –
C_DOPARA
1)
RES_ZERO
RES_SYNC
T_CMP_V2
2)
T_CMP_V1
2)
L_PREPAR
2)
L_DIRECT
2)
Bit 7: Reserve = 0
Bit 6: Change function of DO0/DO1, hysteresis or pulse duration
Bit 5: Status bits of zero transition, overflow, underflow and 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
1)
Do not set this bit at the same time as bits 0, 1, 2 or 3 of byte 15.
2)
Do not set this bit at the same time as bit 6 of byte 15.