Siemens SIMATIC S7-300 FM 350-1 Manual page 55

Offset to the start Parameters
address
Byte 1
Byte 2
Byte 3
Bytes 4 to 7 CMP_V1
Bytes 8 to 11 CMP_V2
Byte 12 –
NEUSTQ
–
–
OT_ERR_A
–
–
–
Byte 13 –
–
–
–
SW_GATE
GATE_STP
ENSET_DN
ENSET_UP
FM 350-1 Counter module
Manual, 05/2011, A5E03648639-01
Meaning
x = irrelevant
Bit 7 Bit 6 Bit 5 Bit 4
x 0 0 0
x 0 0 1
x 0 1 0
x 0 1 1
x 1 0 0
x 1 0 1
x 1 1 0
x = irrelevant
Hysteresis (range of values 0 to 255)
Pulse duration (range of values 0 to 250)
Reserve = 0
Comparison value 1; load with bit:T_CMP_V1
Comparison value 2; load with bit T_CMP_V2
Bit 7: Reserve = 0
Bit 6: Restart acknowledgement
Bit 5: Reserve = 0
Bit 4: Reserve = 0
Bit 3: Operator error acknowledgement
Bit 2: Reserve = 0
Bit 1: Reserve = 0
Bit 0: Reserve = 0
Bit 7: Reserve = 0
Bit 6: Reserve = 0
Bit 5: Reserve = 0
Bit 4: Reserve = 0
Bit 3: SW gate control bit
Bit 2: General gate stop
Bit 1: Enable synchronization down
Bit 0: Enable synchronization up
Programming the FM 350-1
5.7 Programming FM 350-1 without FCs
Reaction of output DO1
Inactive
Active within the range from comparison value
to overflow
Active within the range from comparison value
to underflow
Active on reaching the comparison value for
pulse duration (up/down)
Active on reaching the comparison value of the
up count pulse width
Active on reaching the comparison value of the
down count pulse width
Switch to Comparison Value
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