Checkback Interface For Count Modes - Siemens SIMATIC S7-300 FM 350-1 Manual

Programming the FM 350-1
5.7 Programming FM 350-1 without FCs
5.7.2

Checkback interface for count modes

Checkback interface for count modes
Table 5- 14 Checkback interface for count modes (inputs)
Offset to the start Parameters
address
Bytes 0 to 3 LATCH_LOAD
Bytes 4 to 7 ACT_CNTV
Bytes 8 to 9 DA_ERR_W
Byte 10 OT_ERR_B
Byte 11 PARA
FM_NEUST
FM_NEUSTQ
DATA_ERR
OT_ERR
DIAG
–
–
Byte 12
Byte 13 STS_SW_GATE
STS_GATE
STS_SYNC
STS_UFLW
STS_OFLW
STS_ZERO
STS_DIR
STS_RUN
58
Meaning
Load value which can be returned, or stored counter value for the latch function
at the digital input
Counter value
Data error
Operator error
Bit 7: Parameter assignment done
Bit 6: Restart request
Bit 5: Restart acknowledgement done
Bit 4: Data error
Bit 3: Operator error
Bit 2: Diagnostics event
Bit 1: –
Bit 0: –
Bit 7: Reserve = 0
Bit 6: Reserve = 0
Bit 5: Reserve = 0
Bit 4: Reserve = 0
Bit 3: Reserve = 0
Bit 2: Reserve = 0
Bit 1: Reserve = 0
Bit 0: Reserve = 0
Bit 7: SW gate status
Bit 6: Gate status
Bit 5: Synchronization
Bit 4: Underflow
Bit 3: Overflow
Bit 2: Zero transition
Bit 1: Direction bit
Bit 0: Counter active
FM 350-1 Counter module
Manual, 05/2011, A5E03648639-01