Siemens SIMATIC ST-1500 Function Manual page 187

Using the module
5.1 Using the technology module
Byte offset from Parameter
start address
8 LD_SLOT_1*
9 EN_CAPTURE
EN_SYNC_DN
EN_SYNC_UP
SET_DQ1
SET_DQ0
TM_CTRL_DQ1
TM_CTRL_DQ0
SW_GATE
10 SET_DIR
–
RES_EVENT
RES_ERROR
11 –
* If values are loaded simultaneously via LD_SLOT_0 and LD_SLOT_1, the first value is taken internally from Slot 0 and
then the value from Slot 1 is taken. This may lead to unexpected intermediate states.
186
Meaning
Specifies the significance of the value in Slot 1
Bit 7 Bit 6 Bit 5 Bit 4
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
1 0 0 0
to
1 1 1 1
Bit 7: Capture function enable
Bit 6: Enable downward synchronization (with incremental or pulse encoder)
Bit 5: Enable upward synchronization (with incremental or pulse encoder)
Bit 4: Set DQ1
Bit 3: Set DQ0
Bit 2: enable technological function DQ1
Bit 1: Enable technological function DQ0
Bit 0: Software gate (with incremental or pulse encoder)
Bit 7: Count direction (for encoders without direction signal)
Bits 2 to 6: Reserve; bits must be set to 0
Bit 1: Reset of saved events
Bit 0: Reset of saved error states
Bits 0 to 7: Reserve; bits must be set to 0
No action, idle
Load count value (with incremental or pulse
encoder)
Invalid
Load start value (with incremental or pulse
encoder)
Load comparison value 0
Load comparison value 1
Load low counting limit (with incremental or
pulse encoder)
Load high counting limit (with incremental or
pulse encoder)
Invalid
Counting, measurement and position detection
Function Manual, 12/2017, A5E32009889-AG