Siemens SIMATIC ET 200SP - Page 187

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