The status word in the input area has the following structure:
Bit Name Function
0 COUNT_LTCH
n 0: V
alue in the input image is counter
value
n 1: Value in the input image is latch value
1 CTRL_C_DO Is set when the digital output is enabled.
2 STS_SW_GATE
n 0: Software gate (SW gate) is not active
n 1: Software gate (SW gate) is active
3 reserved reserved
4 STS_HW_GATE
n 0: Hardware gate (HW gate) is not active
n 1: Hardware gate (HW gate) is active
5 STS_I_GATE
n 0: Internal gate (I gate) is not active
n 1: Internal gate (I gate) is active
6 STS_DO
n 0: Counter output (DO) = "0"
n 1: Counter output (DO) = "1"
7 STS_C_DN Is set at counter direction backwards.
8 STS_C_UP Is set at counter direction forward.
9 STS_CMP* Is set when counter value = comparison
value. If comparison is parametrized never
,
the bit is never set.
10 STS_END* Is set when counter value = end value.
11 STS_OFLW* Is set at overflow.
12 STS_UFLW* Is set at underflow.
13 STS_ZP* Is set at zero-crossing.
14 STS_L
n 0: Latch input is not active
n 1: Latch input is active
15 NEW_L Is set if value in the latch register has
changed.
*) The bits remain set until reset with RES_STS (output status: bit 6).
After setting a bit in the output status word this is immediately reset.
Please regard that setting and resetting of a function at the output
status word takes place with dif
ferent bits.
The status word in the output area has the following structure:
Bit Name Function
0 GET_C_VAL By setting the current counter value is trans-
ferred to the process image.
1 SET_C_DO By setting the digital output (DO) is enabled
for the counter
. Then the output may only be
controlled by the counter.
ISTS_
X
Input status
OSTS_
X
Output status
word
VIPA System 300S Deployment I/O periphery
Counter - In-/output area
HB140 | CPU | 314-6CF03 | GB | 16-43 151
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