Siemens Simatic S7-1500 CPU 1512C-1 PN - Page 184

Parameter data records
B.7 Parameter data records of the high-speed counters
CPU 1512C-1 PN (6ES7512-1CK01-0AB0)
184 Manual, 12/2017, A5E40898741-AA
Table B- 19 Parameter data record 128 - Behavior DI1
Bit →
7
6
5
4
3
2
1
0
Byte
Values
20-23
High counting limit:
DWORD: Value range: –2147483648 to 2147483647
D
or 80000000 to 7FFFFFFF
H
24-27
Comparison value 0:
Counting mode: DWORD Value range: –2147483648 to 2147483647
D
or 80000000 to 7FFFFFFF
H
;
Measuring mode: REAL Floating-point number in the set unit of the measured variable
28-31
Comparison value 1:
Counting mode: DWORD Value range: –2147483648 to 2147483647
D
: or 80000000 to 7FFFFFFF
H
;
Measuring mode: REAL Floating-point number in the set unit of the measured variable
32-35
Start value:
DWORD: Value range: –2147483648 to 2147483647
D
or 80000000 to 7FFFFFFF
H
36-39
Low counting limit:
DWORD: Value range: –2147483648 to 2147483647
D
or 80000000 to 7FFFFFFF
H
40-43
Update time:
DWORD: Value range in μs: 0 to 25000000
D
Table B- 20 Parameter data record 128 - Counter behavior at limits and at gate start
Bit →
7
6
5
4
3
2
1
0
Byte
Counter behavior at limits and at gate start
44
Response to gate start:
Response to counting limit violation:
Reset at counting limit violation:
00
B
: Set to start value
000
B
: Stop counting
000
B
: To other counting limit
01
B
: Continue with current
value
001
B
: Continue counting 001
B
: On start value
10 to 11
B
: Reserved
010 to 111
B
: Reserved
010 to 111
B
: Reserved
Table B- 21 Parameter data record 128 - Specify measured value
Bit →
7
6
5
4
3
2
1
0
Byte
Specify measured value
45
Reserved = 0
1)
Time base for velocity measurement: Measured variable:
000
B
: 1 ms
00
B
: Frequency
001
B
: 10 ms
01
B
: Period duration
010
B
: 100 ms
10
B
: Velocity
011
B
: 1 s
11
B
: Reserved
100
B
: 60 s/1 min
101 to 111
B
: Reserved
46
Increments per unit:
WORD: Value range: 1 to 65535
D
47