Siemens Simatic S7-1500 CPU 1512C-1 PN - Page 183

Parameter data records
B.7 Parameter data records of the high-speed counters
CPU 1512C-1 PN (6ES7512-1CK01-0AB0)
Manual, 12/2017, A5E40898741-AA
183
Bit →
7
6
5
4
3
2
1
0
Byte
12
Pulse duration (DQ0):
WORD: Value range in ms/10: 0 to 65535
D
13
14
Pulse duration (DQ1):
WORD: Value range in ms/10: 0 to 65535
D
15
1)
Reserved bits must be set to 0
Table B- 17 Parameter data record 128 - Behavior DI0
Bit →
7
6
5
4
3
2
1
0
Byte
Behavior of DI0
16
Behavior of
count value
after Cap-
ture (DI0):
Edge selection (DI0):
Level selec-
tion (DI0):
Reserved =
0
1)
Set function of the DI (DI0):
00
B
: Reserved
000
B
: Gate start/stop (level-triggered)
01
B
: On a rising edge
0
B
: Active at
high level
001
B
: Gate start (edge-triggered)
10
B
: On a falling edge
010
B
: Gate stop (edge-triggered)
0
B
: Contin-
ue counting
11
B
: On rising and falling
edge
1
B
: Active at
low level
011
B
: Synchronization
100
B
: Enable synchronization at signal N
1
B
: Set to
start value
and contin-
ue counting
101
B
: Capture
110
B
: Digital input without function
111
B
: Reserved
1)
Reserved bits must be set to 0
Table B- 18 Parameter data record 128 - Behavior DI1
Bit →
7
6
5
4
3
2
1
0
Byte
17
Behavior of DI1
:
See byte 16
18
Reserved = 0
1)
19
Sync option
Reserved = 0
1)
Reserved = 0
1)
0
B
: Once
1
B
: Periodi-
cally
1)
Reserved bits must be set to 0