Siemens Simatic S7-1500 CPU 1512C-1 PN - Page 181

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
181
Table B- 13 Parameter data record 128 - Basic parameters
Bit →
7
6
5
4
3
2
1
0
Byte
Basic parameters
5
Reserved = 0
1)
Enable
additional
diagnostic
interrupts
2)
Reaction to CPU STOP:
00
B
: Output substitute
value
01
B
: Keep last value
10
B
: Continue operation
11
B
: Reserved
1)
Reserved bits must be set to 0
2)
Must be set to 1 for the activation of the diagnostic interrupts "Missing supply voltage L+, "Illegal A/B signal ratio" and
"Hardware interrupt lost"
Table B- 14 Parameter data record 128 - Counter inputs
Bit →
7
6
5
4
3
2
1
0
Byte
Counter inputs
6
Reserved = 0
1)
Signal evaluation:
Signal type:
00
B
: Single
0000
B
: Pulse (A)
01
B
: Double
0001
B
: Pulse (A) and direction (B)
10
B
: Quadruple
0010
B
: Count up (A), count down (B)
11
B
: Reserved
0011
B
: Incremental encoder (A, B phase-shifted)
0100
B
: Incremental encoder (A, B, N)
0101 to 1111
B
: Reserved
7
Reaction to signal N:
Invert direc-
tion
Reserved =
0
1)
Filter frequency
00
B
: No reaction to sig-
nal N
0000
B
: 100 Hz
0001
B
: 200 Hz
01
B
: Synchronization at
signal N
0010
B
: 500 Hz
0011
B
: 1 kHz
10
B
: Capture at signal N 0100
B
: 2 kHz
11
B
: Reserved
0101
B
: 5 kHz
0110
B
: 10 kHz
0111
B
: 20 kHz
1000
B
: 50 kHz
1001
B
: 100 kHz
1010
B
: Reserved
1011 to 1111
B
: Reserved
1)
Reserved bits must be set to 0