Siemens SIMATIC ET 200SP Manual page 79

Bit →
Bit 7
Byte ↓
6...7
6 Monoflop time
4)
000 : Automatically
B
001 : 16 µs
B
010 : 32 µs
B
011 : 48 µs
B
100 : 64 µs
B
101 to 111 : Invalid
B
7 Parity :
4)
00 : None
B
01 : Even
B
10 : Odd
B
11 : Invalid
B
8...9
8 Reserved Reserved
2)
9 Synchroni- New cap-
zation of the ture value
counter by available
an external
signal
3)
Technology module TM PosInput 1 (6ES7138-6BA00-0BA0)
Manual, 04/2016, A5E33015755-AC
Bit 6 Bit 5
Counter inputs (parameters for SSI absolute encoder)
:
Invert direc-
tion
1)
Reserved
2) 2)
Reserved
2)
Bit 4 Bit 3
Code type: Signal type:
0 : Gray 0000 : Pulse (A)
B B
1 : Dual 0001 : Pulse (A) and direction (B)
B B
0010 : Count up (A), count down (B)
B
0011 : Incremental encoder (A, B phase-shifted)
B
0100 : Incremental encoder (A, B, N)
B
0101 : Absolute encoder (SSI)
B
0110 to 1111
Enable Reserved
2)
diagnostic
interrupt on
wire break
1)
Hardware interrupts
1)
Change of Underflow
direction (low count-
ing limit
violated)
Zero cross- Reserved
2)
ing
Parameter data record
Bit 2 Bit 1
: Invalid
B
Transmission rate :
4)
000 : 125 kHz
B
001 : 250 kHz
B
010 : 500 kHz
B
011 : 1 MHz
B
100 : 1.5 MHz
B
101 : 2 MHz
B
110 to 111 : Invalid
B
Overflow Gate stop
3)
(high count-
ing limit
violated)
Comparison Reserved
2)
event for
DQ1 oc-
curred
Bit 0
Gate start
3)
Comparison
event for
DQ0 oc-
curred
79