Logic function
Result
NAND
0
NOR
1
XNOR
1
An input that is “Not Used” is not actually removed but instead replaced with a value
that does not change the result, i.e. 1 for AND and NAND, otherwise 0.
The XOR function is not generally defined for more than two inputs.
The following definitions were selected for the FlexChain implementation:
Eingänge
Ausgänge
IN1
IN2 NXOR
IN3
XOR
NXOR
0
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
0
1
1
1
0
1
0
0
0
0
1
0
1
1
0
1
1
0
1
0
1
1
1
0
1
0
0
0
0
1
0
0
1
1
1
0
1
0
1
1
0
1
1
0
1
1
0
0
1
1
1
0
1
0
1
1
1
0
0
1
1
1
1
1
7.1.5
PINS
The PINS tab can be used to configure which information is assigned to, or should be
outputted for a pin.
Possible output signals
1
Qint
Outputs the Qint statuses of the zones
2
Logic
Outputs the configured logics
3
Masked System Status
A system status bit. You can configure when, and for which warnings and error
messages this signal should be high.
Possible input signals
1
Teach-In Trigger
For performing an external teach-in.
2
Logic In
The input signal can be used for the logics.
3
Blocked Channel Hold
While this signal is high, the process data are stored in the host. When the signal
becomes low, the highest value (e.g., largest measured height) is transmitted.
7
OPERATION
28
O P E R A T I N G I N S T R U C T I O N S | FlexChain
8023047/2018-11-15 | SICK
Subject to change without notice