Instruction Manual

III-19 Additional functions
III-19.1 LED (LED display (No. 123))
Function LED is used for control of the 4 LEDs. It is firmly allocated to block number 96 and is calculated in each time
slot. The statuses of digital inputs d1 ...d4 are output to LED 1...4. The statuses can be inverted via pa-
rameter Inv.
Inputs:
Input Description
d1
LED 1
d2
LED 2
d3
LED 3
d4
LED 4
Parameters:
Parameter Description Range Default
Inv 1 Inv1= 0 = d1=1 LED1 is lit Inv1 = 1 = d1= 0 LED1 is lit
0...1 0
Inv 2 Inv2= 0 = d2=1 LED2 is lit Inv2 = 1 = d2= 0 LED2 is lit
0...1 0
Inv 3 Inv3= 0 = d3=1 LED3 is lit Inv3 = 1 = d3= 0 LED3 is lit
0...1 0
Inv 4 Inv4= 0 = d4=1 LED4 is lit Inv4 = 1 = d4= 0 LED4 is lit
0...1 0
Example:
If a simple flashing function is to be produced, this is possible with the following example.
The sampling-time period code of the NOT-function indicates the flash frequency.
9499-040-82711 Additional functions
LED (LED display (No. 123)) III-290
d1
d2
d3
d4
Inv1
Inv2
Inv3
Inv4
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¬
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LED 1
LED2
LED3
LED4