# LED Control series10 supports four modes for controlling its LED: - Automatic Scene Selection - Scene controlled by IO-Link-Process Data \* - Advanced Control by IO-Link Process Data \* - Classic Two LED Mode \* If the SENSORswitch is not used with IO-Link, it will behave like with "Automatic Scene selection" mode. The control mode can be selected via IO-Link parameter **LED Control Mode** (see [ISDU Indices](isdu-indices.md)). ## Automatic Scene Selection Number of applicable scenes depends on parameter **Active Inputs**:

Active Inputs	Scenes Used
None (3 pin mode)	0, 1
Pin2 (E1) (4 pin mode)	0 ... 3
Pin2 (E1) and Pin5 (E2) (5 pin mode)	0 ... 7

Scene n is selected depending on the state of touch (sensor actuation) and the state of the input pins E1 and E2:

LED Scene	Touch	E1	E2	None	Pin 2 (E1)	Pin 2 (E1), Pin 5 (E2)
0	0	0	0	✓	✓	✓
1	1	0	0	✓	✓	✓
2	0	1	0		✓	✓
3	1	1	0		✓	✓
4	0	0	1			✓
5	1	0	1			✓
6	0	1	1			✓
7	1	1	1			✓

## Scene Controlled by IO-Link Process Data The active Scene is set according to the **LED Scene** value in IO-Link process data. ## Advanced Control by IO-Link Process Data The LED color, brightness, effect, and effect frequency is controlled by IO-Link process data. ## Classic Two LED Mode "Idle" and "Touch" parameters of "Classic LED Control" section are used. The **Active Inputs** parameter controls whether the input pins affect the selection of "Idle" or "Touch" configuration: ### Active Inputs = None (3 pin mode)

Touch	E1	E2	LED Configuration
0	Not relevant	Not relevant	Idle
1	Not relevant	Not relevant	Touch

### Active Inputs = Pin2 (E1) (4 pin mode)

Touch	E1	E2	LED Configuration
0	0	Not relevant	off
0	1	Not relevant	Idle
1	Not relevant	Not relevant	Touch

### Active Inputs = Pin2 (E1) and Pin5 (E2) (5 pin mode)

Touch	E1	E2	LED Configuration
Not relevant	0	0	off
Not relevant	1	0	Idle
Not relevant	0	1	Touch
Not relevant	1	1	Idle & Touch colors mixed