Phoenix Contact IB IL AO 4/U/0-10-ECO Handleiding (190 Pagina's)

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9.2.3 Indicators in the I/O function area (IN, OUT, IN/OUT)

The LEDs of the I/O function area are electrically located in the logic area.

This may mean that the LED of an output is on but the output cannot be controlled

due to an error between the logic area and the digital output. The LED does not mon-

itor the output state. In the event of an error, the actual output state may differ from

the state indicated by the LED.

Figure 9-7 Indicators on I/O terminals

Status The status of the input or output can be read from the relevant yellow LED:

1

2

3

4

E

I

O

1

2

3

4

I

O

2

1

2

3

4

IO

3

E

1

2

3

4

I

O

4

LN

K

2

ACT1

A

C

T

2

LN

K

1

U

S1

P

W

R

1

US2

UL

U

A

1

UA2

P

W

R

2

1

2

3

4

E

I1

1

2

3

4

I2

1

2

3

4

I3

1

2

3

4

I4

1

2

3

4

E

IO1

1

2

3

4

IO2

1

2

3

4

IO3

E

1

2

3

4

IO4

1

2

3

4

E

I1

1

2

3

4

I2

1

2

3

4

I3

1

2

3

4

I4

2

1

IN/OUT

IN

1, 2,

3, 4

(2)

Yellow LED Status of the input/output

ON: Corresponding input/output set

OFF: Corresponding input/output not set

For terminals with extended diagnostics

E

(1)

Red LED The meaning depends on the module. It is described in the

module-specific data sheet, e.g.,:

Short circuit/overload of a sensor supply

Short circuit at one or more outputs in the group

ON: An error has occurred

OFF: No error

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