ibaMS4xUCO
Manual
Issue 1.5
15
Important note
When the LED L4 indicates a failure, please contact the iba Support.
7.2.2
Counter inputs / digital outputs
L30…L45
4 LEDs belong to each channel. A LED can be green, red, yellow or off.
The LEDs 1, 2 and 3 (from left to right) indicate the status of the A, B and N input, LED 4
indicates the status of the digital output.
Status
Counter inputs
Status*
Digital outputs
Off
Green
Yellow
Red
no signal, logical 0 /
rotary encoder mode
„0: deactivated“
signal ok, logical 1
signal not used
channel failure
Off
Green
Yellow
no signal, logical 0
signal ok, logical 1
Load voltage is missing (per channel
root) or overcurrent (channel root
switched off)
*If an output is deactivated with ibaPDA, the corresponding LED remains off.
7.2.3
Digital inputs L10
…L17
The green LEDs show if the digital input is active or not.
LED
Status
Description
L10
… L17
Off
On
No signal, logical 0
Signal ok, logical 1
