KL3448, KL3458 - Product Overview
KL3444, KL3448, KL3454 und KL3458
17
Version: 3.2.0
3.3
KL3448 - Diagnostic LEDs
The eight green Run LEDs indicate the operating states of the terminal channels.
Fig. 7: KL3448 - Diagnostic LEDs
Meaning of the LED displays
LED
Color
Channel
State
on
off
Run 1
green
1
normal operation
A watchdog timer overflow has
occurred. The green LEDs go out if
no process data are transferred
between the controller and the Bus
Coupler for more than 100 ms.
Run 2
2
Run 3
3
Run 4
4
Run 5
5
Run 6
6
Run 7
7
Run 8
8
Содержание KL3444
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