4
5 Operating and display elements
3
1
2
4
3
1
2
4
Example DF11xx supply module
1: panel for labelling
2: push-in terminals switching output 13/14
3: push-in terminal 0 V
4: push-in terminal 24 V DC
Example DF12xx circuit protection module
1: panel for labelling
2: ON/OFF/reset button and status LED
(channel 2)
3: ON/OFF/reset button and status LED
(channel 1)
4: push-in terminals outputs 1/2
5.1 DF12xx circuit protection modules
The different operating states of the circuit protection modules are indicated by
LEDs.
—
off
missing operating voltage,
error in initialisation or
channel switched off via button
off
Green
on
channel switched on, no fault
on
Green/
orange
flashing
load current limit reached
on
Orange on
overload or short circuit until discon-
nection
on
channel switched off
off
Red
on
triggering via short circuit or overload
off
undervoltage in ON status with auto-
matic switching on again