KTR-STOP
®
M-A-F B-xx
Operating/Assembly instructions
KTR-N
Sheet:
Edition:
445145 EN
22 of 23
1
Please observe protection
note ISO 16016.
Drawn:
2022-12-20 Ka/Wie
Replacing:
Verified:
2022-12-21 Ka
Replaced by:
Operation of sensor
There are two micro switches in the housing of the
sensor. The spacer pin activates the switches in two
different positions.
Illustration 22:
State/wear sensor
Table 4:
Switching status of pre- (switch S1) and end wear switch (switch S2) depending on the
activating status of the brake.
Status of brake
Condition of
brake pad
Switch S1
Switch S2
Illustration 23: Switch position
1 - 4
1)
2 - 3
2)
2 - 5
2)
Sensor not
mounted
-
0
0
1
Brake not acti-
vated (unlocked)
-
1
1
0
Brake activated
(locked)
No wear
1
1
0
Pre-wear
0
1
0
End wear
0
0
1
1) Condition of brake
on
= no wear
off
= pre-wear
2) Switch position
0
= unlocked
1
= locked
The sensor only shows the wear status reliably when the brake is activated (locked). If the brake is not activated
(unlocked), a statement about the condition of wear cannot be given.
The wear of the brake pad is only measured when the brake is activated. When the brake is
not activated, there is no signal.
"Pre-wear" is indicated as soon as the brake pad has worn off so that the brake pads need
to be replaced.
!
The brake pad needs to be replaced immediately if the signal indicating the status „end
wear“ is displayed. Please note chapter 5.1 Replacement of brake pads.
Fail-safe operation
A proper operating condition is only ensured if the state/wear sensor is wired properly. This provides a signal
since a switch (NO) is locked which is normally unlocked.
!
In case of damages like, for example, faulty cables, bad connections, etc. the signals need
to disappear.
6
Accessories - Sensor
6.1
Technical Data „State/wear sensor“
