Installation and Operational Instructions for
ROBA
®
-brake-checker plus DC Type 028.700.2
(B.0287002.EN)
your reliable partner
25/02/2022 HH/GF
Page 7 of 11
Chr. Mayr GmbH + Co. KG
Eichenstraße 1, D-87665 Mauerstetten, Germany
Tel.: +49 8341 804-0, Fax: +49 8341 804-421
www.mayr.com
, E-Mail:
77
Inputs
Outputs
F/S
13
0 VDC (low)
Slow switch off (SLOW)
24 VDC (high)
Fast switch off (FAST)
Start
14
0 VDC (low)
Brake is not energised
24 VDC (high)
Brake is energised
Digital IN
12
0 VDC (low)
Armature disk condition recognition activated
24 VDC (high)
Armature disk condition recognition deactivated
Reset
11
0 VDC (low)
Deactivated
On activating the reset procedure, the ROBA
®
-brakechecker
restarts, and as a result, all pending signals (ERROR) are
deleted.
24 VDC (high)
Activated
t
B
= 200 ms (Boot time)
t
C
= 400 ms (Calibration time)
t
R
= 600 ms (Reset time)
t
P
= 10 < 100 ms (Pulse time
must be less than 100
ms, greater than 10 ms)
(Output)
• All inputs without assignment (not connected) have the condition
0 VDC (low).
• All inputs 24 VDC (high) have a current consumption of approx. 2.25 µA.
Outputs
Signal
18*
0 VDC (low)
Brake is not energised, movement of the armature disk for
closing the brake.
24 VDC (high)
Brake energised, movement of the armature disk for opening
the brake.
Error
17*
24 VDC (high)
no errors
0 VDC (low)
Brake does not open or close, line interruption, false detec-
tion
Attention! Output voltage -
Warn
16*
24 VDC (high)
No warning
0 VDC (low)
Warning (function is no longer permanently guaranteed)
*) Maximum 100 mA
t
t
U
OUT
U
I
Erorr
Reset
t
R
t
B
t
C
t
P
77
