background image

Installation and Operational Instructions for

 

ROBA

®

-brake-checker plus DC Type 028.600.2 

(B.0286002.EN)

your reliable partner

02/10/2018 TF/GF

Page 5 of 10

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: 

[email protected]

55

Inputs

Outputs

F/S

14

0 VDC (low)

Slow switch off (SLOW)

24 VDC (high) 

1)

Fast switch off (FAST)

START

13

0 VDC (low)

Brake is not energised

24 VDC (high)

Brake is energised

IN

11

0 VDC (low)

Armature disk condition recognition activated

24 VDC (high)

Armature disk condition recognition deactivated

RST

12

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)

t

t

U

OUT

U

I

ERR

RST

t

R

t

B

t

C

t

P

OUT

16

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.

ERR

15

24 VDC (high)

No errors

0 VDC (low)

Brake does not open or close, line interruption, false detection

Warning 

1)

Preventative function monitoring (Wear recognition and error 

recognition)

1)  Rectangular signal 10 Hz

All inputs without assignment (not connected) have the condition 

0 VDC (low)

55

Summary of Contents for ROBA-brake-checker plus DC 028.600.2

Page 1: ...duct until you have ensured that the machine accords with the regulations stated in the directive Guidelines on the ATEX Directive Without a conformity evaluation this product is not suitable for use in areas where there is a high danger of explosion For application of this product in areas where there is a high danger of explosion it must be classified and marked according to Directive 2014 34 EU...

Page 2: ... possible that the signal and error outputs do not correspond to the expected state plausibility Dimensions mm CAUTION The ROBA brake checker with integrated DC side disconnection is not suitable for being the only safety disconnection in applications 66 48 4 61 89 4 5 6 31 5 19 3 36 5 22 8 6 42 3 20 96 Ø3 Ø3 5 20 Application ROBA brake checker plus DC monitoring modules are used to supply permitt...

Page 3: ...tening torque for screws 0 4 Nm Ambient temperature C 25 to 70 Storage temperature C 40 to 105 Conformity markings Protection IP20 Installation conditions The installation position can be user defined Please ensure sufficient heat dissipation and air convection Do not install near to sources of intense heat Preventative function monitoring Through the monitoring of different parameters the ROBA br...

Page 4: ...voltage 5 Contact 1 External fast switch off 6 Contact 2 External fast switch off Electrical Connection Control terminal 11 IN Mode Input IN 12 Reset Input RST 13 Start input START 14 Fast slow Input F S 15 Error output max 100 mA ERR 16 Signal output max 100 mA OUT PLC IN OUT 24VDC 1 2 3 4 5 6 11 12 13 14 15 16 PLC IN OUT 24VDC 1 2 3 4 5 6 11 12 13 14 15 16 4 5 6 Wiring Example Wiring Example ext...

Page 5: ...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 tB 200 ms Boot time tC 400 ms Calibration time tR 600 ms Reset time tP 10 100 ms Pulse time must be less than 100 ms greater than 10 ms Output t t UOUT UI ERR RST tR tB tC tP OUT 16 0 VDC low Brake is not energised movement of the armature dis...

Page 6: ...t switch off If short engagement times are desired fast switching should be used FAST Here the ROBA brake checker monitoring module limits the switch off voltage to approx 60 VDC DC side disconnection is signalized by the red light emitting diode flashing at the moment of switch off Optional customer side External fast switch off An electrical and secure disconnection of the brake can be guarantee...

Page 7: ... 600 0 50 100 150 200 250 For brakes which do not require overexcitation the holding voltage may be lower than the nominal voltage e g on power reduction to reduce the coil temperature Cycle frequency In order to prevent thermal overload an upper cycle limit must be observed for especially high performance brakes in operation with fast switch off Cycles Minute Braking performance P 24 VDC Device F...

Page 8: ... module must not be exceeded otherwise the coil and the ROBA brake checker monitoring module may fail due to thermal overload U UO UN UH T ton toff tO tN t Calculations P W RMS coil capacity dependent on switching frequency overexcitation and duty cycle P PO x tO PN x tN T PN W Coil nominal capacity catalogue values Type tag PO W Coil capacity on overexcitation PO UO x PN UN PH W Coil capacity at ...

Page 9: ...r reliable partner 02 10 2018 TF GF Page 9 of 10 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 info mayr com 9 9 Functional sequence diagram Start Input Switch off F S Input Output current Warning Fast switch off Slow switch off Error Output volt age Signal Output ERROR Output 9 9 ...

Page 10: ...s not release No supply voltage available Check voltage on input terminal Brake line interrupted Check brake supply line check passage Line voltage drop on long line Check the brake voltage Air gap not okay Check and adjust air gap No signal Brake is not permitted Use released brake Brake is worn Open and clean the brake check the air gap replace the brake if necessary Incorrect input voltage pola...

Reviews: